| // 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.dispatch; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoParameterTypeStrengthening; |
| import com.android.tools.r8.NoVerticalClassMerging; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.classmerging.horizontal.HorizontalClassMergingTestBase; |
| import org.junit.Test; |
| |
| public class OverrideMergeAbsentTest extends HorizontalClassMergingTestBase { |
| public OverrideMergeAbsentTest(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoParameterTypeStrengtheningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> { |
| if (parameters.canUseDefaultAndStaticInterfaceMethods()) { |
| inspector.assertNoClassesMerged(); |
| } else { |
| // When desugaring B.m is moved and A and B can be merged. |
| inspector.assertIsCompleteMergeGroup(A.class, B.class); |
| } |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A", "B", "A", "J") |
| .inspect( |
| codeInspector -> { |
| assertThat(codeInspector.clazz(J.class), isPresent()); |
| assertThat(codeInspector.clazz(A.class), isPresent()); |
| assertThat( |
| codeInspector.clazz(B.class), |
| parameters.canUseDefaultAndStaticInterfaceMethods() ? isPresent() : isAbsent()); |
| assertThat(codeInspector.clazz(C.class), isPresent()); |
| }); |
| } |
| |
| @NeverClassInline |
| public static class A { |
| public A() { |
| System.out.println("A"); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| @NeverInline |
| public void m() { |
| System.out.println("B"); |
| } |
| } |
| |
| @NoVerticalClassMerging |
| interface J { |
| @NeverInline |
| default void m() { |
| System.out.println("J"); |
| } |
| } |
| |
| @NeverClassInline |
| public static class C extends A implements J {} |
| |
| public static class Main { |
| @NeverInline |
| public static void doI(@NoParameterTypeStrengthening J i) { |
| i.m(); |
| } |
| |
| public static void main(String[] args) { |
| new A(); |
| new B().m(); |
| doI(new C()); |
| } |
| } |
| } |