| // Copyright (c) 2019, 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.graph.initializedclasses; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class InitializedClassesInInstanceMethodsTest extends TestBase { |
| |
| private final boolean enableInitializedClassesInInstanceMethodsAnalysis; |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{1}, enabled: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), getTestParameters().withAllRuntimesAndApiLevels().build()); |
| } |
| |
| public InitializedClassesInInstanceMethodsTest( |
| boolean enableInitializedClassesInInstanceMethodsAnalysis, TestParameters parameters) { |
| this.enableInitializedClassesInInstanceMethodsAnalysis = |
| enableInitializedClassesInInstanceMethodsAnalysis; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InitializedClassesInInstanceMethodsTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addOptionsModification( |
| options -> { |
| options.enableInitializedClassesInInstanceMethodsAnalysis = |
| enableInitializedClassesInInstanceMethodsAnalysis; |
| }) |
| .allowAccessModification() |
| .enableNeverClassInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::verifyOutput) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| private void verifyOutput(CodeInspector inspector) { |
| ClassSubject outerClassSubject = inspector.clazz(Outer.class); |
| assertThat(outerClassSubject, isPresent()); |
| |
| // In any case, Outer.hello(), Outer.world(), and Outer.exclamationMark() should be inlined into |
| // the accessibility bridges. |
| assertThat(outerClassSubject.uniqueMethodWithOriginalName("hello"), not(isPresent())); |
| assertThat(outerClassSubject.uniqueMethodWithOriginalName("world"), not(isPresent())); |
| assertThat(outerClassSubject.uniqueMethodWithOriginalName("exclamationMark"), not(isPresent())); |
| |
| int numberOfExpectedAccessibilityBridges = 0; |
| assertEquals( |
| numberOfExpectedAccessibilityBridges, |
| outerClassSubject |
| .allMethods(method -> method.getOriginalName().contains("access$")) |
| .size()); |
| assertEquals( |
| !enableInitializedClassesInInstanceMethodsAnalysis, |
| outerClassSubject.uniqueFieldWithOriginalName("$r8$clinit").isPresent()); |
| |
| ClassSubject aClassSubject = inspector.clazz(Outer.A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat(aClassSubject.uniqueMethodWithOriginalName("hello"), isPresent()); |
| |
| ClassSubject bClassSubject = inspector.clazz(Outer.B.class); |
| assertThat(bClassSubject, isPresent()); |
| assertThat(bClassSubject.uniqueMethodWithOriginalName("world"), isPresent()); |
| |
| ClassSubject cClassSubject = inspector.clazz(C.class); |
| assertThat(cClassSubject, isPresent()); |
| assertThat(cClassSubject.uniqueMethodWithOriginalName("exclamationMark"), isPresent()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new Outer().test(); |
| } |
| } |
| |
| static class Outer { |
| |
| static { |
| // To ensure that we consider the class initialization of TestClass as having side effects. |
| System.out.print(""); |
| } |
| |
| public void test() { |
| new A().hello(); |
| new B().world(this); |
| new C().exclamationMark(this); |
| } |
| |
| private void hello() { |
| System.out.print("Hello"); |
| } |
| |
| private void world() { |
| System.out.print(" world"); |
| } |
| |
| private void exclamationMark() { |
| System.out.println("!"); |
| } |
| |
| @NeverClassInline |
| class A { |
| |
| @NeverInline |
| void hello() { |
| Outer.this.hello(); |
| } |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| static class B { |
| |
| @NeverInline |
| void world(Outer outer) { |
| outer.world(); |
| } |
| } |
| } |
| |
| @NeverClassInline |
| static class C { |
| |
| @NeverInline |
| void exclamationMark(Outer outer) { |
| outer.exclamationMark(); |
| } |
| } |
| } |