AutoValueTest.java (revision 1c2bbba85eccddce6de79cbbf1645fda32e723f0) - OpenGrok cross reference for /aosp_15_r20/external/auto/value/src/it/functional/src/test/java/com/google/auto/value/AutoValueTest.java

/*
 * Copyright 2012 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.auto.value;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import com.google.common.base.MoreObjects;
import com.google.common.collect.ComparisonChain;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedMap;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.ImmutableTable;
import com.google.common.collect.Ordering;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.SerializableTester;
import java.io.ObjectStreamClass;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.math.BigInteger;
import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.NavigableSet;
import java.util.NoSuchElementException;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import javax.annotation.Nullable;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** @author [email protected] (Éamonn McManus) */
@RunWith(JUnit4.class)
@SuppressWarnings({"AutoValueImmutableFields", "AutoValueFinalMethods", "TypeNameShadowing"})
public class AutoValueTest {
  private static boolean omitIdentifiers;

  @BeforeClass
  public static void initOmitIdentifiers() {
    omitIdentifiers = System.getProperty("OmitIdentifiers") != null;
  }

  @AutoValue
  abstract static class Simple {
    public abstract String publicString();

    protected abstract int protectedInt();

    abstract Map<String, Long> packageMap();

    public static Simple create(String s, int i, Map<String, Long> m) {
      return new AutoValue_AutoValueTest_Simple(s, i, m);
    }
  }

  @Test
  public void testSimple() throws Exception {
    Simple instance1a = Simple.create("example", 23, ImmutableMap.of("twenty-three", 23L));
    Simple instance1b = Simple.create("example", 23, ImmutableMap.of("twenty-three", 23L));
    Simple instance2 = Simple.create("", 0, ImmutableMap.<String, Long>of());
    assertEquals("example", instance1a.publicString());
    assertEquals(23, instance1a.protectedInt());
    assertEquals(ImmutableMap.of("twenty-three", 23L), instance1a.packageMap());
    MoreObjects.ToStringHelper toStringHelper = MoreObjects.toStringHelper(Simple.class);
    toStringHelper.add("publicString", "example");
    toStringHelper.add("protectedInt", 23);
    toStringHelper.add("packageMap", ImmutableMap.of("twenty-three", 23L));
    String expectedString =
        omitIdentifiers ? "{example, 23, {twenty-three=23}}" : toStringHelper.toString();
    assertThat(instance1a.toString()).isEqualTo(expectedString);
    new EqualsTester()
        .addEqualityGroup(instance1a, instance1b)
        .addEqualityGroup(instance2)
        .testEquals();
  }

  @AutoValue
  abstract static class Empty {
    public static Empty create() {
      return new AutoValue_AutoValueTest_Empty();
    }
  }

  @Test
  public void testEmpty() throws Exception {
    Empty instance = Empty.create();
    String expectedString = omitIdentifiers ? "{}" : "Empty{}";
    assertThat(instance.toString()).isEqualTo(expectedString);
    assertEquals(instance, instance);
    assertEquals(instance, Empty.create());
  }

  @AutoValue
  abstract static class SimpleWithGetters {
    abstract int getFoo();

    abstract boolean isBar();

    abstract boolean getOtherBar();

    abstract String getPackage(); // package is a reserved word

    abstract String getPackage0();

    abstract String getHTMLPage();

    static SimpleWithGetters create(
        int foo, boolean bar, boolean otherBar, String pkg, String pkg0, String htmlPage) {
      return new AutoValue_AutoValueTest_SimpleWithGetters(foo, bar, otherBar, pkg, pkg0, htmlPage);
    }
  }

  @Test
  public void testGetters() {
    SimpleWithGetters instance = SimpleWithGetters.create(23, true, false, "foo", "bar", "<html>");
    String expectedString =
        omitIdentifiers
            ? "{23, true, false, foo, bar, <html>}"
            : "SimpleWithGetters{"
                + "foo=23, bar=true, otherBar=false, package=foo, package0=bar, HTMLPage=<html>}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class NotAllGetters {
    abstract int getFoo();

    abstract boolean bar();

    static NotAllGetters create(int foo, boolean bar) {
      return new AutoValue_AutoValueTest_NotAllGetters(foo, bar);
    }
  }

  @Test
  public void testNotGetters() {
    NotAllGetters instance = NotAllGetters.create(23, true);
    String expectedString = omitIdentifiers ? "{23, true}" : "NotAllGetters{getFoo=23, bar=true}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class StrangeGetters {
    abstract int get1st();

    abstract int get_1st(); // by default we'll use _1st where identifiers are needed, so foil that.

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder set1st(int x);

      abstract Builder set_1st(int x);

      abstract StrangeGetters build();
    }

    static Builder builder() {
      return new AutoValue_AutoValueTest_StrangeGetters.Builder();
    }
  }

  @Test
  public void testStrangeGetters() {
    StrangeGetters instance = StrangeGetters.builder().set1st(17).set_1st(23).build();
    String expectedString = omitIdentifiers ? "{17, 23}" : "StrangeGetters{1st=17, _1st=23}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class GettersAndConcreteNonGetters {
    abstract int getFoo();

    @SuppressWarnings("mutable")
    abstract byte[] getBytes();

    boolean hasNoBytes() {
      return getBytes().length == 0;
    }

    static GettersAndConcreteNonGetters create(int foo, byte[] bytes) {
      return new AutoValue_AutoValueTest_GettersAndConcreteNonGetters(foo, bytes);
    }
  }

  @Test
  public void testGettersAndConcreteNonGetters() {
    GettersAndConcreteNonGetters instance = GettersAndConcreteNonGetters.create(23, new byte[] {1});
    assertFalse(instance.hasNoBytes());
    String expectedString =
        omitIdentifiers ? "{23, [1]}" : "GettersAndConcreteNonGetters{foo=23, bytes=[1]}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class ClassProperty {
    abstract Class<?> theClass();

    static ClassProperty create(Class<?> theClass) {
      return new AutoValue_AutoValueTest_ClassProperty(theClass);
    }
  }

  @Test
  public void testClassProperty() {
    ClassProperty instance = ClassProperty.create(Thread.class);
    assertThat(instance.theClass()).isEqualTo(Thread.class);

    try {
      ClassProperty.create(null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  @AutoValue
  abstract static class ClassPropertyWithBuilder {
    abstract Class<? extends Number> numberClass();

    static Builder builder() {
      return new AutoValue_AutoValueTest_ClassPropertyWithBuilder.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setNumberClass(Class<? extends Number> x);

      abstract ClassPropertyWithBuilder build();
    }
  }

  @Test
  public void testClassPropertyWithBuilder() {
    ClassPropertyWithBuilder instance =
        ClassPropertyWithBuilder.builder().setNumberClass(Integer.class).build();
    assertThat(instance.numberClass()).isEqualTo(Integer.class);

    try {
      ClassPropertyWithBuilder.builder().build();
      fail();
    } catch (IllegalStateException expected) {
    }

    try {
      ClassPropertyWithBuilder.builder().setNumberClass(null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  @AutoValue
  public abstract static class Serialize implements Serializable {
    private static final long serialVersionUID = 1L;

    public abstract int integer();

    public abstract String string();

    public abstract BigInteger bigInteger();

    public static Serialize create(int integer, String string, BigInteger bigInteger) {
      return new AutoValue_AutoValueTest_Serialize(integer, string, bigInteger);
    }
  }

  @Test
  public void testSerialize() throws Exception {
    Serialize instance = Serialize.create(23, "23", BigInteger.valueOf(23));
    assertEquals(instance, SerializableTester.reserialize(instance));
  }

  @AutoValue
  public abstract static class SerializeWithVersionUID implements Serializable {
    private static final long serialVersionUID = 4294967297L;

    public abstract int integer();

    public abstract String string();

    public static SerializeWithVersionUID create(int integer, String string) {
      return new AutoValue_AutoValueTest_SerializeWithVersionUID(integer, string);
    }
  }

  @Test
  public void testSerializeWithVersionUID() throws Exception {
    SerializeWithVersionUID instance = SerializeWithVersionUID.create(23, "23");
    assertEquals(instance, SerializableTester.reserialize(instance));

    long serialVersionUID =
        ObjectStreamClass.lookup(AutoValue_AutoValueTest_SerializeWithVersionUID.class)
            .getSerialVersionUID();
    assertEquals(4294967297L, serialVersionUID);
  }

  @AutoValue
  abstract static class LongProperty {
    public abstract long longProperty();

    public static LongProperty create(long longProperty) {
      return new AutoValue_AutoValueTest_LongProperty(longProperty);
    }
  }

  @Test
  public void testLongHashCode() {
    long longValue = 0x1234567887654321L;
    LongProperty longProperty = LongProperty.create(longValue);
    assertEquals(singlePropertyHash(longValue), longProperty.hashCode());
  }

  @AutoValue
  abstract static class IntProperty {
    public abstract int intProperty();

    public static IntProperty create(int intProperty) {
      return new AutoValue_AutoValueTest_IntProperty(intProperty);
    }
  }

  @Test
  public void testIntHashCode() {
    int intValue = 0x12345678;
    IntProperty intProperty = IntProperty.create(intValue);
    assertEquals(singlePropertyHash(intValue), intProperty.hashCode());
  }

  @AutoValue
  abstract static class ShortProperty {
    public abstract short shortProperty();

    public static ShortProperty create(short shortProperty) {
      return new AutoValue_AutoValueTest_ShortProperty(shortProperty);
    }
  }

  @Test
  public void testShortHashCode() {
    short shortValue = 0x1234;
    ShortProperty shortProperty = ShortProperty.create(shortValue);
    assertEquals(singlePropertyHash(shortValue), shortProperty.hashCode());
  }

  @AutoValue
  abstract static class ByteProperty {
    public abstract byte byteProperty();

    public static ByteProperty create(byte byteProperty) {
      return new AutoValue_AutoValueTest_ByteProperty(byteProperty);
    }
  }

  @Test
  public void testByteHashCode() {
    byte byteValue = 123;
    ByteProperty byteProperty = ByteProperty.create(byteValue);
    assertEquals(singlePropertyHash(byteValue), byteProperty.hashCode());
  }

  @AutoValue
  abstract static class CharProperty {
    public abstract char charProperty();

    public static CharProperty create(char charProperty) {
      return new AutoValue_AutoValueTest_CharProperty(charProperty);
    }
  }

  @Test
  public void testCharHashCode() {
    char charValue = 123;
    CharProperty charProperty = CharProperty.create(charValue);
    assertEquals(singlePropertyHash(charValue), charProperty.hashCode());
  }

  @AutoValue
  abstract static class BooleanProperty {
    public abstract boolean booleanProperty();

    public static BooleanProperty create(boolean booleanProperty) {
      return new AutoValue_AutoValueTest_BooleanProperty(booleanProperty);
    }
  }

  @Test
  public void testBooleanHashCode() {
    for (boolean booleanValue : new boolean[] {false, true}) {
      BooleanProperty booleanProperty = BooleanProperty.create(booleanValue);
      assertEquals(singlePropertyHash(booleanValue), booleanProperty.hashCode());
    }
  }

  @AutoValue
  abstract static class FloatProperty {
    public abstract float floatProperty();

    public static FloatProperty create(float floatProperty) {
      return new AutoValue_AutoValueTest_FloatProperty(floatProperty);
    }
  }

  @Test
  public void testFloatHashCode() {
    float floatValue = 123456f;
    FloatProperty floatProperty = FloatProperty.create(floatValue);
    assertEquals(singlePropertyHash(floatValue), floatProperty.hashCode());
  }

  @AutoValue
  abstract static class DoubleProperty {
    public abstract double doubleProperty();

    public static DoubleProperty create(double doubleProperty) {
      return new AutoValue_AutoValueTest_DoubleProperty(doubleProperty);
    }
  }

  @Test
  public void testDoubleHashCode() {
    double doubleValue = 1234567890123456d;
    DoubleProperty doubleProperty = DoubleProperty.create(doubleValue);
    assertEquals(singlePropertyHash(doubleValue), doubleProperty.hashCode());
  }

  @Test
  public void testFloatingEquality() {
    FloatProperty floatZero = FloatProperty.create(0.0f);
    FloatProperty floatMinusZero = FloatProperty.create(-0.0f);
    FloatProperty floatNaN = FloatProperty.create(Float.NaN);
    DoubleProperty doubleZero = DoubleProperty.create(0.0);
    DoubleProperty doubleMinusZero = DoubleProperty.create(-0.0);
    DoubleProperty doubleNaN = DoubleProperty.create(Double.NaN);
    new EqualsTester()
        .addEqualityGroup(floatZero)
        .addEqualityGroup(floatMinusZero)
        .addEqualityGroup(floatNaN)
        .addEqualityGroup(doubleZero)
        .addEqualityGroup(doubleMinusZero)
        .addEqualityGroup(doubleNaN)
        .testEquals();
  }

  private static int singlePropertyHash(Object property) {
    return 1000003 ^ property.hashCode();
  }

  abstract static class Super {
    public abstract Object superObject();

    public abstract boolean superBoolean();
    // The above two are out of alphabetical order to test EclipseHack.
  }

  @AutoValue
  public abstract static class Sub extends Super {
    public abstract int subInt();

    public static Sub create(Object superObject, boolean superBoolean, int subInt) {
      return new AutoValue_AutoValueTest_Sub(superObject, superBoolean, subInt);
    }
  }

  // The @AutoValue class can inherit abstract methods from its superclass.
  @Test
  public void testSuperclass() throws Exception {
    Sub instance = Sub.create("blim", true, 1729);
    assertEquals("blim", instance.superObject());
    assertTrue(instance.superBoolean());
    assertEquals(1729, instance.subInt());
    assertEquals(instance, instance);
    assertEqualsNullIsFalse(instance);
  }

  abstract static class NonPublicSuper {
    abstract Object superObject();
  }

  // The properties in this subclass are not in alphabetical order, which enables us to test that
  // everything works correctly when Eclipse sorts them into the order
  // [superObject, subInt, subString], since it sorts per class.
  @AutoValue
  abstract static class NonPublicSub extends NonPublicSuper {
    abstract String subString();

    abstract int subInt();

    static NonPublicSub create(Object superObject, String subString, int subInt) {
      return new AutoValue_AutoValueTest_NonPublicSub(superObject, subString, subInt);
    }
  }

  @Test
  public void testNonPublicInheritedGetters() throws Exception {
    NonPublicSub instance = NonPublicSub.create("blim", "blam", 1729);
    assertEquals("blim", instance.superObject());
    assertEquals("blam", instance.subString());
    assertEquals(1729, instance.subInt());
    assertEquals(instance, instance);
    assertEqualsNullIsFalse(instance);
  }

  @SuppressWarnings("ObjectEqualsNull")
  private void assertEqualsNullIsFalse(Object instance) {
    assertFalse(instance.equals(null));
  }

  @AutoValue
  abstract static class NullableProperties {
    @Nullable
    abstract String nullableString();

    abstract int randomInt();

    static NullableProperties create(@Nullable String nullableString, int randomInt) {
      return new AutoValue_AutoValueTest_NullableProperties(nullableString, randomInt);
    }
  }

