android13/external/dagger2/javatests/dagger/functional/subcomponent/SubcomponentFactoryMethodTe...

75 lines
1.8 KiB
Java

/*
* Copyright (C) 2018 The Dagger Authors.
*
* 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 dagger.functional.subcomponent;
import static org.junit.Assert.fail;
import dagger.Component;
import dagger.Module;
import dagger.Provides;
import dagger.Subcomponent;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for subcomponent factory methods. */
@RunWith(JUnit4.class)
public final class SubcomponentFactoryMethodTest {
@Module
static class IntModule {
@Provides
int provideInt() {
return 42;
}
}
@Module
static class StringModule {
final String s;
StringModule(String s) {
this.s = s;
}
@Provides
String provideString(int i) {
return s + i;
}
}
@Component(modules = IntModule.class)
interface TestComponent {
TestSubcomponent newSubcomponent(StringModule stringModule);
}
@Subcomponent(modules = StringModule.class)
interface TestSubcomponent {
String string();
}
@Test
public void creatingSubcomponentViaFactoryMethod_failsForNullParameter() {
TestComponent component = DaggerSubcomponentFactoryMethodTest_TestComponent.create();
try {
component.newSubcomponent(null);
fail();
} catch (NullPointerException expected) {
}
}
}