| // Copyright (c) 2018, 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.annotations; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.NeverClassInline; |
| 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.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.lang.annotation.Annotation; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.lang.reflect.Method; |
| 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 AnnotationsOnTargetedMethodTest extends TestBase { |
| |
| private static final String expectedOutput = |
| StringUtils.lines( |
| "In InterfaceImpl.targetedMethod()", |
| "In OtherInterfaceImpl.targetedMethod()", |
| MyAnnotation.class.getName()); |
| |
| private static final String expectedOutputWithAnnotationRemoval = |
| StringUtils.lines( |
| "In InterfaceImpl.targetedMethod()", "In OtherInterfaceImpl.targetedMethod()"); |
| |
| private final boolean enableProguardCompatibilityMode; |
| private final boolean keepAllowShrinking; |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{2}, compat: {0}, keep: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), |
| BooleanUtils.values(), |
| getTestParameters().withAllRuntimesAndApiLevels().build()); |
| } |
| |
| public AnnotationsOnTargetedMethodTest( |
| boolean enableProguardCompatibilityMode, |
| boolean keepAllowShrinking, |
| TestParameters parameters) { |
| this.enableProguardCompatibilityMode = enableProguardCompatibilityMode; |
| this.keepAllowShrinking = keepAllowShrinking; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| // No need to run R8 compat mode with extra -keep,allowshrinking rule. |
| assumeTrue(!enableProguardCompatibilityMode || !keepAllowShrinking); |
| if (parameters.isCfRuntime()) { |
| testForJvm() |
| .addTestClasspath() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| testForR8Compat(parameters.getBackend(), enableProguardCompatibilityMode) |
| .addInnerClasses(AnnotationsOnTargetedMethodTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRuntimeVisibleAnnotations() |
| .applyIf( |
| keepAllowShrinking, |
| builder -> { |
| // Add extra rule to retain the annotation on Interface.targetedMethod() in non-compat |
| // mode. |
| assertFalse(enableProguardCompatibilityMode); // See assumeTrue() above. |
| builder.addKeepRules( |
| "-keepclassmembers,allowshrinking class " + Interface.class.getTypeName() + " {", |
| " void targetedMethod();", |
| "}"); |
| }) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .noMinification() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput( |
| !enableProguardCompatibilityMode && !keepAllowShrinking |
| ? expectedOutputWithAnnotationRemoval |
| : expectedOutput); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| test(new InterfaceImpl()); |
| test(new OtherInterfaceImpl()); |
| |
| Method method = Interface.class.getDeclaredMethods()[0]; |
| for (Annotation annotation : method.getAnnotations()) { |
| visitAnnotation((MyAnnotation) annotation); |
| } |
| } |
| |
| @NeverInline |
| private static void test(Interface obj) { |
| obj.targetedMethod(); |
| } |
| |
| @NeverInline |
| private static void visitAnnotation(MyAnnotation annotation) { |
| System.out.println(annotation.annotationType().getName()); |
| } |
| } |
| |
| @NoVerticalClassMerging |
| interface Interface { |
| |
| @NeverInline |
| @MyAnnotation |
| void targetedMethod(); |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| static class InterfaceImpl implements Interface { |
| |
| @NeverInline |
| @Override |
| public void targetedMethod() { |
| System.out.println("In InterfaceImpl.targetedMethod()"); |
| } |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| static class OtherInterfaceImpl implements Interface { |
| |
| @NeverInline |
| @Override |
| public void targetedMethod() { |
| System.out.println("In OtherInterfaceImpl.targetedMethod()"); |
| } |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.METHOD}) |
| @interface MyAnnotation {} |
| } |