| // 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.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 AbstractMethodWithSuperMethodMergingTest 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()) |
| .addKeepMainRule(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> inspector.assertIsCompleteMergeGroup(B1.class, B2.class)) |
| .enableInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccess(); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| boolean unknownButAlwaysTrue = System.currentTimeMillis() > 0; |
| B1 c1 = unknownButAlwaysTrue ? new C1() : new C2(); |
| C3 c3 = unknownButAlwaysTrue ? new C3() : null; |
| System.out.println(c1.foo()); |
| System.out.println(c3.foo()); |
| } |
| } |
| |
| abstract static class A { |
| |
| public int foo() { |
| return 0; |
| } |
| } |
| |
| @NoVerticalClassMerging |
| abstract static class B1 extends A { |
| |
| @Override |
| public abstract int foo(); |
| } |
| |
| @NoVerticalClassMerging |
| abstract static class B2 extends A {} |
| |
| @NoHorizontalClassMerging |
| static class C1 extends B1 { |
| |
| @Override |
| @NeverInline |
| public int foo() { |
| return System.identityHashCode(this); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| static class C2 extends B1 { |
| |
| @Override |
| @NeverInline |
| public int foo() { |
| return System.identityHashCode(this); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| static class C3 extends B2 {} |
| } |