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// Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.naming;
import com.android.tools.r8.CompilationFailedException;
import com.android.tools.r8.NoVerticalClassMerging;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
public class IntersectionLambdaTest extends TestBase {
private static final String[] EXPECTED = new String[] {"Lambda.foo", "J.bar", "K.baz"};
private final TestParameters parameters;
@Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withAllRuntimesAndApiLevels().build();
}
public IntersectionLambdaTest(TestParameters parameters) {
this.parameters = parameters;
}
@Test
public void testRuntime() throws IOException, CompilationFailedException, ExecutionException {
testForRuntime(parameters)
.addInnerClasses(IntersectionLambdaTest.class)
.run(parameters.getRuntime(), Main.class)
.assertSuccessWithOutputLines(EXPECTED);
}
@Test
public void testR8() throws IOException, CompilationFailedException, ExecutionException {
testForR8(parameters.getBackend())
.addInnerClasses(IntersectionLambdaTest.class)
.enableNoVerticalClassMergingAnnotations()
.addKeepMainRule(Main.class)
.setMinApi(parameters.getApiLevel())
.run(parameters.getRuntime(), Main.class)
.assertSuccessWithOutputLines(EXPECTED);
}
@FunctionalInterface
@NoVerticalClassMerging
public interface I {
void foo();
}
public interface J {
default void bar() {
System.out.println("J.bar");
}
}
public interface K {
default void baz() {
System.out.println("K.baz");
}
}
public static class Main {
public static void main(String[] args) {
callI((I & J & K) () -> System.out.println("Lambda.foo"));
}
private static void callI(I i) {
i.foo();
((J) i).bar();
((K) i).baz();
}
}
}