| // 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.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.io.IOException; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| 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 AnnotationShakingBehaviorTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public AnnotationShakingBehaviorTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testKeepUnusedTypeInAnnotation() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Factory.class, Main.class, C.class) |
| .addKeepMainRule(Main.class) |
| .addKeepClassAndMembersRules(Factory.class) |
| .addKeepAttributes("*Annotation*") |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!") |
| .inspect(inspector -> assertThat(inspector.clazz(C.class), isPresent())); |
| } |
| |
| @Test |
| public void testWillKeepAnnotatedProgramClass() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Factory.class, MainWithMethodAnnotation.class, C.class) |
| .addKeepMainRule(MainWithMethodAnnotation.class) |
| .addKeepClassAndMembersRules(Factory.class) |
| .addKeepAttributes("*Annotation*") |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), MainWithMethodAnnotation.class) |
| .assertSuccessWithOutputLines("Hello World!") |
| .inspect(inspector -> assertThat(inspector.clazz(C.class), isPresent())); |
| } |
| |
| @Test |
| public void testGenericSignatureDoNotKeepType() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(MainWithGenericC.class, C.class) |
| .addKeepMainRule(MainWithGenericC.class) |
| .addKeepAttributes("Signature", "InnerClasses", "EnclosingMethod") |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), MainWithGenericC.class) |
| .assertSuccessWithOutputLines("Hello World!") |
| .inspect( |
| inspector -> { |
| assertThat(inspector.clazz(C.class), not(isPresent())); |
| }); |
| } |
| |
| @Test |
| public void testDisappearsWhenMerging() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Factory.class, MainWithNewB.class, A.class, B.class, C.class) |
| .addKeepMainRule(MainWithNewB.class) |
| .addKeepClassAndMembersRules(Factory.class) |
| .addKeepAttributes("*Annotation*") |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), MainWithNewB.class) |
| .assertSuccessWithOutputLines("Hello World!") |
| .inspect( |
| inspector -> { |
| assertThat(inspector.clazz(C.class), not(isPresent())); |
| }); |
| } |
| |
| @Retention(value = RetentionPolicy.RUNTIME) |
| public @interface Factory { |
| Class<?> ref() default Object.class; |
| } |
| |
| public static class C {} |
| |
| @Factory(ref = C.class) // <-- we are explicitly keeping Main. |
| public static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println("Hello World!"); |
| } |
| } |
| |
| public static class MainWithMethodAnnotation { |
| |
| public static void main(String[] args) { |
| test(); |
| } |
| |
| @Factory(ref = C.class) // <-- We are not explicitly saying that test() should be kept. |
| @NeverInline |
| public static void test() { |
| System.out.println("Hello World!"); |
| } |
| } |
| |
| public static class MainWithGenericC { |
| |
| static List<C> cs = new ArrayList<>(); |
| |
| public static void main(String[] args) { |
| if (cs.size() == args.length) { |
| System.out.println("Hello World!"); |
| } |
| } |
| } |
| |
| @Factory(ref = C.class) |
| public static class A {} |
| |
| @NeverClassInline |
| public static class B extends A { |
| @NeverInline |
| public void world() { |
| System.out.println("Hello World!"); |
| } |
| } |
| |
| public static class MainWithNewB { |
| |
| public static void main(String[] args) { |
| new B().world(); |
| } |
| } |
| } |