| // Copyright (c) 2022, 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.classmerging.horizontal; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| import com.android.tools.r8.NoUnusedInterfaceRemoval; |
| 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 org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class DefaultInterfaceMethodCollisionAfterClassMergingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepClassAndMembersRules(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> |
| inspector.applyIf( |
| !parameters.canUseDefaultAndStaticInterfaceMethods(), |
| i -> |
| i.assertIsCompleteMergeGroup(A.class, B.class) |
| .assertNoOtherClassesMerged())) |
| .enableInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNoUnusedInterfaceRemovalAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("I", "J"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| test(new A()); |
| test(new B()); |
| } |
| |
| // @Keep |
| static void test(I i) { |
| i.m(); |
| } |
| |
| // @Keep |
| static void test(J j) { |
| j.m(); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface I { |
| |
| @NeverInline |
| default void m() { |
| System.out.println("I"); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface J { |
| |
| @NeverInline |
| default void m() { |
| System.out.println("J"); |
| } |
| } |
| |
| static class A implements I {} |
| |
| static class B implements J {} |
| } |