  @Test
  public void testNullablePropertiesCanBeNull() {
    NullableProperties instance = NullableProperties.create(null, 23);
    assertNull(instance.nullableString());
    assertThat(instance.randomInt()).isEqualTo(23);
    String expectedString =
        omitIdentifiers ? "{null, 23}" : "NullableProperties{nullableString=null, randomInt=23}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoAnnotation
  static Nullable nullable() {
    return new AutoAnnotation_AutoValueTest_nullable();
  }

  @Test
  public void testNullablePropertyConstructorParameterIsNullable() throws NoSuchMethodException {
    Constructor<?> constructor =
        AutoValue_AutoValueTest_NullableProperties.class.getDeclaredConstructor(
            String.class, int.class);
    assertThat(constructor.getParameterAnnotations()[0]).asList().contains(nullable());
  }

  @AutoValue
  abstract static class AlternativeNullableProperties {
    @interface Nullable {}

    @AlternativeNullableProperties.Nullable
    abstract String nullableString();

    abstract int randomInt();

    static AlternativeNullableProperties create(@Nullable String nullableString, int randomInt) {
      return new AutoValue_AutoValueTest_AlternativeNullableProperties(nullableString, randomInt);
    }
  }

  @Test
  public void testNullableCanBeFromElsewhere() throws Exception {
    AlternativeNullableProperties instance = AlternativeNullableProperties.create(null, 23);
    assertNull(instance.nullableString());
    assertThat(instance.randomInt()).isEqualTo(23);
    String expectedString =
        omitIdentifiers
            ? "{null, 23}"
            : "AlternativeNullableProperties{nullableString=null, randomInt=23}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class NonNullableProperties {
    abstract String nonNullableString();

    abstract int randomInt();

    static NonNullableProperties create(String nonNullableString, int randomInt) {
      return new AutoValue_AutoValueTest_NonNullableProperties(nonNullableString, randomInt);
    }
  }

  @Test
  public void testNonNullablePropertiesCannotBeNull() throws Exception {
    try {
      NonNullableProperties.create(null, 23);
      fail("Object creation succeeded but should not have");
    } catch (NullPointerException expected) {
    }
    NonNullableProperties instance = NonNullableProperties.create("nonnull", 23);
    assertEquals("nonnull", instance.nonNullableString());
    assertEquals(23, instance.randomInt());
  }

  @AutoValue
  abstract static class NullableListProperties {
    @Nullable
    abstract ImmutableList<String> nullableStringList();

    static NullableListProperties create(@Nullable ImmutableList<String> nullableStringList) {
      return new AutoValue_AutoValueTest_NullableListProperties(nullableStringList);
    }
  }

  @Test
  public void testNullableListPropertiesCanBeNonNull() {
    NullableListProperties instance = NullableListProperties.create(ImmutableList.of("foo", "bar"));
    assertEquals(ImmutableList.of("foo", "bar"), instance.nullableStringList());
  }

  @Test
  public void testNullableListPropertiesCanBeNull() {
    NullableListProperties instance = NullableListProperties.create(null);
    assertNull(instance.nullableStringList());
  }

  @AutoValue
  abstract static class NullableListPropertiesWithBuilder {
    @Nullable
    abstract ImmutableList<String> nullableStringList();

    static Builder builder() {
      return new AutoValue_AutoValueTest_NullableListPropertiesWithBuilder.Builder();
    }

    @AutoValue.Builder
    interface Builder {
      Builder nullableStringList(List<String> nullableStringList);

      NullableListPropertiesWithBuilder build();
    }
  }

  @Test
  public void testNullableListPropertiesWithBuilderCanBeNonNull() {
    NullableListPropertiesWithBuilder instance =
        NullableListPropertiesWithBuilder.builder()
            .nullableStringList(ImmutableList.of("foo", "bar"))
            .build();
    assertEquals(ImmutableList.of("foo", "bar"), instance.nullableStringList());
  }

  @Test
  public void testNullableListPropertiesWithBuilderCanBeUnset() {
    NullableListPropertiesWithBuilder instance =
        NullableListPropertiesWithBuilder.builder().build();
    assertNull(instance.nullableStringList());
  }

  @Test
  public void testNullableListPropertiesWithBuilderCanBeNull() {
    NullableListPropertiesWithBuilder instance =
        NullableListPropertiesWithBuilder.builder().nullableStringList(null).build();
    assertNull(instance.nullableStringList());
  }

  static class Nested {
    @AutoValue
    abstract static class Doubly {
      @Nullable
      abstract String nullableString();

      abstract int randomInt();

      static Doubly create(String nullableString, int randomInt) {
        return new AutoValue_AutoValueTest_Nested_Doubly(nullableString, randomInt);
      }
    }
  }

  @Test
  public void testDoublyNestedClass() throws Exception {
    Nested.Doubly instance = Nested.Doubly.create(null, 23);
    assertNull(instance.nullableString());
    assertThat(instance.randomInt()).isEqualTo(23);
    String expectedString =
        omitIdentifiers ? "{null, 23}" : "Doubly{nullableString=null, randomInt=23}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  static interface NestedInInterface {
    @AutoValue
    abstract class Doubly {
      abstract String string();

      abstract Map<String, Integer> map();

      static Doubly create(String string, Map<String, Integer> map) {
        return new AutoValue_AutoValueTest_NestedInInterface_Doubly(string, map);
      }
    }
  }

  @Test
  public void testClassNestedInInterface() throws Exception {
    Map<String, Integer> map = ImmutableMap.of("vingt-et-un", 21);
    NestedInInterface.Doubly instance = NestedInInterface.Doubly.create("foo", map);
    assertEquals("foo", instance.string());
    assertEquals(map, instance.map());
  }

  @AutoValue
  abstract static class NullableNonNullable {
    @Nullable
    abstract String nullableString();

    @Nullable
    abstract String otherNullableString();

    abstract String nonNullableString();

    static NullableNonNullable create(
        String nullableString, String otherNullableString, String nonNullableString) {
      return new AutoValue_AutoValueTest_NullableNonNullable(
          nullableString, otherNullableString, nonNullableString);
    }
  }

  @Test
  public void testEqualsWithNullable() throws Exception {
    NullableNonNullable everythingNull =
        NullableNonNullable.create(null, null, "nonNullableString");
    NullableNonNullable somethingNull =
        NullableNonNullable.create(null, "otherNullableString", "nonNullableString");
    NullableNonNullable nothingNull =
        NullableNonNullable.create("nullableString", "otherNullableString", "nonNullableString");
    NullableNonNullable nothingNullAgain =
        NullableNonNullable.create("nullableString", "otherNullableString", "nonNullableString");
    new EqualsTester()
        .addEqualityGroup(everythingNull)
        .addEqualityGroup(somethingNull)
        .addEqualityGroup(nothingNull, nothingNullAgain)
        .testEquals();
  }

  @AutoValue
  abstract static class GenericProperties {
    abstract Map<String, Integer> simpleMap();

    abstract Map<String, Map<String, Integer>> hairyMap();

    static GenericProperties create(
        Map<String, Integer> simpleMap, Map<String, Map<String, Integer>> hairyMap) {
      return new AutoValue_AutoValueTest_GenericProperties(simpleMap, hairyMap);
    }
  }

  @Test
  public void testGenericProperties() throws Exception {
    GenericProperties instance1 =
        GenericProperties.create(
            ImmutableMap.of("twenty-three", 23),
            ImmutableMap.of("very", (Map<String, Integer>) ImmutableMap.of("hairy", 17)));
    GenericProperties instance2 =
        GenericProperties.create(
            ImmutableMap.of("seventeen", 17),
            ImmutableMap.of("very", (Map<String, Integer>) ImmutableMap.of("hairy", 23)));
    new EqualsTester().addEqualityGroup(instance1).addEqualityGroup(instance2).testEquals();
    assertEquals(
        ImmutableMap.of("very", (Map<String, Integer>) ImmutableMap.of("hairy", 23)),
        instance2.hairyMap());
  }

  @AutoValue
  abstract static class GenericClass<K, V> {
    abstract K key();

    abstract Map<K, V> map();

    static <K, V> GenericClass<K, V> create(K key, Map<K, V> map) {
      return new AutoValue_AutoValueTest_GenericClass<K, V>(key, map);
    }
  }

  @Test
  public void testGenericClass() throws Exception {
    GenericClass<String, Boolean> instance =
        GenericClass.create("whatever", ImmutableMap.of("no", false));
    assertEquals(instance, instance);
    assertEquals("whatever", instance.key());
    assertEquals(ImmutableMap.of("no", false), instance.map());
  }

  @AutoValue
  abstract static class GenericClassSimpleBounds<K extends Number, V extends K> {
    abstract K key();

    abstract Map<K, V> map();

    static <K extends Number, V extends K> GenericClassSimpleBounds<K, V> create(
        K key, Map<K, V> map) {
      return new AutoValue_AutoValueTest_GenericClassSimpleBounds<K, V>(key, map);
    }
  }

  @Test
  public void testGenericClassWithSimpleBounds() throws Exception {
    GenericClassSimpleBounds<Integer, Integer> instance =
        GenericClassSimpleBounds.create(23, ImmutableMap.of(17, 23));
    assertEquals(instance, instance);
    assertEquals(23, (int) instance.key());
    assertEquals(ImmutableMap.of(17, 23), instance.map());
  }

  @AutoValue
  abstract static class GenericClassHairyBounds<K extends List<V> & Comparable<K>, V> {
    abstract K key();

    abstract Map<K, V> map();

    static <K extends List<V> & Comparable<K>, V> GenericClassHairyBounds<K, V> create(
        K key, Map<K, V> map) {
      return new AutoValue_AutoValueTest_GenericClassHairyBounds<K, V>(key, map);
    }
  }

  @Test
  public void testGenericClassWithHairyBounds() throws Exception {
    class ComparableList<E> extends ArrayList<E> implements Comparable<ComparableList<E>> {
      private static final long serialVersionUID = 1L;

      @Override
      public int compareTo(ComparableList<E> list) {
        throw new UnsupportedOperationException();
      }
    }
    ComparableList<String> emptyList = new ComparableList<String>();
    GenericClassHairyBounds<ComparableList<String>, String> instance =
        GenericClassHairyBounds.create(emptyList, ImmutableMap.of(emptyList, "23"));
    assertEquals(instance, instance);
    assertEquals(emptyList, instance.key());
    assertEquals(ImmutableMap.of(emptyList, "23"), instance.map());
  }

  interface Mergeable<M extends Mergeable<M>> {
    M merge(M other);
  }

  @AutoValue
  abstract static class Delta<M extends Mergeable<M>> {
    abstract M meta();

    static <M extends Mergeable<M>> Delta<M> create(M meta) {
      return new AutoValue_AutoValueTest_Delta<M>(meta);
    }
  }

  @Test
  public void testRecursiveGeneric() {
    class MergeableImpl implements Mergeable<MergeableImpl> {
      @Override
      public MergeableImpl merge(MergeableImpl other) {
        return this;
      }
    }
    MergeableImpl mergeable = new MergeableImpl();
    Delta<MergeableImpl> instance = Delta.create(mergeable);
    assertSame(mergeable, instance.meta());
  }

  static class NodeType<O> {}

  abstract static class NodeExpressionClass<O> {
    abstract NodeType<O> getType();
  }

  @AutoValue
  abstract static class NotNodeExpression extends NodeExpressionClass<Boolean> {
    static NotNodeExpression create() {
      return new AutoValue_AutoValueTest_NotNodeExpression(new NodeType<Boolean>());
    }
  }

  interface NodeExpressionInterface<O> {
    NodeType<O> getType();
  }

  @AutoValue
  abstract static class NotNodeExpression2 implements NodeExpressionInterface<Boolean> {
    static NotNodeExpression2 create() {
      return new AutoValue_AutoValueTest_NotNodeExpression2(new NodeType<Boolean>());
    }
  }

  @Test
  public void testConcreteWithGenericParent() {
    NotNodeExpression instance = NotNodeExpression.create();
    assertThat(instance.getType()).isInstanceOf(NodeType.class);
    NotNodeExpression2 instance2 = NotNodeExpression2.create();
    assertThat(instance2.getType()).isInstanceOf(NodeType.class);
  }

  @AutoValue
  abstract static class ExplicitToString {
    abstract String string();

    static ExplicitToString create(String string) {
      return new AutoValue_AutoValueTest_ExplicitToString(string);
    }

    @Override
    public String toString() {
      return "Bazinga{" + string() + "}";
    }
  }

  // We should not generate a toString() method if there already is a non-default one.
  @Test
  public void testExplicitToString() throws Exception {
    ExplicitToString instance = ExplicitToString.create("foo");
    assertEquals("Bazinga{foo}", instance.toString());
  }

  abstract static class NonAutoExplicitToString {
    abstract String string();

    @Override
    public String toString() {
      return "Bazinga{" + string() + "}";
    }
  }

  @AutoValue
  abstract static class InheritedExplicitToString extends NonAutoExplicitToString {
    static InheritedExplicitToString create(String string) {
      return new AutoValue_AutoValueTest_InheritedExplicitToString(string);
    }
  }

  // We should not generate a toString() method if we already inherit a non-default one.
  @Test
  public void testInheritedExplicitToString() throws Exception {
    InheritedExplicitToString instance = InheritedExplicitToString.create("foo");
    assertEquals("Bazinga{foo}", instance.toString());
  }

  @AutoValue
  abstract static class AbstractToString {
    abstract String string();

    static AbstractToString create(String string) {
      return new AutoValue_AutoValueTest_AbstractToString(string);
    }

    @Override
    public abstract String toString();
  }

  // We should generate a toString() method if the parent class has an abstract one.
  // That allows users to cancel a toString() from a parent class if they want.
  @Test
  public void testAbstractToString() throws Exception {
    AbstractToString instance = AbstractToString.create("foo");
    String expectedString = omitIdentifiers ? "{foo}" : "AbstractToString{string=foo}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  abstract static class NonAutoAbstractToString {
    abstract String string();

    @Override
    public abstract String toString();
  }

  @AutoValue
  abstract static class SubAbstractToString extends NonAutoAbstractToString {
    static SubAbstractToString create(String string) {
      return new AutoValue_AutoValueTest_SubAbstractToString(string);
    }
  }

  // We should generate a toString() method if the parent class inherits an abstract one.
  @Test
  public void testInheritedAbstractToString() throws Exception {
    SubAbstractToString instance = SubAbstractToString.create("foo");
    String expectedString = omitIdentifiers ? "{foo}" : "SubAbstractToString{string=foo}";
    assertThat(instance.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class ExplicitHashCode {
    abstract String string();

    static ExplicitHashCode create(String string) {
      return new AutoValue_AutoValueTest_ExplicitHashCode(string);
    }

    @Override
    public int hashCode() {
      return 1234;
    }
  }

  @Test
  public void testExplicitHashCode() throws Exception {
    ExplicitHashCode instance = ExplicitHashCode.create("foo");
    assertEquals(1234, instance.hashCode());
  }

  @AutoValue
  @SuppressWarnings("EqualsHashCode")
  abstract static class ExplicitEquals {
    int equalsCount;

    static ExplicitEquals create() {
      return new AutoValue_AutoValueTest_ExplicitEquals();
    }

    @Override
    public boolean equals(Object o) {
      equalsCount++;
      return super.equals(o);
    }
  }

  @SuppressWarnings("SelfEquals")
  @Test
  public void testExplicitEquals() throws Exception {
    ExplicitEquals instance = ExplicitEquals.create();
    assertEquals(0, instance.equalsCount);
    assertTrue(instance.equals(instance));
    assertEquals(1, instance.equalsCount);
    Method equals = instance.getClass().getMethod("equals", Object.class);
    assertNotSame(ExplicitEquals.class, instance.getClass());
    assertSame(ExplicitEquals.class, equals.getDeclaringClass());
  }

  @Retention(RetentionPolicy.RUNTIME)
  @interface MyAnnotation {
    String value();
  }

  @AutoAnnotation
  private static MyAnnotation myAnnotation(String value) {
    return new AutoAnnotation_AutoValueTest_myAnnotation(value);
  }

  @AutoValue
  abstract static class PrimitiveArrays {
    @SuppressWarnings("mutable")
    abstract boolean[] booleans();

    @SuppressWarnings("mutable")
    @Nullable
    abstract int[] ints();

    static PrimitiveArrays create(boolean[] booleans, int[] ints) {
      // Real code would likely clone these parameters, but here we want to check that the
      // generated constructor rejects a null value for booleans.
      return new AutoValue_AutoValueTest_PrimitiveArrays(booleans, ints);
    }
  }

  @Test
  public void testPrimitiveArrays() {
    PrimitiveArrays object0 = PrimitiveArrays.create(new boolean[0], new int[0]);
    boolean[] booleans = {false, true, true, false};
    int[] ints = {6, 28, 496, 8128, 33550336};
    PrimitiveArrays object1 = PrimitiveArrays.create(booleans.clone(), ints.clone());
    PrimitiveArrays object2 = PrimitiveArrays.create(booleans.clone(), ints.clone());
    new EqualsTester().addEqualityGroup(object1, object2).addEqualityGroup(object0).testEquals();
    // EqualsTester also exercises hashCode(). We clone the arrays above to ensure that using the
    // default Object.hashCode() will fail.

