xref: /aosp_15_r20/external/dagger2/javatests/dagger/producers/internal/MapProducerTest.java (revision f585d8a307d0621d6060bd7e80091fdcbf94fe27)
1*f585d8a3SJacky Wang /*
2*f585d8a3SJacky Wang  * Copyright (C) 2016 The Dagger Authors.
3*f585d8a3SJacky Wang  *
4*f585d8a3SJacky Wang  * Licensed under the Apache License, Version 2.0 (the "License");
5*f585d8a3SJacky Wang  * you may not use this file except in compliance with the License.
6*f585d8a3SJacky Wang  * You may obtain a copy of the License at
7*f585d8a3SJacky Wang  *
8*f585d8a3SJacky Wang  * http://www.apache.org/licenses/LICENSE-2.0
9*f585d8a3SJacky Wang  *
10*f585d8a3SJacky Wang  * Unless required by applicable law or agreed to in writing, software
11*f585d8a3SJacky Wang  * distributed under the License is distributed on an "AS IS" BASIS,
12*f585d8a3SJacky Wang  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*f585d8a3SJacky Wang  * See the License for the specific language governing permissions and
14*f585d8a3SJacky Wang  * limitations under the License.
15*f585d8a3SJacky Wang  */
16*f585d8a3SJacky Wang 
17*f585d8a3SJacky Wang package dagger.producers.internal;
18*f585d8a3SJacky Wang 
19*f585d8a3SJacky Wang import static com.google.common.truth.Truth.assertThat;
20*f585d8a3SJacky Wang import static org.junit.Assert.fail;
21*f585d8a3SJacky Wang 
22*f585d8a3SJacky Wang import dagger.producers.Producer;
23*f585d8a3SJacky Wang import dagger.producers.Producers;
24*f585d8a3SJacky Wang import java.util.Map;
25*f585d8a3SJacky Wang import java.util.concurrent.ExecutionException;
26*f585d8a3SJacky Wang import org.junit.Test;
27*f585d8a3SJacky Wang import org.junit.runner.RunWith;
28*f585d8a3SJacky Wang import org.junit.runners.JUnit4;
29*f585d8a3SJacky Wang 
30*f585d8a3SJacky Wang @RunWith(JUnit4.class)
31*f585d8a3SJacky Wang public final class MapProducerTest {
32*f585d8a3SJacky Wang   @Test
success()33*f585d8a3SJacky Wang   public void success() throws Exception {
34*f585d8a3SJacky Wang     Producer<Map<Integer, String>> mapProducer =
35*f585d8a3SJacky Wang         MapProducer.<Integer, String>builder(2)
36*f585d8a3SJacky Wang             .put(15, Producers.immediateProducer("fifteen"))
37*f585d8a3SJacky Wang             .put(42, Producers.immediateProducer("forty two"))
38*f585d8a3SJacky Wang             .build();
39*f585d8a3SJacky Wang     Map<Integer, String> map = mapProducer.get().get();
40*f585d8a3SJacky Wang     assertThat(map).hasSize(2);
41*f585d8a3SJacky Wang     assertThat(map).containsEntry(15, "fifteen");
42*f585d8a3SJacky Wang     assertThat(map).containsEntry(42, "forty two");
43*f585d8a3SJacky Wang   }
44*f585d8a3SJacky Wang 
45*f585d8a3SJacky Wang   @Test
failingContribution()46*f585d8a3SJacky Wang   public void failingContribution() throws Exception {
47*f585d8a3SJacky Wang     RuntimeException cause = new RuntimeException("monkey");
48*f585d8a3SJacky Wang     Producer<Map<Integer, String>> mapProducer =
49*f585d8a3SJacky Wang         MapProducer.<Integer, String>builder(2)
50*f585d8a3SJacky Wang             .put(15, Producers.immediateProducer("fifteen"))
51*f585d8a3SJacky Wang             // TODO(ronshapiro): remove the type parameter when we drop java7 support
52*f585d8a3SJacky Wang             .put(42, Producers.<String>immediateFailedProducer(cause))
53*f585d8a3SJacky Wang             .build();
54*f585d8a3SJacky Wang     try {
55*f585d8a3SJacky Wang       mapProducer.get().get();
56*f585d8a3SJacky Wang       fail();
57*f585d8a3SJacky Wang     } catch (ExecutionException e) {
58*f585d8a3SJacky Wang       assertThat(e).hasCauseThat().isSameInstanceAs(cause);
59*f585d8a3SJacky Wang     }
60*f585d8a3SJacky Wang   }
61*f585d8a3SJacky Wang }
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