| // 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.shaking.clinit; |
| |
| 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.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 com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ClassInitializationTriggersIndirectInterfaceInitializationTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ClassInitializationTriggersIndirectInterfaceInitializationTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNoUnusedInterfaceRemovalAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject iClassSubject = inspector.clazz(I.class); |
| ClassSubject jClassSubject = inspector.clazz(J.class); |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| if (hasDefaultInterfaceMethodsSupport(parameters)) { |
| // Verify that I's class initializer is still present. |
| assertThat(iClassSubject, isPresent()); |
| assertThat(iClassSubject.clinit(), isPresent()); |
| |
| // Verify that J and A are pruned. |
| assertThat(jClassSubject, isAbsent()); |
| assertThat(aClassSubject, isAbsent()); |
| } else { |
| // All interfaces are gone and the default methods companion call is inlined. |
| assertThat(iClassSubject, isAbsent()); |
| assertThat(jClassSubject, isAbsent()); |
| assertThat(aClassSubject, isAbsent()); |
| } |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLinesIf( |
| hasDefaultInterfaceMethodsSupport(parameters), "I.<clinit>()", "I.m()") |
| .assertSuccessWithOutputLinesIf(!hasDefaultInterfaceMethodsSupport(parameters), "I.m()"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| new A().m(); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface I { |
| |
| Greeter greeter = new Greeter("I.<clinit>()"); |
| |
| // TODO(b/144266257): This should not require a @NeverInline annotation, since tree shaking |
| // should not be allowed to remove the default interface method if that could change interface |
| // initialization side effects. |
| @NeverInline |
| default void m() { |
| System.out.println("I.m()"); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| @NoUnusedInterfaceRemoval |
| @NoVerticalClassMerging |
| interface J extends I {} |
| |
| @NeverClassInline |
| static class A implements J {} |
| |
| static class Greeter { |
| |
| Greeter(String greeting) { |
| System.out.println(greeting); |
| } |
| } |
| } |