    String expectedString =
        omitIdentifiers
            ? ("{" + Arrays.toString(booleans) + ", " + Arrays.toString(ints) + "}")
            : ("PrimitiveArrays{booleans="
                + Arrays.toString(booleans)
                + ", "
                + "ints="
                + Arrays.toString(ints)
                + "}");
    assertThat(object1.toString()).isEqualTo(expectedString);
    assertThat(object1.ints()).isSameInstanceAs(object1.ints());
  }

  @Test
  public void testNullablePrimitiveArrays() {
    PrimitiveArrays object0 = PrimitiveArrays.create(new boolean[0], null);
    boolean[] booleans = {false, true, true, false};
    PrimitiveArrays object1 = PrimitiveArrays.create(booleans.clone(), null);
    PrimitiveArrays object2 = PrimitiveArrays.create(booleans.clone(), null);
    new EqualsTester().addEqualityGroup(object1, object2).addEqualityGroup(object0).testEquals();

    String expectedString =
        omitIdentifiers
            ? ("{" + Arrays.toString(booleans) + ", null}")
            : ("PrimitiveArrays{booleans=" + Arrays.toString(booleans) + ", " + "ints=null}");
    assertThat(object1.toString()).isEqualTo(expectedString);

    assertThat(object1.booleans()).isSameInstanceAs(object1.booleans());
    assertThat(object1.booleans()).isEqualTo(booleans);
    object1.booleans()[0] ^= true;
    assertThat(object1.booleans()).isNotEqualTo(booleans);
  }

  @Test
  public void testNotNullablePrimitiveArrays() {
    try {
      PrimitiveArrays.create(null, new int[0]);
      fail("Construction with null value for non-@Nullable array should have failed");
    } catch (NullPointerException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().contains("booleans");
      }
    }
  }

  // If users are mad enough to define their own Arrays class and have some properties of that
  // class and others of primitive array type, then we can't import java.util.Arrays.
  // This is unlikely.
  @AutoValue
  abstract static class AmbiguousArrays {
    static class Arrays {}

    abstract Arrays arrays();

    @SuppressWarnings("mutable")
    abstract int[] ints();

    static AmbiguousArrays create(Arrays arrays, int[] ints) {
      return new AutoValue_AutoValueTest_AmbiguousArrays(arrays, ints);
    }
  }

  @Test
  public void testAmbiguousArrays() {
    // If this test compiles at all then we presumably don't have the import problem above.
    AmbiguousArrays object1 = AmbiguousArrays.create(new AmbiguousArrays.Arrays(), new int[0]);
    assertNotNull(object1.arrays());
    assertEquals(0, object1.ints().length);
  }

  static final class HashCodeObserver {
    int hashCodeCount;

    @Override
    public boolean equals(Object obj) {
      return obj instanceof HashCodeObserver;
    }

    @Override
    public int hashCode() {
      hashCodeCount++;
      return 23;
    }
  }

  @AutoValue
  abstract static class MaybeCachedHashCode {
    abstract HashCodeObserver hashCodeObserver();

    abstract int randomInt();

    static MaybeCachedHashCode create(HashCodeObserver hashCodeObserver, int randomInt) {
      return new AutoValue_AutoValueTest_MaybeCachedHashCode(hashCodeObserver, randomInt);
    }
  }

  @Test
  public void testHashCodeNotCached() {
    HashCodeObserver observer = new HashCodeObserver();
    MaybeCachedHashCode maybeCached = MaybeCachedHashCode.create(observer, 17);
    int hash1 = maybeCached.hashCode();
    int hash2 = maybeCached.hashCode();
    assertEquals(hash1, hash2);
    assertEquals(2, observer.hashCodeCount);
  }

  @AutoValue
  abstract static class Version implements Comparable<Version> {
    abstract int major();

    abstract int minor();

    static Version create(int major, int minor) {
      return new AutoValue_AutoValueTest_Version(major, minor);
    }

    @Override
    public int compareTo(Version that) {
      return ComparisonChain.start()
          .compare(this.major(), that.major())
          .compare(this.minor(), that.minor())
          .result();
    }
  }

  @Test
  public void testComparisonChain() {
    assertEquals(Version.create(1, 2), Version.create(1, 2));
    Version[] versions = {Version.create(1, 2), Version.create(1, 3), Version.create(2, 1)};
    for (int i = 0; i < versions.length; i++) {
      for (int j = 0; j < versions.length; j++) {
        int actual = Integer.signum(versions[i].compareTo(versions[j]));
        int expected = Integer.signum(i - j);
        assertEquals(expected, actual);
      }
    }
  }

  abstract static class LukesBase {
    interface LukesVisitor<T> {
      T visit(LukesSub s);
    }

    abstract <T> T accept(LukesVisitor<T> visitor);

    @AutoValue
    abstract static class LukesSub extends LukesBase {
      static LukesSub create() {
        return new AutoValue_AutoValueTest_LukesBase_LukesSub();
      }

      @Override
      <T> T accept(LukesVisitor<T> visitor) {
        return visitor.visit(this);
      }
    }
  }

  @Test
  public void testVisitor() {
    LukesBase.LukesVisitor<String> visitor =
        new LukesBase.LukesVisitor<String>() {
          @Override
          public String visit(LukesBase.LukesSub s) {
            return s.toString();
          }
        };
    LukesBase.LukesSub sub = LukesBase.LukesSub.create();
    assertEquals(sub.toString(), sub.accept(visitor));
  }

  @AutoValue
  public abstract static class ComplexInheritance extends AbstractBase implements IntfA, IntfB {
    public static ComplexInheritance create(String name) {
      return new AutoValue_AutoValueTest_ComplexInheritance(name);
    }

    abstract String name();
  }

  static class AbstractBase implements Base {
    @Override
    public int answer() {
      return 42;
    }
  }

  interface IntfA extends Base {}

  interface IntfB extends Base {}

  interface Base {
    int answer();
  }

  @Test
  public void testComplexInheritance() {
    ComplexInheritance complex = ComplexInheritance.create("fred");
    assertEquals("fred", complex.name());
    assertEquals(42, complex.answer());
  }

  // This tests the case where we inherit abstract methods on more than one path. AbstractList
  // extends AbstractCollection, which implements Collection; and AbstractList also implements List,
  // which extends Collection. So the class here inherits the methods of Collection on more than
  // one path. In an earlier version of the logic for handling inheritance, this confused us into
  // thinking that the methods from Collection were still abstract and therefore candidates for
  // implementation, even though we inherit concrete implementations of them from AbstractList.
  @AutoValue
  public static class MoreComplexInheritance extends AbstractList<String> {
    @Override
    public String get(int index) {
      throw new NoSuchElementException(String.valueOf(index));
    }

    @Override
    public int size() {
      return 0;
    }

    public static MoreComplexInheritance create() {
      return new AutoValue_AutoValueTest_MoreComplexInheritance();
    }
  }

  @Test
  public void testMoreComplexInheritance() {
    MoreComplexInheritance instance1 = MoreComplexInheritance.create();
    MoreComplexInheritance instance2 = MoreComplexInheritance.create();
    assertThat(instance1).isEqualTo(instance2);
    assertThat(instance1).isNotSameInstanceAs(instance2);
  }

  // Test that we are not misled by the privateness of an ancestor into thinking that its methods
  // are invisible to descendants.
  public abstract static class PublicGrandparent {
    public abstract String foo();
  }

  private static class PrivateParent extends PublicGrandparent {
    @Override
    public String foo() {
      return "foo";
    }
  }

  @AutoValue
  static class EffectiveVisibility extends PrivateParent {
    static EffectiveVisibility create() {
      return new AutoValue_AutoValueTest_EffectiveVisibility();
    }
  }

  @Test
  public void testEffectiveVisibility() {
    EffectiveVisibility instance1 = EffectiveVisibility.create();
    EffectiveVisibility instance2 = EffectiveVisibility.create();
    assertThat(instance1).isEqualTo(instance2);
    assertThat(instance1).isNotSameInstanceAs(instance2);
  }

  @AutoValue
  public abstract static class InheritTwice implements IntfA, IntfB {
    public static InheritTwice create(int answer) {
      return new AutoValue_AutoValueTest_InheritTwice(answer);
    }
  }

  @Test
  public void testInheritTwice() {
    InheritTwice inheritTwice = InheritTwice.create(42);
    assertEquals(42, inheritTwice.answer());
  }

  @AutoValue
  public abstract static class Optional {
    public abstract com.google.common.base.Optional<Object> getOptional();

    public static Optional create(com.google.common.base.Optional<Object> opt) {
      return new AutoValue_AutoValueTest_Optional(opt);
    }
  }

  @Test
  public void testAmbiguityFromAutoValueType() {
    Optional autoOptional = Optional.create(com.google.common.base.Optional.absent());
    assertEquals(com.google.common.base.Optional.absent(), autoOptional.getOptional());
  }

  static class BaseWithNestedType {
    static class Optional {}
  }

  @AutoValue
  public abstract static class InheritsNestedType extends BaseWithNestedType {
    public abstract com.google.common.base.Optional<Object> getOptional();

    public static InheritsNestedType create(com.google.common.base.Optional<Object> opt) {
      return new AutoValue_AutoValueTest_InheritsNestedType(opt);
    }
  }

  @Test
  public void testAmbiguityFromInheritedType() {
    InheritsNestedType inheritsNestedType =
        InheritsNestedType.create(com.google.common.base.Optional.absent());
    assertEquals(com.google.common.base.Optional.absent(), inheritsNestedType.getOptional());
  }

  abstract static class AbstractParent {
    abstract int foo();
  }

  // We use Double.doubleToLongBits in equals and hashCode, so that better be qualified correctly if
  // someone has unwisely declared their own Float or Double class.
  @SuppressWarnings("JavaLangClash")
  @AutoValue
  public abstract static class RedeclareFloatAndDouble {
    public abstract float aFloat();
    public abstract double aDouble();

    public static RedeclareFloatAndDouble of(float aFloat, double aDouble) {
      return new AutoValue_AutoValueTest_RedeclareFloatAndDouble(aFloat, aDouble);
    }

    static class Float {}
    static class Double {}
  }

  @SuppressWarnings("TruthSelfEquals")
  @Test
  public void testRedeclareFloatAndDouble() {
    RedeclareFloatAndDouble iEqualMyself = RedeclareFloatAndDouble.of(Float.NaN, Double.NaN);
    assertThat(iEqualMyself).isEqualTo(iEqualMyself);
  }

  @AutoValue
  abstract static class AbstractChild extends AbstractParent {
    // The main point of this test is to ensure that we don't try to copy this @Override into the
    // generated implementation alongside the @Override that we put on all implementation methods.
    @Override
    abstract int foo();

    static AbstractChild create(int foo) {
      return new AutoValue_AutoValueTest_AbstractChild(foo);
    }
  }

  @Test
  public void testOverrideNotDuplicated() {
    AbstractChild instance = AbstractChild.create(23);
    assertEquals(23, instance.foo());
  }

  @AutoValue
  public abstract static class BasicWithBuilder {
    public abstract int foo();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_BasicWithBuilder.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder foo(int foo);

      BasicWithBuilder build();
    }
  }

  @Test
  public void testBasicWithBuilder() {
    BasicWithBuilder x = BasicWithBuilder.builder().foo(23).build();
    assertEquals(23, x.foo());
    try {
      BasicWithBuilder.builder().build();
      fail("Expected exception for missing property");
    } catch (IllegalStateException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().contains("foo");
      }
    }
  }

  @Test
  public void testBasicWithBuilderHasOnlyOneConstructor() throws Exception {
    Class<?> builderClass = AutoValue_AutoValueTest_BasicWithBuilder.Builder.class;
    Constructor<?>[] constructors = builderClass.getDeclaredConstructors();
    assertThat(constructors).hasLength(1);
    Constructor<?> constructor = constructors[0];
    assertThat(constructor.getParameterTypes()).isEmpty();
  }

  @AutoValue
  public abstract static class EmptyWithBuilder {
    public static Builder builder() {
      return new AutoValue_AutoValueTest_EmptyWithBuilder.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      EmptyWithBuilder build();
    }
  }

  @Test
  public void testEmptyWithBuilder() {
    EmptyWithBuilder x = EmptyWithBuilder.builder().build();
    EmptyWithBuilder y = EmptyWithBuilder.builder().build();
    assertEquals(x, y);
  }

  @AutoValue
  public abstract static class TwoPropertiesWithBuilderClass {
    public abstract String string();

    public abstract int integer();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_TwoPropertiesWithBuilderClass.Builder();
    }

    public static Builder builder(String string) {
      return new AutoValue_AutoValueTest_TwoPropertiesWithBuilderClass.Builder().string(string);
    }

    @AutoValue.Builder
    public abstract static class Builder {
      public abstract Builder string(String x);

      public abstract Builder integer(int x);

      public abstract TwoPropertiesWithBuilderClass build();
    }
  }

  @Test
  public void testTwoPropertiesWithBuilderClass() {
    TwoPropertiesWithBuilderClass a1 =
        TwoPropertiesWithBuilderClass.builder().string("23").integer(17).build();
    TwoPropertiesWithBuilderClass a2 =
        TwoPropertiesWithBuilderClass.builder("23").integer(17).build();
    TwoPropertiesWithBuilderClass a3 =
        TwoPropertiesWithBuilderClass.builder().integer(17).string("23").build();
    TwoPropertiesWithBuilderClass b =
        TwoPropertiesWithBuilderClass.builder().string("17").integer(17).build();
    new EqualsTester().addEqualityGroup(a1, a2, a3).addEqualityGroup(b).testEquals();

    try {
      TwoPropertiesWithBuilderClass.builder().string(null);
      fail("Did not get expected exception");
    } catch (NullPointerException expected) {
    }
  }

