1 /*
2  * Copyright (C) 2022 The Dagger Authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package dagger.functional.kotlinsrc.builder
18 
19 import com.google.common.truth.Truth.assertThat
20 import dagger.Component
21 import org.junit.Test
22 import org.junit.runner.RunWith
23 import org.junit.runners.JUnit4
24 
25 @RunWith(JUnit4::class)
26 class BuildMethodCovariantReturnTest {
27   @Component
28   internal interface C {
29     @Component.Builder
30     interface Builder {
31       // Tests that the return type can be a super type of the component
buildnull32       fun build(): Any
33     }
34   }
35 
36   @Test
37   fun componentTest() {
38     val component = DaggerBuildMethodCovariantReturnTest_C.builder().build()
39     assertThat(component).isInstanceOf(C::class.java)
40   }
41 }
42