| // 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 com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.shaking.enums.EnumInAnnotationTest.MyAnnotation; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.AnnotationSubject; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| 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 AlwaysRetainRetentionAnnotationTest extends TestBase { |
| |
| 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 AlwaysRetainRetentionAnnotationTest( |
| boolean enableProguardCompatibilityMode, |
| boolean keepAllowShrinking, |
| TestParameters parameters) { |
| this.enableProguardCompatibilityMode = enableProguardCompatibilityMode; |
| this.keepAllowShrinking = keepAllowShrinking; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| assumeTrue(!enableProguardCompatibilityMode || !keepAllowShrinking); |
| testForR8Compat(parameters.getBackend(), enableProguardCompatibilityMode) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRuntimeVisibleAnnotations() |
| .applyIf( |
| keepAllowShrinking, |
| builder -> { |
| assertFalse(enableProguardCompatibilityMode); |
| builder.addKeepRules( |
| "-keep,allowshrinking,allowobfuscation class " |
| + MyAnnotation.class.getTypeName()); |
| }) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject annotationClassSubject = inspector.clazz(MyAnnotation.class); |
| assertThat(annotationClassSubject, isPresent()); |
| |
| AnnotationSubject retentionAnnotationSubject = |
| annotationClassSubject.annotation(Retention.class.getTypeName()); |
| assertThat(retentionAnnotationSubject, isPresent()); |
| |
| AnnotationSubject targetAnnotationSubject = |
| annotationClassSubject.annotation(Target.class.getTypeName()); |
| assertThat(targetAnnotationSubject, isPresent()); |
| |
| AnnotationSubject myAnnotationAnnotationSubject = |
| annotationClassSubject.annotation(MyAnnotation.class.getTypeName()); |
| assertThat(myAnnotationAnnotationSubject, isPresent()); |
| }) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("3"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(MyAnnotation.class.getAnnotations().length); |
| } |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.TYPE}) |
| @MyAnnotation |
| @interface MyAnnotation {} |
| } |