  @AutoValue
  public abstract static class NullablePropertyWithBuilder {
    public abstract String notNullable();

    @Nullable
    public abstract String nullable();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_NullablePropertyWithBuilder.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder notNullable(String s);

      Builder nullable(@Nullable String s);

      NullablePropertyWithBuilder build();
    }
  }

  @Test
  public void testOmitNullableWithBuilder() {
    NullablePropertyWithBuilder instance1 =
        NullablePropertyWithBuilder.builder().notNullable("hello").build();
    assertThat(instance1.notNullable()).isEqualTo("hello");
    assertThat(instance1.nullable()).isNull();

    NullablePropertyWithBuilder instance2 =
        NullablePropertyWithBuilder.builder().notNullable("hello").nullable(null).build();
    assertThat(instance2.notNullable()).isEqualTo("hello");
    assertThat(instance2.nullable()).isNull();
    assertThat(instance1).isEqualTo(instance2);

    NullablePropertyWithBuilder instance3 =
        NullablePropertyWithBuilder.builder().notNullable("hello").nullable("world").build();
    assertThat(instance3.notNullable()).isEqualTo("hello");
    assertThat(instance3.nullable()).isEqualTo("world");

    try {
      NullablePropertyWithBuilder.builder().build();
      fail("Expected IllegalStateException for unset non-@Nullable property");
    } catch (IllegalStateException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().contains("notNullable");
      }
    }
  }

  @AutoValue
  public abstract static class PrimitiveAndBoxed {
    public abstract int anInt();

    @Nullable
    public abstract Integer aNullableInteger();

    public abstract Integer aNonNullableInteger();

    public abstract Builder toBuilder();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_PrimitiveAndBoxed.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder setAnInt(Integer x);

      Builder setANullableInteger(int x);

      Builder setANonNullableInteger(int x);

      PrimitiveAndBoxed build();
    }
  }

  @Test
  public void testPrimitiveAndBoxed() {
    PrimitiveAndBoxed instance1 =
        PrimitiveAndBoxed.builder().setAnInt(17).setANonNullableInteger(23).build();
    assertThat(instance1.anInt()).isEqualTo(17);
    assertThat(instance1.aNullableInteger()).isNull();
    assertThat(instance1.aNonNullableInteger()).isEqualTo(23);

    PrimitiveAndBoxed instance2 = instance1.toBuilder().setANullableInteger(5).build();
    assertThat(instance2.aNullableInteger()).isEqualTo(5);

    try {
      instance1.toBuilder().setAnInt(null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  @AutoValue
  public abstract static class OptionalPropertiesWithBuilder {
    public abstract com.google.common.base.Optional<String> optionalString();

    public abstract com.google.common.base.Optional<Integer> optionalInteger();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_OptionalPropertiesWithBuilder.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder setOptionalString(com.google.common.base.Optional<String> s);

      Builder setOptionalString(String s);

      Builder setOptionalInteger(com.google.common.base.Optional<Integer> i);

      Builder setOptionalInteger(int i);

      OptionalPropertiesWithBuilder build();
    }
  }

  @Test
  public void testOmitOptionalWithBuilder() {
    OptionalPropertiesWithBuilder omitted = OptionalPropertiesWithBuilder.builder().build();
    assertThat(omitted.optionalString()).isAbsent();
    assertThat(omitted.optionalInteger()).isAbsent();

    OptionalPropertiesWithBuilder supplied =
        OptionalPropertiesWithBuilder.builder()
            .setOptionalString(com.google.common.base.Optional.of("foo"))
            .build();
    assertThat(supplied.optionalString()).hasValue("foo");
    assertThat(omitted.optionalInteger()).isAbsent();

    OptionalPropertiesWithBuilder suppliedDirectly =
        OptionalPropertiesWithBuilder.builder()
            .setOptionalString("foo")
            .setOptionalInteger(23)
            .build();
    assertThat(suppliedDirectly.optionalString()).hasValue("foo");
    assertThat(suppliedDirectly.optionalInteger()).hasValue(23);

    try {
      // The parameter is not marked @Nullable so this should fail.
      OptionalPropertiesWithBuilder.builder().setOptionalString((String) null);
      fail();
    } catch (NullPointerException expected) {
    }
  }

  @AutoValue
  public abstract static class OptionalPropertyWithNullableBuilder {
    public abstract String notOptional();

    public abstract com.google.common.base.Optional<String> optional();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_OptionalPropertyWithNullableBuilder.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder notOptional(String s);

      Builder optional(@Nullable String s);

      OptionalPropertyWithNullableBuilder build();
    }
  }

  @Test
  public void testOmitOptionalWithNullableBuilder() {
    OptionalPropertyWithNullableBuilder instance1 =
        OptionalPropertyWithNullableBuilder.builder().notOptional("hello").build();
    assertThat(instance1.notOptional()).isEqualTo("hello");
    assertThat(instance1.optional()).isAbsent();

    OptionalPropertyWithNullableBuilder instance2 =
        OptionalPropertyWithNullableBuilder.builder().notOptional("hello").optional(null).build();
    assertThat(instance2.notOptional()).isEqualTo("hello");
    assertThat(instance2.optional()).isAbsent();
    assertThat(instance1).isEqualTo(instance2);

    OptionalPropertyWithNullableBuilder instance3 =
        OptionalPropertyWithNullableBuilder.builder()
            .notOptional("hello")
            .optional("world")
            .build();
    assertThat(instance3.notOptional()).isEqualTo("hello");
    assertThat(instance3.optional()).hasValue("world");

    try {
      OptionalPropertyWithNullableBuilder.builder().build();
      fail("Expected IllegalStateException for unset non-Optional property");
    } catch (IllegalStateException expected) {
    }
  }

  @AutoValue
  public abstract static class NullableOptionalPropertiesWithBuilder {
    @Nullable
    public abstract com.google.common.base.Optional<String> optionalString();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_NullableOptionalPropertiesWithBuilder.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder setOptionalString(com.google.common.base.Optional<String> s);

      NullableOptionalPropertiesWithBuilder build();
    }
  }

  @Test
  public void testOmitNullableOptionalWithBuilder() {
    NullableOptionalPropertiesWithBuilder omitted =
        NullableOptionalPropertiesWithBuilder.builder().build();
    assertThat(omitted.optionalString()).isNull();

    NullableOptionalPropertiesWithBuilder supplied =
        NullableOptionalPropertiesWithBuilder.builder()
            .setOptionalString(com.google.common.base.Optional.of("foo"))
            .build();
    assertThat(supplied.optionalString()).hasValue("foo");
  }

  @AutoValue
  public abstract static class OptionalPropertiesWithBuilderSimpleSetter {
    public abstract com.google.common.base.Optional<String> optionalString();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_OptionalPropertiesWithBuilderSimpleSetter.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder setOptionalString(String s);

      OptionalPropertiesWithBuilderSimpleSetter build();
    }
  }

  @Test
  public void testOptionalPropertySimpleSetter() {
    OptionalPropertiesWithBuilderSimpleSetter omitted =
        OptionalPropertiesWithBuilderSimpleSetter.builder().build();
    assertThat(omitted.optionalString()).isAbsent();

    OptionalPropertiesWithBuilderSimpleSetter supplied =
        OptionalPropertiesWithBuilderSimpleSetter.builder().setOptionalString("foo").build();
    assertThat(supplied.optionalString()).hasValue("foo");
  }

  @AutoValue
  public abstract static class PropertyWithOptionalGetter {
    public abstract String getString();

    public abstract int getInt();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_PropertyWithOptionalGetter.Builder();
    }

    @AutoValue.Builder
    public interface Builder {
      Builder setString(String s);

      com.google.common.base.Optional<String> getString();

      Builder setInt(int x);

      com.google.common.base.Optional<Integer> getInt();

      PropertyWithOptionalGetter build();
    }
  }

  @Test
  public void testOptionalGetter() {
    PropertyWithOptionalGetter.Builder omitted = PropertyWithOptionalGetter.builder();
    assertThat(omitted.getString()).isAbsent();
    assertThat(omitted.getInt()).isAbsent();

    PropertyWithOptionalGetter.Builder supplied =
        PropertyWithOptionalGetter.builder().setString("foo").setInt(23);
    assertThat(supplied.getString()).hasValue("foo");
    assertThat(supplied.getInt()).hasValue(23);
  }

  @AutoValue
  public abstract static class PropertyNamedMissing {
    public abstract String missing();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_PropertyNamedMissing.Builder();
    }

    @AutoValue.Builder
    public abstract static class Builder {
      public abstract Builder setMissing(String x);

      public abstract PropertyNamedMissing build();
    }
  }

  // https://github.com/google/auto/issues/412
  @Test
  public void testPropertyNamedMissing() {
    try {
      PropertyNamedMissing.builder().build();
      fail();
    } catch (IllegalStateException expected) {
    }
    PropertyNamedMissing x = PropertyNamedMissing.builder().setMissing("foo").build();
    assertThat(x.missing()).isEqualTo("foo");
  }

  @AutoValue
  public abstract static class GenericsWithBuilder<T extends Number & Comparable<T>, U extends T> {
    public abstract List<T> list();

    public abstract U u();

    public static <T extends Number & Comparable<T>, U extends T> Builder<T, U> builder() {
      return new AutoValue_AutoValueTest_GenericsWithBuilder.Builder<T, U>();
    }

    public abstract Builder<T, U> toBuilderGenerated();

    @AutoValue.Builder
    public interface Builder<T extends Number & Comparable<T>, U extends T> {
      Builder<T, U> list(List<T> list);

      Builder<T, U> u(U u);

      GenericsWithBuilder<T, U> build();
    }
  }

  @Test
  public void testBuilderGenerics() {
    List<Integer> integers = ImmutableList.of(1, 2, 3);
    GenericsWithBuilder<Integer, Integer> instance =
        GenericsWithBuilder.<Integer, Integer>builder().list(integers).u(23).build();
    assertEquals(integers, instance.list());
    assertEquals((Integer) 23, instance.u());

    GenericsWithBuilder<Integer, Integer> instance2 = instance.toBuilderGenerated().build();
    assertEquals(instance, instance2);
    assertNotSame(instance, instance2);

    GenericsWithBuilder<Integer, Integer> instance3 = instance.toBuilderGenerated().u(17).build();
    assertEquals(integers, instance3.list());
    assertEquals((Integer) 17, instance3.u());
  }

  public interface ToBuilder<BuilderT> {
    BuilderT toBuilder();
  }

  @AutoValue
  public abstract static class InheritedToBuilder<T, U>
      implements ToBuilder<InheritedToBuilder.Builder<T, U>> {

    public abstract T t();

    public abstract U u();

    public static <T, U> Builder<T, U> builder() {
      return new AutoValue_AutoValueTest_InheritedToBuilder.Builder<T, U>();
    }

    @AutoValue.Builder
    public abstract static class Builder<T, U> {
      public abstract Builder<T, U> setT(T t);

      public abstract Builder<T, U> setU(U u);

      public abstract InheritedToBuilder<T, U> build();
    }
  }

  @Test
  public void testInheritedToBuilder() {
    InheritedToBuilder<Integer, String> x =
        InheritedToBuilder.<Integer, String>builder().setT(17).setU("wibble").build();
    InheritedToBuilder<Integer, String> y = x.toBuilder().setT(23).build();
    assertThat(y.u()).isEqualTo("wibble");
  }

  @AutoValue
  public abstract static class BuilderWithSet<T extends Comparable<T>> {
    public abstract List<T> list();

    public abstract T t();

    public static <T extends Comparable<T>> Builder<T> builder() {
      return new AutoValue_AutoValueTest_BuilderWithSet.Builder<T>();
    }

    @AutoValue.Builder
    public interface Builder<T extends Comparable<T>> {
      Builder<T> setList(List<T> list);

      Builder<T> setT(T t);

      BuilderWithSet<T> build();
    }
  }

  @Test
  public void testBuilderWithSet() {
    List<Integer> integers = ImmutableList.of(1, 2, 3);
    BuilderWithSet<Integer> instance =
        BuilderWithSet.<Integer>builder().setList(integers).setT(23).build();
    assertEquals(integers, instance.list());
    assertEquals((Integer) 23, instance.t());
  }

  @AutoValue
  public abstract static class BuilderWithSetAndGet {
    public abstract List<Integer> getAList();

    public abstract int getAnInt();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_BuilderWithSetAndGet.Builder();
    }

    public abstract Builder toBuilder();

    @AutoValue.Builder
    public interface Builder {
      Builder setAList(List<Integer> list);

      Builder setAnInt(int i);

      BuilderWithSetAndGet build();
    }
  }

  @Test
  public void testBuilderWithSetAndGet() {
    List<Integer> integers = ImmutableList.of(1, 2, 3);
    BuilderWithSetAndGet instance =
        BuilderWithSetAndGet.builder().setAList(integers).setAnInt(23).build();
    assertEquals(integers, instance.getAList());
    assertEquals(23, instance.getAnInt());

    BuilderWithSetAndGet instance2 = instance.toBuilder().build();
    assertEquals(instance, instance2);
    assertNotSame(instance, instance2);

    BuilderWithSetAndGet instance3 = instance.toBuilder().setAnInt(17).build();
    assertEquals(integers, instance3.getAList());
    assertEquals(17, instance3.getAnInt());
  }

  @AutoValue
  public abstract static class BuilderWithUnprefixedGetters<T extends Comparable<T>> {
    public abstract ImmutableList<T> list();

    @Nullable
    public abstract T t();

    @SuppressWarnings("mutable")
    public abstract int[] ints();

    public abstract int noGetter();

    public abstract String oAuth();

    public abstract String oBrien();

    public static <T extends Comparable<T>> Builder<T> builder() {
      return new AutoValue_AutoValueTest_BuilderWithUnprefixedGetters.Builder<T>();
    }

    @AutoValue.Builder
    public interface Builder<T extends Comparable<T>> {
      Builder<T> setList(ImmutableList<T> list);

      Builder<T> setT(T t);

      Builder<T> setInts(int[] ints);

      Builder<T> setNoGetter(int x);

      Builder<T> setoAuth(String x); // this ugly spelling is for compatibility

      Builder<T> setOBrien(String x);

      ImmutableList<T> list();

      T t();

      int[] ints();

      String oAuth();

      String oBrien();

      BuilderWithUnprefixedGetters<T> build();
    }
  }

  @Test
  public void testBuilderWithUnprefixedGetter() {
    ImmutableList<String> names = ImmutableList.of("fred", "jim");
    int[] ints = {6, 28, 496, 8128, 33550336};
    int noGetter = -1;

