| // Copyright (c) 2021, 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.interfaces; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isImplementing; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPackagePrivate; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.allOf; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| import com.android.tools.r8.NoMethodStaticizing; |
| 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 com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.HorizontallyMergedClassesInspector; |
| 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 IllegalOverrideAfterInterfaceMergingTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection parameters() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| HorizontallyMergedClassesInspector::assertNoClassesMerged) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNoMethodStaticizingAnnotations() |
| .enableNoUnusedInterfaceRemovalAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject iClassSubject = inspector.clazz(I.class); |
| assertThat(iClassSubject, isPresent()); |
| assertThat(iClassSubject.uniqueMethodWithOriginalName("m"), isAbsent()); |
| |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat(aClassSubject, isImplementing(iClassSubject)); |
| assertThat( |
| aClassSubject.uniqueMethodWithOriginalName("m"), |
| allOf(isPresent(), isPackagePrivate())); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.m()", "B.m()"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| new A().m(); |
| (System.currentTimeMillis() > 0 ? new B() : new C()).m(); |
| } |
| } |
| |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface I {} |
| |
| // Should not be merged into I, since I has a subclass with a package private method signature |
| // `void m()`. |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface J { |
| |
| void m(); |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| static class A implements I { |
| |
| // Intentionally package private. If J is merged into I then this is an illegal override of |
| // I.m(). |
| @NeverInline |
| @NoMethodStaticizing |
| void m() { |
| System.out.println("A.m()"); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| static class B implements J { |
| |
| @Override |
| public void m() { |
| System.out.println("B.m()"); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| static class C implements J { |
| |
| @Override |
| public void m() { |
| System.out.println("C.m()"); |
| } |
| } |
| } |