| // 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.classmerging.horizontal; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoUnusedInterfaceRemoval; |
| import com.android.tools.r8.NoVerticalClassMerging; |
| import com.android.tools.r8.TestParameters; |
| import org.junit.Test; |
| |
| public class PrivateAndInterfaceMethodCollisionTest extends HorizontalClassMergingTestBase { |
| |
| public PrivateAndInterfaceMethodCollisionTest(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| i -> { |
| if (parameters.canUseDefaultAndStaticInterfaceMethods()) { |
| i.assertClassesMerged(); |
| } else { |
| // With default method desugaring all uses of J::foo are eliminated so A and B |
| // merge. |
| i.assertIsCompleteMergeGroup(A.class, B.class); |
| } |
| }) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoUnusedInterfaceRemovalAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.foo()", "B.bar()", "J.foo()"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| new A().foo(); |
| new B().bar(); |
| new C().foo(); |
| } |
| } |
| |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface J { |
| |
| @NeverInline |
| default void foo() { |
| System.out.println("J.foo()"); |
| } |
| } |
| |
| @NeverClassInline |
| static class A { |
| |
| @NeverInline |
| private void foo() { |
| System.out.println("A.foo()"); |
| } |
| } |
| |
| @NoVerticalClassMerging |
| static class B { |
| |
| // Only here to make sure that B is not made abstract as a result of tree shaking. |
| @NeverInline |
| public void bar() { |
| System.out.println("B.bar()"); |
| } |
| } |
| |
| @NeverClassInline |
| static class C extends B implements J {} |
| } |