    BuilderWithUnprefixedGetters.Builder<String> builder = BuilderWithUnprefixedGetters.builder();
    assertNull(builder.t());
    try {
      builder.list();
      fail("Attempt to retrieve unset list property should have failed");
    } catch (IllegalStateException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().isEqualTo("Property \"list\" has not been set");
      }
    }
    try {
      builder.ints();
      fail("Attempt to retrieve unset ints property should have failed");
    } catch (IllegalStateException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().isEqualTo("Property \"ints\" has not been set");
      }
    }

    builder.setList(names);
    assertThat(builder.list()).isSameInstanceAs(names);
    builder.setInts(ints);
    assertThat(builder.ints()).isEqualTo(ints);
    builder.setoAuth("OAuth");
    assertThat(builder.oAuth()).isEqualTo("OAuth");
    builder.setOBrien("Flann");
    assertThat(builder.oBrien()).isEqualTo("Flann");
    // The array is not cloned by the getter, so the client can modify it (but shouldn't).
    ints[0] = 0;
    assertThat(builder.ints()[0]).isEqualTo(0);
    ints[0] = 6;

    BuilderWithUnprefixedGetters<String> instance = builder.setNoGetter(noGetter).build();
    assertThat(instance.list()).isSameInstanceAs(names);
    assertThat(instance.t()).isNull();
    assertThat(instance.ints()).isEqualTo(ints);
    assertThat(instance.noGetter()).isEqualTo(noGetter);
    assertThat(instance.oAuth()).isEqualTo("OAuth");
    assertThat(instance.oBrien()).isEqualTo("Flann");
  }

  @AutoValue
  public abstract static class BuilderWithPrefixedGetters<T extends Comparable<T>> {
    public abstract ImmutableList<T> getList();

    public abstract T getT();

    @SuppressWarnings("mutable")
    @Nullable
    public abstract int[] getInts();

    public abstract ImmutableList<String> getOAuths();

    public abstract int getNoGetter();

    public static <T extends Comparable<T>> Builder<T> builder() {
      return new AutoValue_AutoValueTest_BuilderWithPrefixedGetters.Builder<T>();
    }

    @AutoValue.Builder
    public abstract static class Builder<T extends Comparable<T>> {
      public abstract Builder<T> setList(ImmutableList<T> list);

      public abstract Builder<T> setT(T t);

      public abstract Builder<T> setInts(int[] ints);

      public abstract Builder<T> setNoGetter(int x);

      public abstract Builder<T> setOAuths(List<String> x);

      public abstract ImmutableList.Builder<String> oAuthsBuilder();

      abstract ImmutableList<T> getList();

      abstract T getT();

      abstract int[] getInts();

      public abstract BuilderWithPrefixedGetters<T> build();
    }
  }

  @Test
  public void testBuilderWithPrefixedGetter() {
    ImmutableList<String> names = ImmutableList.of("fred", "jim");
    String name = "sheila";
    int noGetter = -1;

    BuilderWithPrefixedGetters.Builder<String> builder = BuilderWithPrefixedGetters.builder();
    assertThat(builder.getInts()).isNull();
    try {
      builder.getList();
      fail("Attempt to retrieve unset list property should have failed");
    } catch (IllegalStateException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().isEqualTo("Property \"list\" has not been set");
      }
    }

    builder.setList(names);
    assertThat(builder.getList()).isSameInstanceAs(names);
    builder.setT(name);
    assertThat(builder.getInts()).isNull();
    builder.setOAuths(ImmutableList.of("OAuth"));

    BuilderWithPrefixedGetters<String> instance = builder.setNoGetter(noGetter).build();
    assertThat(instance.getList()).isSameInstanceAs(names);
    assertThat(instance.getT()).isEqualTo(name);
    assertThat(instance.getInts()).isNull();
    assertThat(instance.getNoGetter()).isEqualTo(noGetter);
    assertThat(instance.getOAuths()).containsExactly("OAuth");

    builder =
        BuilderWithPrefixedGetters.<String>builder()
            .setList(names)
            .setT(name)
            .setNoGetter(noGetter);
    builder.oAuthsBuilder().add("foo", "bar");
    assertThat(builder.build().getOAuths()).containsExactly("foo", "bar").inOrder();
  }

  @AutoValue
  public abstract static class BuilderWithPrefixedGettersAndUnprefixedSetters {
    public abstract String getOAuth();

    public abstract String getOBrien();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_BuilderWithPrefixedGettersAndUnprefixedSetters.Builder();
    }

    @AutoValue.Builder
    public abstract static class Builder {
      public abstract Builder oAuth(String x);

      public abstract Builder OBrien(String x);

      public abstract BuilderWithPrefixedGettersAndUnprefixedSetters build();
    }
  }

  @Test
  public void testBuilderWithPrefixedGetterAndUnprefixedSetter() {
    BuilderWithPrefixedGettersAndUnprefixedSetters x =
        BuilderWithPrefixedGettersAndUnprefixedSetters.builder()
            .oAuth("OAuth")
            .OBrien("Flann")
            .build();
    assertThat(x.getOAuth()).isEqualTo("OAuth");
    assertThat(x.getOBrien()).isEqualTo("Flann");
  }

  @AutoValue
  public abstract static class BuilderWithPropertyBuilders<FooT extends Comparable<FooT>> {
    public abstract ImmutableList<FooT> getFoos();

    public abstract ImmutableSet<String> getStrings();

    public abstract BuilderWithPropertyBuilders.Builder<FooT> toBuilder();

    public static <FooT extends Comparable<FooT>> Builder<FooT> builder() {
      return new AutoValue_AutoValueTest_BuilderWithPropertyBuilders.Builder<FooT>();
    }

    @AutoValue.Builder
    public abstract static class Builder<FooT extends Comparable<FooT>> {
      public abstract ImmutableList<FooT> getFoos();

      public Builder<FooT> addFoos(Iterable<FooT> foos) {
        foosBuilder().addAll(foos);
        return this;
      }

      abstract ImmutableList.Builder<FooT> foosBuilder();

      public Builder<FooT> addToTs(FooT element) {
        foosBuilder().add(element);
        return this;
      }

      abstract Builder<FooT> setStrings(ImmutableList<String> strings);

      abstract ImmutableSet.Builder<String> stringsBuilder();

      public Builder<FooT> addToStrings(String element) {
        stringsBuilder().add(element);
        return this;
      }

      public abstract BuilderWithPropertyBuilders<FooT> build();
    }
  }

  @Test
  public void testBuilderWithPropertyBuilders() {
    ImmutableList<Integer> numbers = ImmutableList.of(1, 1, 2, 6, 24);
    ImmutableSet<String> names = ImmutableSet.of("one", "two", "six", "twenty-four");

    BuilderWithPropertyBuilders<Integer> a =
        BuilderWithPropertyBuilders.<Integer>builder()
            .addFoos(numbers)
            .addToStrings("one")
            .addToStrings("two")
            .addToStrings("six")
            .addToStrings("twenty-four")
            .build();

    assertEquals(numbers, a.getFoos());
    assertEquals(names, a.getStrings());

    BuilderWithPropertyBuilders.Builder<Integer> bBuilder = BuilderWithPropertyBuilders.builder();
    bBuilder.stringsBuilder().addAll(names);
    bBuilder.foosBuilder().addAll(numbers);

    assertEquals(numbers, bBuilder.getFoos());

    BuilderWithPropertyBuilders<Integer> b = bBuilder.build();
    assertEquals(a, b);

    BuilderWithPropertyBuilders.Builder<Integer> cBuilder = a.toBuilder();
    cBuilder.addToStrings("one hundred and twenty");
    cBuilder.addToTs(120);
    BuilderWithPropertyBuilders<Integer> c = cBuilder.build();
    assertEquals(
        ImmutableSet.of("one", "two", "six", "twenty-four", "one hundred and twenty"),
        c.getStrings());
    assertEquals(ImmutableList.of(1, 1, 2, 6, 24, 120), c.getFoos());

    BuilderWithPropertyBuilders.Builder<Integer> dBuilder = a.toBuilder();
    dBuilder.addFoos(ImmutableList.of(120, 720));
    BuilderWithPropertyBuilders<Integer> d = dBuilder.build();
    assertEquals(ImmutableList.of(1, 1, 2, 6, 24, 120, 720), d.getFoos());
    assertEquals(names, d.getStrings());

    BuilderWithPropertyBuilders<Integer> empty =
        BuilderWithPropertyBuilders.<Integer>builder().build();
    assertEquals(ImmutableList.of(), empty.getFoos());
    assertEquals(ImmutableSet.of(), empty.getStrings());

    try {
      BuilderWithPropertyBuilders.<Integer>builder().setStrings(null).build();
      fail("Did not get expected exception");
    } catch (RuntimeException expected) {
      // We don't specify whether you get the exception on setStrings(null) or on build(), nor
      // which exception it is exactly.
    }
  }

  interface ImmutableListOf<T> {
    ImmutableList<T> list();
  }

  @AutoValue
  abstract static class PropertyBuilderInheritsType implements ImmutableListOf<String> {
    static Builder builder() {
      return new AutoValue_AutoValueTest_PropertyBuilderInheritsType.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract ImmutableList.Builder<String> listBuilder();

      abstract PropertyBuilderInheritsType build();
    }
  }

  @Test
  public void propertyBuilderInheritsType() {
    PropertyBuilderInheritsType.Builder builder = PropertyBuilderInheritsType.builder();
    builder.listBuilder().add("foo", "bar");
    PropertyBuilderInheritsType x = builder.build();
    assertThat(x.list()).containsExactly("foo", "bar").inOrder();
  }

  @AutoValue
  public abstract static class BuilderWithExoticPropertyBuilders<
      K extends Number, V extends Comparable<K>> {
    public abstract ImmutableMap<String, V> map();

    public abstract ImmutableTable<String, K, V> table();

    public static <K extends Number, V extends Comparable<K>> Builder<K, V> builder() {
      return new AutoValue_AutoValueTest_BuilderWithExoticPropertyBuilders.Builder<K, V>();
    }

    @AutoValue.Builder
    public abstract static class Builder<K extends Number, V extends Comparable<K>> {
      public Builder<K, V> putAll(Map<String, V> map) {
        mapBuilder().putAll(map);
        return this;
      }

      public abstract ImmutableMap.Builder<String, V> mapBuilder();

      public Builder<K, V> putAll(ImmutableTable<String, K, V> table) {
        tableBuilder().putAll(table);
        return this;
      }

      public abstract ImmutableTable.Builder<String, K, V> tableBuilder();

      public abstract BuilderWithExoticPropertyBuilders<K, V> build();
    }
  }

  @Test
  public void testBuilderWithExoticPropertyBuilders() {
    ImmutableMap<String, Integer> map = ImmutableMap.of("one", 1);
    ImmutableTable<String, Integer, Integer> table = ImmutableTable.of("one", 1, -1);

    BuilderWithExoticPropertyBuilders<Integer, Integer> a =
        BuilderWithExoticPropertyBuilders.<Integer, Integer>builder()
            .putAll(map)
            .putAll(table)
            .build();
    assertEquals(map, a.map());
    assertEquals(table, a.table());

    BuilderWithExoticPropertyBuilders.Builder<Integer, Integer> bBuilder =
        BuilderWithExoticPropertyBuilders.builder();
    bBuilder.mapBuilder().putAll(map);
    bBuilder.tableBuilder().putAll(table);
    BuilderWithExoticPropertyBuilders<Integer, Integer> b = bBuilder.build();
    assertEquals(a, b);

    BuilderWithExoticPropertyBuilders<Integer, Integer> empty =
        BuilderWithExoticPropertyBuilders.<Integer, Integer>builder().build();
    assertEquals(ImmutableMap.of(), empty.map());
    assertEquals(ImmutableTable.of(), empty.table());
  }

  @AutoValue
  public abstract static class BuilderWithCopyingSetters<T extends Number> {
    public abstract ImmutableSet<? extends T> things();

    public abstract ImmutableList<Number> numbers();

    public abstract ImmutableMap<String, T> map();

    public static <T extends Number> Builder<T> builder(T value) {
      return new AutoValue_AutoValueTest_BuilderWithCopyingSetters.Builder<T>()
          .setNumbers(ImmutableSet.of(17, 23.0))
          .setMap(Collections.singletonMap("foo", value));
    }

    @AutoValue.Builder
    public interface Builder<T extends Number> {
      Builder<T> setThings(ImmutableSet<T> things);

      Builder<T> setThings(Iterable<? extends T> things);

      Builder<T> setThings(T... things);

      Builder<T> setNumbers(Collection<? extends Number> strings);

      Builder<T> setMap(Map<String, T> map);

      BuilderWithCopyingSetters<T> build();
    }
  }

  @Test
  public void testBuilderWithCopyingSetters() {
    BuilderWithCopyingSetters.Builder<Integer> builder = BuilderWithCopyingSetters.builder(23);

    BuilderWithCopyingSetters<Integer> a = builder.setThings(ImmutableSet.of(1, 2)).build();
    assertThat(a.things()).containsExactly(1, 2);
    assertThat(a.numbers()).containsExactly(17, 23.0).inOrder();
    assertThat(a.map()).containsExactly("foo", 23);

    BuilderWithCopyingSetters<Integer> b = builder.setThings(Arrays.asList(1, 2)).build();
    assertThat(b).isEqualTo(a);

    BuilderWithCopyingSetters<Integer> c = builder.setThings(1, 2).build();
    assertThat(c).isEqualTo(a);
  }

  @AutoValue
  public abstract static class BuilderWithImmutableSorted<T extends Comparable<T>> {
    public abstract ImmutableSortedSet<T> sortedSet();

    public abstract ImmutableSortedMap<T, Integer> sortedMap();

    public static <T extends Comparable<T>> Builder<T> builder() {
      return new AutoValue_AutoValueTest_BuilderWithImmutableSorted.Builder<T>()
          .setSortedSet(new TreeSet<T>())
          .setSortedMap(new TreeMap<T, Integer>());
    }

    @AutoValue.Builder
    public interface Builder<T extends Comparable<T>> {
      @SuppressWarnings("unchecked")
      Builder<T> setSortedSet(T... x);

      Builder<T> setSortedSet(NavigableSet<T> x);

      ImmutableSortedSet.Builder<T> sortedSetBuilder();

      Builder<T> setSortedMap(SortedMap<T, Integer> x);

      Builder<T> setSortedMap(NavigableMap<T, Integer> x);

      ImmutableSortedMap.Builder<T, Integer> sortedMapBuilder();

      BuilderWithImmutableSorted<T> build();
    }
  }

  @Test
  public void testBuilderWithImmutableSorted_Varargs() {
    BuilderWithImmutableSorted<String> x =
        BuilderWithImmutableSorted.<String>builder().setSortedSet("foo", "bar", "baz").build();
    assertThat(x.sortedSet()).containsExactly("bar", "baz", "foo").inOrder();
  }

  @Test
  public void testBuilderWithImmutableSorted_SetSet() {
    BuilderWithImmutableSorted<String> x =
        BuilderWithImmutableSorted.<String>builder()
            .setSortedSet(new TreeSet<String>(String.CASE_INSENSITIVE_ORDER))
            .build();
    assertThat(x.sortedSet().comparator()).isEqualTo(String.CASE_INSENSITIVE_ORDER);
  }

  @Test
  public void testBuilderWithImmutableSorted_SetMap() {
    BuilderWithImmutableSorted<String> x =
        BuilderWithImmutableSorted.<String>builder()
            .setSortedMap(new TreeMap<String, Integer>(String.CASE_INSENSITIVE_ORDER))
            .build();
    assertThat(x.sortedMap().comparator()).isEqualTo(String.CASE_INSENSITIVE_ORDER);
  }

  @Test
  public void testBuilderWithImmutableSorted_SetCollectionBuilder() {
    BuilderWithImmutableSorted.Builder<String> builder =
        BuilderWithImmutableSorted.<String>builder();
    builder.sortedSetBuilder().add("is", "ea", "id");
    BuilderWithImmutableSorted<String> x = builder.build();
    assertThat(x.sortedSet()).containsExactly("ea", "id", "is").inOrder();
  }

  @Test
  public void testBuilderWithImmutableSorted_MapCollectionBuilder() {
    BuilderWithImmutableSorted.Builder<String> builder =
        BuilderWithImmutableSorted.<String>builder();
    builder.sortedMapBuilder().put("two", 2).put("one", 1);
    BuilderWithImmutableSorted<String> x = builder.build();
    assertThat(x.sortedMap()).containsExactly("one", 1, "two", 2).inOrder();
  }

  @AutoValue
  public abstract static class BuilderWithCollectionBuilderAndSetter<T extends Number> {
    public abstract ImmutableList<T> things();

    public static <T extends Number> Builder<T> builder() {
      return new AutoValue_AutoValueTest_BuilderWithCollectionBuilderAndSetter.Builder<T>();
    }

    @AutoValue.Builder
    public interface Builder<T extends Number> {
      Builder<T> setThings(List<T> things);

      ImmutableList<T> things();

      ImmutableList.Builder<T> thingsBuilder();

      BuilderWithCollectionBuilderAndSetter<T> build();
    }
  }

  @Test
  public void testBuilderAndSetterDefaultsEmpty() {
    BuilderWithCollectionBuilderAndSetter.Builder<Integer> builder =
        BuilderWithCollectionBuilderAndSetter.<Integer>builder();
    assertThat(builder.things()).isEmpty();
    assertThat(builder.build().things()).isEmpty();
  }

  @Test
  public void testBuilderAndSetterUsingBuilder() {
    BuilderWithCollectionBuilderAndSetter.Builder<Integer> builder =
        BuilderWithCollectionBuilderAndSetter.builder();
    builder.thingsBuilder().add(17, 23);
    BuilderWithCollectionBuilderAndSetter<Integer> x = builder.build();
    assertThat(x.things()).isEqualTo(ImmutableList.of(17, 23));
  }

  @Test
  public void testBuilderAndSetterUsingSetter() {
    ImmutableList<Integer> things = ImmutableList.of(17, 23);
    BuilderWithCollectionBuilderAndSetter.Builder<Integer> builder =
        BuilderWithCollectionBuilderAndSetter.<Integer>builder().setThings(things);
    assertThat(builder.things()).isSameInstanceAs(things);
    assertThat(builder.build().things()).isSameInstanceAs(things);

    List<Integer> moreThings = Arrays.asList(5, 17, 23);
    BuilderWithCollectionBuilderAndSetter.Builder<Integer> builder2 =
        BuilderWithCollectionBuilderAndSetter.<Integer>builder().setThings(moreThings);
    assertThat(builder2.things()).isEqualTo(moreThings);
    assertThat(builder2.build().things()).isEqualTo(moreThings);
  }

  @Test
  public void testBuilderAndSetterUsingSetterThenBuilder() {
    BuilderWithCollectionBuilderAndSetter.Builder<Integer> builder =
        BuilderWithCollectionBuilderAndSetter.builder();
    builder.setThings(ImmutableList.of(5));
    builder.thingsBuilder().add(17, 23);
    List<Integer> expectedThings = ImmutableList.of(5, 17, 23);
    assertThat(builder.things()).isEqualTo(expectedThings);
    assertThat(builder.build().things()).isEqualTo(expectedThings);
  }

  @Test
  public void testBuilderAndSetterCannotSetAfterBuilder() {
    BuilderWithCollectionBuilderAndSetter.Builder<Integer> builder =
        BuilderWithCollectionBuilderAndSetter.builder();
    builder.setThings(ImmutableList.of(5));
    builder.thingsBuilder().add(17, 23);
    try {
      builder.setThings(ImmutableList.of(1729));
      fail("Setting list after retrieving builder should provoke an exception");
    } catch (IllegalStateException e) {
      if (omitIdentifiers) {
        assertThat(e).hasMessageThat().isNull();
      } else {
        assertThat(e).hasMessageThat().isEqualTo("Cannot set things after calling thingsBuilder()");
      }
    }
  }

  abstract static class AbstractParentWithBuilder {
    abstract String foo();

    abstract static class Builder<B extends Builder<B>> {
      abstract B foo(String s);
    }
  }

  @AutoValue
  abstract static class ChildWithBuilder extends AbstractParentWithBuilder {
    abstract String bar();

    static Builder builder() {
      return new AutoValue_AutoValueTest_ChildWithBuilder.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder extends AbstractParentWithBuilder.Builder<Builder> {
      abstract Builder bar(String s);

      abstract ChildWithBuilder build();
    }
  }

  @Test
  public void testInheritedBuilder() {
    ChildWithBuilder x = ChildWithBuilder.builder().foo("foo").bar("bar").build();
    assertThat(x.foo()).isEqualTo("foo");
    assertThat(x.bar()).isEqualTo("bar");
  }

  @Retention(RetentionPolicy.RUNTIME)
  @interface GwtCompatible {
    boolean funky() default false;
  }

  @AutoValue
  @GwtCompatible(funky = true)
  abstract static class GwtCompatibleTest {
    abstract int foo();

    static GwtCompatibleTest create(int foo) {
      return new AutoValue_AutoValueTest_GwtCompatibleTest(foo);
    }
  }

  @AutoValue
  @GwtCompatible
  abstract static class GwtCompatibleTestNoArgs {
    abstract String bar();

    static GwtCompatibleTestNoArgs create(String bar) {
      return new AutoValue_AutoValueTest_GwtCompatibleTestNoArgs(bar);
    }
  }

  @Test
  public void testGwtCompatibleInherited() {
    GwtCompatibleTest test = GwtCompatibleTest.create(23);
    GwtCompatible gwtCompatible = test.getClass().getAnnotation(GwtCompatible.class);
    assertNotNull(gwtCompatible);
    assertTrue(gwtCompatible.funky());

    GwtCompatibleTestNoArgs testNoArgs = GwtCompatibleTestNoArgs.create("23");
    GwtCompatible gwtCompatibleNoArgs = testNoArgs.getClass().getAnnotation(GwtCompatible.class);
    assertNotNull(gwtCompatibleNoArgs);
    assertFalse(gwtCompatibleNoArgs.funky());
  }

  @interface NestedAnnotation {
    int anInt();

    Class<?>[] aClassArray();
  }

  @Retention(RetentionPolicy.RUNTIME)
  @interface HairyAnnotation {
    String aString();

    Class<? extends Number> aClass();

    RetentionPolicy anEnum();

    NestedAnnotation anAnnotation();
  }

  @Retention(RetentionPolicy.RUNTIME)
  @interface CopiedAnnotation {}

  @Retention(RetentionPolicy.RUNTIME)
  @interface ExcludedAnnotation {}

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @interface InheritedAnnotation {}

  @CopiedAnnotation
  @ExcludedAnnotation
  @InheritedAnnotation
  @AutoValue
  @AutoValue.CopyAnnotations(exclude = {ExcludedAnnotation.class})
  abstract static class CopyAnnotation {
    @HairyAnnotation(
        aString = "hello",
        aClass = Integer.class,
        anEnum = RetentionPolicy.RUNTIME,
        anAnnotation =
            @NestedAnnotation(
                anInt = 73,
                aClassArray = {String.class, Object.class}))
    abstract String field1();

    @CopiedAnnotation
    @ExcludedAnnotation
    @InheritedAnnotation
    @AutoValue.CopyAnnotations(exclude = {ExcludedAnnotation.class})
    abstract String field2();

    static CopyAnnotation create() {
      return new AutoValue_AutoValueTest_CopyAnnotation("field1", "field2");
    }
  }

  @Test
  public void testCopyClassAnnotations() throws Exception {
    CopyAnnotation x = CopyAnnotation.create();
    Class<?> c = x.getClass();
    assertNotSame(CopyAnnotation.class, c);

    // Sanity check: if these don't appear on CopyAnnotation, it makes no sense to assert that they
    // don't appear on the AutoValue_ subclass.
    {
      List<Class<? extends Annotation>> annotationsOnSuperclass =
          new ArrayList<Class<? extends Annotation>>();
      for (Annotation annotation : CopyAnnotation.class.getDeclaredAnnotations()) {
        annotationsOnSuperclass.add(annotation.annotationType());
      }
      assertThat(annotationsOnSuperclass)
          .containsAtLeast(
              CopiedAnnotation.class, ExcludedAnnotation.class, InheritedAnnotation.class);
    }

    {
      List<Class<? extends Annotation>> annotationsOnSubclass =
          new ArrayList<Class<? extends Annotation>>();
      for (Annotation annotation : c.getDeclaredAnnotations()) {
        annotationsOnSubclass.add(annotation.annotationType());
      }
      assertThat(annotationsOnSubclass).containsExactly(CopiedAnnotation.class);
    }
  }

  @Test
  public void testCopyMethodAnnotations() throws Exception {
    CopyAnnotation x = CopyAnnotation.create();
    Class<?> c = x.getClass();
    assertNotSame(CopyAnnotation.class, c);

    Method methodInSubclass = c.getDeclaredMethod("field2");
    Method methodInSuperclass = CopyAnnotation.class.getDeclaredMethod("field2");

    // Sanity check: if these don't appear on CopyAnnotation, it makes no sense to assert that they
    // don't appear on the AutoValue_ subclass.
    assertThat(methodInSuperclass.isAnnotationPresent(CopiedAnnotation.class)).isTrue();
    assertThat(methodInSuperclass.isAnnotationPresent(ExcludedAnnotation.class)).isTrue();
    assertThat(methodInSuperclass.isAnnotationPresent(InheritedAnnotation.class)).isTrue();

    assertThat(methodInSubclass.isAnnotationPresent(CopiedAnnotation.class)).isTrue();
    assertThat(methodInSubclass.isAnnotationPresent(ExcludedAnnotation.class)).isFalse();
    assertThat(methodInSubclass.isAnnotationPresent(InheritedAnnotation.class)).isTrue();
  }

  @Test
  public void testCopyMethodAnnotationsByDefault() throws Exception {
    CopyAnnotation x = CopyAnnotation.create();
    Class<?> c = x.getClass();
    assertNotSame(CopyAnnotation.class, c);
    Method methodInSubclass = c.getDeclaredMethod("field1");
    Method methodInSuperclass = CopyAnnotation.class.getDeclaredMethod("field1");
    assertNotSame(methodInSuperclass, methodInSubclass);
    HairyAnnotation annotationInSubclass = methodInSubclass.getAnnotation(HairyAnnotation.class);
    HairyAnnotation annotationInSuperclass =
        methodInSuperclass.getAnnotation(HairyAnnotation.class);
    assertEquals(annotationInSuperclass, annotationInSubclass);
  }

  @AutoValue
  abstract static class HProperty {
    public abstract Object h();

    public static HProperty create(Object h) {
      return new AutoValue_AutoValueTest_HProperty(h);
    }
  }

  @Test
  public void testHProperty() throws Exception {
    // Checks that we can have a property called `h`. The generated hashCode() method has
    // a local variable of that name and can cause the error `int cannot be dereferenced`
    HProperty.create(new Object());
  }

  interface Parent1 {
    int something();
  }

  interface Parent2 {
    int something();
  }

  @AutoValue
  abstract static class InheritSameMethodTwice implements Parent1, Parent2 {
    static InheritSameMethodTwice create(int something) {
      return new AutoValue_AutoValueTest_InheritSameMethodTwice(something);
    }
  }

  @Test
  public void testInheritSameMethodTwice() {
    InheritSameMethodTwice x = InheritSameMethodTwice.create(23);
    assertThat(x.something()).isEqualTo(23);
  }

  // Make sure we behave correctly when we inherit the same method definition from more than
  // one parent interface. We expect methods to appear in the order they are seen, with parents
  // preceding children, the superclass of a class preceding interfaces that class implements,
  // and an interface mentioned earlier in the "implements" clause preceding one mentioned later.
  // https://github.com/google/auto/issues/372
  interface OneTwoThreeFour {
    String one();

    String two();

    boolean three();

    long four();
  }

  interface TwoFour {
    String two();

    long four();
  }

  @AutoValue
  abstract static class OneTwoThreeFourImpl implements OneTwoThreeFour, TwoFour {
    static OneTwoThreeFourImpl create(String one, String two, boolean three, long four) {
      return new AutoValue_AutoValueTest_OneTwoThreeFourImpl(one, two, three, four);
    }
  }

  @Test
  public void testOneTwoThreeFour() {
    OneTwoThreeFour x = OneTwoThreeFourImpl.create("one", "two", false, 4);
    String expectedString =
        omitIdentifiers
            ? "{one, two, false, 4}"
            : "OneTwoThreeFourImpl{one=one, two=two, three=false, four=4}";
    assertThat(x.toString()).isEqualTo(expectedString);
  }

  @AutoValue
  abstract static class OuterWithBuilder {
    abstract String foo();

    abstract InnerWithBuilder inner();

    abstract Builder toBuilder();

    static Builder builder() {
      return new AutoValue_AutoValueTest_OuterWithBuilder.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder foo(String x);

      abstract Builder inner(InnerWithBuilder x);

      abstract InnerWithBuilder.Builder innerBuilder();

      abstract OuterWithBuilder build();
    }
  }

  @AutoValue
  abstract static class InnerWithBuilder {
    abstract int bar();

    abstract Builder toBuilder();

    static Builder builder() {
      return new AutoValue_AutoValueTest_InnerWithBuilder.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setBar(int x);

      abstract InnerWithBuilder build();
    }
  }

  @Test
  public void testBuilderWithinBuilder() {
    OuterWithBuilder x =
        OuterWithBuilder.builder()
            .inner(InnerWithBuilder.builder().setBar(23).build())
            .foo("yes")
            .build();
    String expectedStringX =
        omitIdentifiers
            ? "{yes, {23}}"
            : "OuterWithBuilder{foo=yes, inner=InnerWithBuilder{bar=23}}";
    assertThat(x.toString()).isEqualTo(expectedStringX);

    OuterWithBuilder.Builder xBuilder = x.toBuilder();
    xBuilder.innerBuilder().setBar(17);
    OuterWithBuilder y = xBuilder.build();
    String expectedStringY =
        omitIdentifiers
            ? "{yes, {17}}"
            : "OuterWithBuilder{foo=yes, inner=InnerWithBuilder{bar=17}}";
    assertThat(y.toString()).isEqualTo(expectedStringY);
  }

  public static class MyMap<K, V> extends HashMap<K, V> {
    private static final long serialVersionUID = 1L;

    public MyMap() {}

    public MyMap(Map<K, V> map) {
      super(map);
    }
  }

  public static class MyMapBuilder<K, V> extends LinkedHashMap<K, V> {
    private static final long serialVersionUID = 1L;

    public MyMapBuilder() {}

    public MyMapBuilder(Map<K, V> map) {
      super(map);
    }

    public MyMap<K, V> build() {
      return new MyMap<K, V>(this);
    }
  }

  @AutoValue
  abstract static class BuildMyMap<K, V> {
    abstract MyMap<K, V> map();

    abstract Builder<K, V> toBuilder();

    static <K, V> Builder<K, V> builder() {
      return new AutoValue_AutoValueTest_BuildMyMap.Builder<K, V>();
    }

    @AutoValue.Builder
    abstract static class Builder<K, V> {
      abstract MyMapBuilder<K, V> mapBuilder();

      abstract BuildMyMap<K, V> build();
    }
  }

  @Test
  public void testMyMapBuilder() {
    BuildMyMap.Builder<String, Integer> builder = BuildMyMap.builder();
    MyMapBuilder<String, Integer> mapBuilder = builder.mapBuilder();
    mapBuilder.put("23", 23);
    BuildMyMap<String, Integer> built = builder.build();
    assertThat(built.map()).containsExactly("23", 23);

    BuildMyMap.Builder<String, Integer> builder2 = built.toBuilder();
    MyMapBuilder<String, Integer> mapBuilder2 = builder2.mapBuilder();
    mapBuilder2.put("17", 17);
    BuildMyMap<String, Integer> built2 = builder2.build();
    assertThat(built2.map()).containsExactly("23", 23, "17", 17);
  }

  public static class MyStringMap<V> extends MyMap<String, V> {
    private static final long serialVersionUID = 1L;

    public MyStringMap() {}

    public MyStringMap(Map<String, V> map) {
      super(map);
    }

    public MyStringMapBuilder<V> toBuilder() {
      return new MyStringMapBuilder<V>(this);
    }
  }

  public static class MyStringMapBuilder<V> extends MyMapBuilder<String, V> {
    private static final long serialVersionUID = 1L;

    public MyStringMapBuilder() {}

    public MyStringMapBuilder(Map<String, V> map) {
      super(map);
    }

    @Override
    public MyStringMap<V> build() {
      return new MyStringMap<V>(this);
    }
  }

  @AutoValue
  abstract static class BuildMyStringMap<V> {
    abstract MyStringMap<V> map();

    abstract Builder<V> toBuilder();

    static <V> Builder<V> builder() {
      return new AutoValue_AutoValueTest_BuildMyStringMap.Builder<V>();
    }

    @AutoValue.Builder
    abstract static class Builder<V> {
      abstract MyStringMapBuilder<V> mapBuilder();

      abstract BuildMyStringMap<V> build();
    }
  }

  @Test
  public void testMyStringMapBuilder() {
    BuildMyStringMap.Builder<Integer> builder = BuildMyStringMap.builder();
    MyStringMapBuilder<Integer> mapBuilder = builder.mapBuilder();
    mapBuilder.put("23", 23);
    BuildMyStringMap<Integer> built = builder.build();
    assertThat(built.map()).containsExactly("23", 23);

    BuildMyStringMap.Builder<Integer> builder2 = built.toBuilder();
    MyStringMapBuilder<Integer> mapBuilder2 = builder2.mapBuilder();
    mapBuilder2.put("17", 17);
    BuildMyStringMap<Integer> built2 = builder2.build();
    assertThat(built2.map()).containsExactly("17", 17, "23", 23);
  }

  @AutoValue
  abstract static class BuilderOfManyAccessLevels {
    public abstract int publicGetterProtectedBuilderGetterPackageProtectedSetterInt();

    protected abstract int protectedGetterPackageProtectedBuilderGetterPublicSetterInt();

    abstract int packageProtectedGetterPublicBuilderGetterProtectedSetterInt();

    @AutoValue.Builder
    public abstract static class Builder {
      protected abstract int publicGetterProtectedBuilderGetterPackageProtectedSetterInt();

      abstract int protectedGetterPackageProtectedBuilderGetterPublicSetterInt();

      public abstract int packageProtectedGetterPublicBuilderGetterProtectedSetterInt();

      abstract Builder setPublicGetterProtectedBuilderGetterPackageProtectedSetterInt(int x);

      public abstract Builder setProtectedGetterPackageProtectedBuilderGetterPublicSetterInt(int x);

      protected abstract Builder setPackageProtectedGetterPublicBuilderGetterProtectedSetterInt(
          int x);

      public abstract BuilderOfManyAccessLevels build();
    }
  }

  @Test
  public void testBuilderOfManyAccessLevels_accessLevels() throws NoSuchMethodException {
    Class<?> builderClass = AutoValue_AutoValueTest_BuilderOfManyAccessLevels.Builder.class;

    testMethodAccess(
        Access.PROTECTED,
        builderClass,
        "publicGetterProtectedBuilderGetterPackageProtectedSetterInt");
    testMethodAccess(
        Access.PACKAGE,
        builderClass,
        "protectedGetterPackageProtectedBuilderGetterPublicSetterInt");
    testMethodAccess(
        Access.PUBLIC, builderClass, "packageProtectedGetterPublicBuilderGetterProtectedSetterInt");

    testMethodAccess(
        Access.PACKAGE,
        builderClass,
        "setPublicGetterProtectedBuilderGetterPackageProtectedSetterInt",
        int.class);
    testMethodAccess(
        Access.PUBLIC,
        builderClass,
        "setProtectedGetterPackageProtectedBuilderGetterPublicSetterInt",
        int.class);
    testMethodAccess(
        Access.PROTECTED,
        builderClass,
        "setPackageProtectedGetterPublicBuilderGetterProtectedSetterInt",
        int.class);
  }

  private enum Access {
    PRIVATE,
    PACKAGE,
    PROTECTED,
    PUBLIC
  }

  private static final ImmutableMap<Integer, Access> MODIFIER_BITS_TO_ACCESS =
      ImmutableMap.of(
          Modifier.PUBLIC,
          Access.PUBLIC,
          Modifier.PROTECTED,
          Access.PROTECTED,
          Modifier.PRIVATE,
          Access.PRIVATE,
          0,
          Access.PACKAGE);

  private static void testMethodAccess(
      Access expectedAccess, Class<?> clazz, String methodName, Class<?>... parameterTypes)
      throws NoSuchMethodException {
    Method method = clazz.getDeclaredMethod(methodName, parameterTypes);
    int modBits = method.getModifiers() & (Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE);
    Access actualAccess = MODIFIER_BITS_TO_ACCESS.get(modBits);
    assertWithMessage("Wrong access for %s", methodName)
        .that(actualAccess)
        .isEqualTo(expectedAccess);
  }

  static class VersionId {}

  static class ItemVersionId extends VersionId {}

  interface VersionedPersistent {
    VersionId getVersionId();
  }

  interface Item extends VersionedPersistent {
    @Override
    ItemVersionId getVersionId();
  }

  @AutoValue
  abstract static class FakeItem implements Item {
    static Builder builder() {
      return new AutoValue_AutoValueTest_FakeItem.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setVersionId(ItemVersionId x);

      abstract FakeItem build();
    }
  }

  @Test
  public void testParentInterfaceOverridesGrandparent() {
    ItemVersionId version = new ItemVersionId();
    FakeItem fakeItem = FakeItem.builder().setVersionId(version).build();
    assertThat(fakeItem.getVersionId()).isSameInstanceAs(version);
  }

  /** Fake ApkVersionCode class. */
  public static class ApkVersionCode {}

  /**
   * Illustrates a potential problem that showed up while generalizing builders. If our imports are
   * not accurate we may end up importing ImmutableList.Builder, which won't work because the
   * generated Builder subclass of ReleaseInfoBuilder will supersede it. Normally we wouldn't import
   * ImmutableList.Builder because the nested Builder class in the {@code @AutoValue} class would
   * prevent us trying. But in this case the nested class is called ReleaseInfoBuilder so we might
   * import anyway if we're not careful. This is one reason why we moved away from importing nested
   * classes to only importing top-level classes.
   */
  @AutoValue
  public abstract static class ReleaseInfo {
    public static ReleaseInfoBuilder newBuilder() {
      return new AutoValue_AutoValueTest_ReleaseInfo.Builder();
    }

    public abstract ImmutableList<ApkVersionCode> apkVersionCodes();

    ReleaseInfo() {}

    /** Notice that this is called ReleaseInfoBuilder and not Builder. */
    @AutoValue.Builder
    public abstract static class ReleaseInfoBuilder {
      public ReleaseInfoBuilder addApkVersionCode(ApkVersionCode code) {
        apkVersionCodesBuilder().add(code);
        return this;
      }

      abstract ImmutableList.Builder<ApkVersionCode> apkVersionCodesBuilder();

      public abstract ReleaseInfo build();
    }
  }

  @Test
  public void testUnusualBuilderName() {
    ApkVersionCode apkVersionCode = new ApkVersionCode();
    ReleaseInfo x = ReleaseInfo.newBuilder().addApkVersionCode(apkVersionCode).build();
    assertThat(x.apkVersionCodes()).containsExactly(apkVersionCode);
  }

  @AutoValue
  public abstract static class OuterWithDefaultableInner {
    public abstract ImmutableList<String> names();

    public abstract DefaultableInner inner();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_OuterWithDefaultableInner.Builder();
    }

    @AutoValue.Builder
    public abstract static class Builder {
      public abstract ImmutableList<String> names();

      public abstract ImmutableList.Builder<String> namesBuilder();

      public abstract DefaultableInner inner();

      public abstract DefaultableInner.Builder innerBuilder();

      public abstract OuterWithDefaultableInner build();
    }
  }

  @AutoValue
  public abstract static class DefaultableInner {
    public abstract int bar();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_DefaultableInner.Builder().setBar(23);
    }

    @AutoValue.Builder
    public abstract static class Builder {
      public abstract Builder setBar(int x);

      public abstract DefaultableInner build();
    }
  }

  @Test
  public void testOuterWithDefaultableInner_Defaults() {
    DefaultableInner defaultInner = DefaultableInner.builder().build();
    OuterWithDefaultableInner x = OuterWithDefaultableInner.builder().build();
    assertThat(x.names()).isEmpty();
    assertThat(x.inner()).isEqualTo(defaultInner);
  }

  @Test
  public void testOuterWithDefaultableInner_Getters() {
    DefaultableInner defaultInner = DefaultableInner.builder().build();

    OuterWithDefaultableInner.Builder builder = OuterWithDefaultableInner.builder();
    assertThat(builder.names()).isEmpty();
    assertThat(builder.inner()).isEqualTo(defaultInner);

    OuterWithDefaultableInner x1 = builder.build();
    assertThat(x1.names()).isEmpty();
    assertThat(x1.inner()).isEqualTo(defaultInner);

    builder.namesBuilder().add("Fred");
    builder.innerBuilder().setBar(17);
    OuterWithDefaultableInner x2 = builder.build();
    assertThat(x2.names()).containsExactly("Fred");
    assertThat(x2.inner().bar()).isEqualTo(17);
  }

  @AutoValue
  public abstract static class OuterWithNonDefaultableInner<T> {
    public abstract int foo();

    public abstract NonDefaultableInner<T> inner();

    public static <T> Builder<T> builder() {
      return new AutoValue_AutoValueTest_OuterWithNonDefaultableInner.Builder<T>();
    }

    @AutoValue.Builder
    public abstract static class Builder<T> {
      public abstract Builder<T> setFoo(int x);

      public abstract NonDefaultableInner.Builder<T> innerBuilder();

      public abstract OuterWithNonDefaultableInner<T> build();
    }
  }

  @AutoValue
  public abstract static class NonDefaultableInner<E> {
    public abstract E bar();

    public static <E> Builder<E> builder() {
      return new AutoValue_AutoValueTest_NonDefaultableInner.Builder<E>();
    }

    @AutoValue.Builder
    public abstract static class Builder<E> {
      public abstract Builder<E> setBar(E x);

      public abstract NonDefaultableInner<E> build();
    }
  }

  @Test
  public void testOuterWithNonDefaultableInner() {
    OuterWithNonDefaultableInner.Builder<String> builder = OuterWithNonDefaultableInner.builder();
    builder.setFoo(23);
    try {
      builder.build();
      fail("Did not get expected exception for unbuilt inner instance");
    } catch (IllegalStateException expected) {
    }
  }

  @SuppressWarnings("JavaLangClash")
  @AutoValue
  public abstract static class RedeclareJavaLangClasses {
    // If you really really want to do this, we have you covered.

    public static class Object {}

    public static class String {}

    public abstract Object alienObject();

    public abstract String alienString();

    public static Builder builder() {
      return new AutoValue_AutoValueTest_RedeclareJavaLangClasses.Builder();
    }

    @AutoValue.Builder
    public abstract static class Builder {
      public abstract Builder setAlienObject(Object x);

      public abstract Builder setAlienString(String x);

      public abstract RedeclareJavaLangClasses build();
    }
  }

  @Test
  public void testRedeclareJavaLangClasses() {
    RedeclareJavaLangClasses x =
        RedeclareJavaLangClasses.builder()
            .setAlienObject(new RedeclareJavaLangClasses.Object())
            .setAlienString(new RedeclareJavaLangClasses.String())
            .build();
    assertThat(x).isNotNull();
  }

  // b/28382293
  @AutoValue
  abstract static class GenericExtends {
    abstract ImmutableSet<Number> metrics();

    static Builder builder() {
      return new AutoValue_AutoValueTest_GenericExtends.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setMetrics(ImmutableSet<? extends Number> metrics);

      abstract GenericExtends build();
    }
  }

  @Test
  public void testGenericExtends() {
    ImmutableSet<Integer> ints = ImmutableSet.of(1, 2, 3);
    GenericExtends g = GenericExtends.builder().setMetrics(ints).build();
    assertThat(g.metrics()).isEqualTo(ints);
  }

  abstract static class Parent<T> {
    abstract List<T> getList();
  }

  @AutoValue
  abstract static class Child extends Parent<String> {
    static Builder builder() {
      return new AutoValue_AutoValueTest_Child.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setList(List<String> list);

      abstract Child build();
    }
  }

  @Test
  public void nonGenericExtendsGeneric() {
    List<String> list = ImmutableList.of("foo", "bar", "baz");
    Child child = Child.builder().setList(list).build();
    assertThat(child.getList()).containsExactlyElementsIn(list).inOrder();
  }

  abstract static class AbstractGenericParentWithBuilder<T> {
    abstract T foo();

    abstract static class Builder<T, B extends Builder<T, B>> {
      abstract B foo(T s);
    }
  }

  @AutoValue
  abstract static class ChildOfAbstractGenericParentWithBuilder<T>
      extends AbstractGenericParentWithBuilder<T> {
    static <T> Builder<T> builder() {
      return new AutoValue_AutoValueTest_ChildOfAbstractGenericParentWithBuilder.Builder<T>();
    }

    @AutoValue.Builder
    abstract static class Builder<T>
        extends AbstractGenericParentWithBuilder.Builder<T, Builder<T>> {
      abstract ChildOfAbstractGenericParentWithBuilder<T> build();
    }
  }

  @Test
  public void genericExtendsGeneric() {
    ChildOfAbstractGenericParentWithBuilder<String> child =
        ChildOfAbstractGenericParentWithBuilder.<String>builder().foo("foo").build();
    assertThat(child.foo()).isEqualTo("foo");
  }

  @SuppressWarnings("ClassCanBeStatic")
  static class OuterWithTypeParam<T extends Number> {
    class InnerWithTypeParam<U> {}

    class InnerWithoutTypeParam {}

    static class Nested {}
  }

  @AutoValue
  abstract static class Nesty {
    abstract OuterWithTypeParam<Double>.InnerWithTypeParam<String> innerWithTypeParam();

    abstract OuterWithTypeParam<Double>.InnerWithoutTypeParam innerWithoutTypeParam();

    abstract OuterWithTypeParam.Nested nested();

    static Builder builder() {
      return new AutoValue_AutoValueTest_Nesty.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder {
      abstract Builder setInnerWithTypeParam(
          OuterWithTypeParam<Double>.InnerWithTypeParam<String> x);

      abstract Builder setInnerWithoutTypeParam(OuterWithTypeParam<Double>.InnerWithoutTypeParam x);

      abstract Builder setNested(OuterWithTypeParam.Nested x);

      abstract Nesty build();
    }
  }

  @Test
  public void outerWithTypeParam() throws ReflectiveOperationException {
    @SuppressWarnings("UseDiamond") // Currently we compile this with -source 6 in the Eclipse test.
    OuterWithTypeParam<Double> outer = new OuterWithTypeParam<Double>();
    Nesty nesty =
        Nesty.builder()
            .setInnerWithTypeParam(outer.new InnerWithTypeParam<String>())
            .setInnerWithoutTypeParam(outer.new InnerWithoutTypeParam())
            .setNested(new OuterWithTypeParam.Nested())
            .build();
    Type originalReturnType =
        Nesty.class.getDeclaredMethod("innerWithTypeParam").getGenericReturnType();
    Type generatedReturnType =
        nesty.getClass().getDeclaredMethod("innerWithTypeParam").getGenericReturnType();
    assertThat(generatedReturnType).isEqualTo(originalReturnType);
    Type generatedBuilderParamType =
        Nesty.builder()
            .getClass()
            .getDeclaredMethod("setInnerWithTypeParam", OuterWithTypeParam.InnerWithTypeParam.class)
            .getGenericParameterTypes()[0];
    assertThat(generatedBuilderParamType).isEqualTo(originalReturnType);
  }

  @AutoValue
  abstract static class BuilderAnnotationsNotCopied {
    abstract String foo();

    static Builder builder() {
      return new AutoValue_AutoValueTest_BuilderAnnotationsNotCopied.Builder();
    }

    @AutoValue.Builder
    @MyAnnotation("thing")
    abstract static class Builder {
      abstract Builder setFoo(String x);

      abstract BuilderAnnotationsNotCopied build();
    }
  }

  @Test
  public void builderAnnotationsNotCopiedByDefault() {
    BuilderAnnotationsNotCopied.Builder builder = BuilderAnnotationsNotCopied.builder();
    assertThat(builder.getClass().getAnnotations()).isEmpty();
    assertThat(builder.setFoo("foo").build().foo()).isEqualTo("foo");
  }

  @AutoValue
  abstract static class BuilderAnnotationsCopied {
    abstract String foo();

    static Builder builder() {
      return new AutoValue_AutoValueTest_BuilderAnnotationsCopied.Builder();
    }

    @AutoValue.Builder
    @AutoValue.CopyAnnotations
    @MyAnnotation("thing")
    abstract static class Builder {
      abstract Builder setFoo(String x);

      abstract BuilderAnnotationsCopied build();
    }
  }

  @Test
  public void builderAnnotationsCopiedIfRequested() {
    BuilderAnnotationsCopied.Builder builder = BuilderAnnotationsCopied.builder();
    assertThat(builder.getClass().getAnnotations()).asList().containsExactly(myAnnotation("thing"));
    assertThat(builder.setFoo("foo").build().foo()).isEqualTo("foo");
  }

  @AutoValue
  @AutoValue.CopyAnnotations
  @SuppressWarnings({"rawtypes", "unchecked"}) // deliberately checking handling of raw types
  abstract static class DataWithSortedCollectionBuilders<K, V> {
    abstract ImmutableSortedMap<K, V> anImmutableSortedMap();

    abstract ImmutableSortedSet<V> anImmutableSortedSet();

    abstract ImmutableSortedMap<Integer, V> nonGenericImmutableSortedMap();

    abstract ImmutableSortedSet rawImmutableSortedSet();

    abstract DataWithSortedCollectionBuilders.Builder<K, V> toBuilder();

    static <K, V> DataWithSortedCollectionBuilders.Builder<K, V> builder() {
      return new AutoValue_AutoValueTest_DataWithSortedCollectionBuilders.Builder<K, V>();
    }

    @AutoValue.Builder
    abstract static class Builder<K, V> {
      abstract DataWithSortedCollectionBuilders.Builder<K, V> anImmutableSortedMap(
          SortedMap<K, V> anImmutableSortedMap);

      abstract ImmutableSortedMap.Builder<K, V> anImmutableSortedMapBuilder(
          Comparator<K> keyComparator);

      abstract DataWithSortedCollectionBuilders.Builder<K, V> anImmutableSortedSet(
          SortedSet<V> anImmutableSortedSet);

      abstract ImmutableSortedSet.Builder<V> anImmutableSortedSetBuilder(Comparator<V> comparator);

      abstract ImmutableSortedMap.Builder<Integer, V> nonGenericImmutableSortedMapBuilder(
          Comparator<Integer> keyComparator);

      abstract ImmutableSortedSet.Builder rawImmutableSortedSetBuilder(Comparator comparator);

      abstract DataWithSortedCollectionBuilders<K, V> build();
    }
  }

  @Test
  @SuppressWarnings({"rawtypes", "unchecked"}) // deliberately checking handling of raw types
  public void shouldGenerateBuildersWithComparators() {
    Comparator<String> stringComparator =
        new Comparator<String>() {
          @Override
          public int compare(String left, String right) {
            return left.compareTo(right);
          }
        };

    Comparator<Integer> intComparator =
        new Comparator<Integer>() {
          @Override
          public int compare(Integer o1, Integer o2) {
            return o1 - o2;
          }
        };

    Comparator comparator =
        new Comparator() {
          @Override
          public int compare(Object left, Object right) {
            return String.valueOf(left).compareTo(String.valueOf(right));
          }
        };

    AutoValueTest.DataWithSortedCollectionBuilders.Builder<String, Integer> builder =
        AutoValueTest.DataWithSortedCollectionBuilders.builder();

    builder
        .anImmutableSortedMapBuilder(stringComparator)
        .put("Charlie", 1)
        .put("Alfa", 2)
        .put("Bravo", 3);
    builder.anImmutableSortedSetBuilder(intComparator).add(1, 5, 9, 3);
    builder.nonGenericImmutableSortedMapBuilder(intComparator).put(9, 99).put(1, 11).put(3, 33);
    builder.rawImmutableSortedSetBuilder(comparator).add("Bravo", "Charlie", "Alfa");

    AutoValueTest.DataWithSortedCollectionBuilders<String, Integer> data = builder.build();

    AutoValueTest.DataWithSortedCollectionBuilders.Builder<String, Integer> copiedBuilder =
        data.toBuilder();
    AutoValueTest.DataWithSortedCollectionBuilders<String, Integer> copiedData =
        copiedBuilder.build();

    assertThat(data.anImmutableSortedMap().keySet())
        .containsExactly("Alfa", "Bravo", "Charlie")
        .inOrder();
    assertThat(data.anImmutableSortedSet()).containsExactly(1, 3, 5, 9).inOrder();
    assertThat(data.nonGenericImmutableSortedMap().keySet()).containsExactly(1, 3, 9).inOrder();
    assertThat(data.rawImmutableSortedSet()).containsExactly("Alfa", "Bravo", "Charlie").inOrder();

    assertThat(copiedData).isEqualTo(data);

    try {
      builder.anImmutableSortedMapBuilder(Ordering.from(stringComparator).reverse());
      fail("Calling property builder method a second time should have failed");
    } catch (IllegalStateException expected) {
    }
  }

  @AutoValue
  public abstract static class Stepped {
    public abstract String one();

    public abstract int two();

    public abstract double three();

    public interface StepOne<T> {
      StepTwo setOne(T x);
    }

    public interface StepTwo {
      StepThree setTwo(int x);
    }

    public interface StepThree {
      Stepped setThreeAndBuild(double x);
    }

    public static StepOne<String> builder() {
      return new AutoValue_AutoValueTest_Stepped.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder implements StepOne<String>, StepTwo, StepThree {
      abstract Builder setThree(double x);
      abstract Stepped build();

      @Override
      public Stepped setThreeAndBuild(double x) {
        return setThree(x).build();
      }
    }
  }

  @Test
  public void stepBuilder() {
    Stepped stepped = Stepped.builder().setOne("one").setTwo(2).setThreeAndBuild(3.0);
    assertThat(stepped.one()).isEqualTo("one");
    assertThat(stepped.two()).isEqualTo(2);
    assertThat(stepped.three()).isEqualTo(3.0);
  }

  // The code for tracking unset properties with bitmasks is fairly tricky. When there are many
  // properties, we use as many ints as needed to track which properties are still unset, with
  // 32 properties being tracked per int. So here we test @AutoValue classes with 31, 32, and 33
  // required properties, to catch problems at these edge values that we wouldn't see in our smaller
  // test classes.
  abstract static class Giant {
    abstract int x1();
    abstract int x2();
    abstract int x3();
    abstract int x4();
    abstract int x5();
    abstract int x6();
    abstract int x7();
    abstract int x8();
    abstract int x9();
    abstract int x10();
    abstract int x11();
    abstract int x12();
    abstract int x13();
    abstract int x14();
    abstract int x15();
    abstract int x16();
    abstract int x17();
    abstract int x18();
    abstract int x19();
    abstract int x20();
    abstract int x21();
    abstract int x22();
    abstract int x23();
    abstract int x24();
    abstract int x25();
    abstract int x26();
    abstract int x27();
    abstract int x28();
    abstract int x29();
    abstract int x30();
    abstract int x31();

    abstract static class Builder {
      abstract Builder x1(int x);
      abstract Builder x2(int x);
      abstract Builder x3(int x);
      abstract Builder x4(int x);
      abstract Builder x5(int x);
      abstract Builder x6(int x);
      abstract Builder x7(int x);
      abstract Builder x8(int x);
      abstract Builder x9(int x);
      abstract Builder x10(int x);
      abstract Builder x11(int x);
      abstract Builder x12(int x);
      abstract Builder x13(int x);
      abstract Builder x14(int x);
      abstract Builder x15(int x);
      abstract Builder x16(int x);
      abstract Builder x17(int x);
      abstract Builder x18(int x);
      abstract Builder x19(int x);
      abstract Builder x20(int x);
      abstract Builder x21(int x);
      abstract Builder x22(int x);
      abstract Builder x23(int x);
      abstract Builder x24(int x);
      abstract Builder x25(int x);
      abstract Builder x26(int x);
      abstract Builder x27(int x);
      abstract Builder x28(int x);
      abstract Builder x29(int x);
      abstract Builder x30(int x);
      abstract Builder x31(int x);

      Builder setFirst30() {
        return this.x1(1)
            .x2(2)
            .x3(3)
            .x4(4)
            .x5(5)
            .x6(6)
            .x7(7)
            .x8(8)
            .x9(9)
            .x10(10)
            .x11(11)
            .x12(12)
            .x13(13)
            .x14(14)
            .x15(15)
            .x16(16)
            .x17(17)
            .x18(18)
            .x19(19)
            .x20(20)
            .x21(21)
            .x22(22)
            .x23(23)
            .x24(24)
            .x25(25)
            .x26(26)
            .x27(27)
            .x28(28)
            .x29(29)
            .x30(30);
      }
    }
  }

  @AutoValue
  abstract static class Giant31 extends Giant {
    static Builder builder() {
      return new AutoValue_AutoValueTest_Giant31.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder extends Giant.Builder {
      abstract Giant31 build();
    }
  }

  @AutoValue
  abstract static class Giant32 extends Giant {
    abstract int x32();

    static Builder builder() {
      return new AutoValue_AutoValueTest_Giant32.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder extends Giant.Builder {
      abstract Builder x32(int x);
      abstract Giant32 build();
    }
  }

  @AutoValue
  abstract static class Giant33 extends Giant {
    abstract int x32();
    abstract int x33();

    static Builder builder() {
      return new AutoValue_AutoValueTest_Giant33.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder extends Giant.Builder {
      abstract Builder x32(int x);
      abstract Builder x33(int x);
      abstract Giant33 build();
    }
  }

  @Test
  public void testGiant31() {
    Giant31.Builder builder = Giant31.builder();
    builder.setFirst30();
    builder.x31(31);
    Giant31 giant = builder.build();
    assertThat(giant.x1()).isEqualTo(1);
    assertThat(giant.x31()).isEqualTo(31);

    builder = Giant31.builder();
    builder.setFirst30();
    try {
      builder.build();
      fail();
    } catch (IllegalStateException expected) {
      if (omitIdentifiers) {
        assertThat(expected).hasMessageThat().isNull();
      } else {
        assertThat(expected).hasMessageThat().contains("x31");
        assertThat(expected).hasMessageThat().doesNotContain("x30");
      }
    }
  }

  @Test
  public void testGiant32() {
    Giant32.Builder builder = Giant32.builder();
    builder.setFirst30();
    builder.x31(31);
    builder.x32(32);
    Giant32 giant = builder.build();
    assertThat(giant.x1()).isEqualTo(1);
    assertThat(giant.x31()).isEqualTo(31);

    builder = Giant32.builder();
    builder.setFirst30();
    try {
      builder.build();
      fail();
    } catch (IllegalStateException expected) {
      if (omitIdentifiers) {
        assertThat(expected).hasMessageThat().isNull();
      } else {
        assertThat(expected).hasMessageThat().contains("x31");
        assertThat(expected).hasMessageThat().contains("x32");
        assertThat(expected).hasMessageThat().doesNotContain("x30");
      }
    }
  }

  @Test
  public void testGiant33() {
    Giant33.Builder builder = Giant33.builder();
    builder.setFirst30();
    builder.x31(31);
    builder.x32(32);
    builder.x33(33);
    Giant33 giant = builder.build();
    assertThat(giant.x1()).isEqualTo(1);
    assertThat(giant.x31()).isEqualTo(31);
    assertThat(giant.x32()).isEqualTo(32);
    assertThat(giant.x33()).isEqualTo(33);

    builder = Giant33.builder();
    builder.setFirst30();
    try {
      builder.build();
      fail();
    } catch (IllegalStateException expected) {
      if (omitIdentifiers) {
        assertThat(expected).hasMessageThat().isNull();
      } else {
        assertThat(expected).hasMessageThat().contains("x31");
        assertThat(expected).hasMessageThat().contains("x32");
        assertThat(expected).hasMessageThat().contains("x33");
        assertThat(expected).hasMessageThat().doesNotContain("x30");
      }
    }
  }
}