| // 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.ifrule; |
| |
| |
| 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.NeverInline; |
| import com.android.tools.r8.NeverPropagateValue; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class KeepClassesWithAnnotatedFieldsReferencedFromGetterTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public KeepClassesWithAnnotatedFieldsReferencedFromGetterTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(KeepClassesWithAnnotatedFieldsReferencedFromGetterTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| "-if class *", |
| "-keepclasseswithmembers class <1> {", |
| " <init>(...);", |
| " @" + typeName(MyAnnotation.class) + " <fields>;", |
| "}") |
| .enableInliningAnnotations() |
| .enableMemberValuePropagationAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| assertThat(inspector.clazz(LiveDataClass.class), isPresent()); |
| assertThat(inspector.clazz(DeadDataClass.class), not(isPresent())); |
| }) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) throws Exception { |
| LiveDataClass obj = (LiveDataClass) getDataClass().getDeclaredConstructor().newInstance(); |
| setField(obj, "Hello world!"); |
| System.out.println(obj.getField()); |
| } |
| |
| @NeverInline |
| @NeverPropagateValue |
| static Class<?> getDataClass() { |
| return LiveDataClass.class; |
| } |
| |
| @NeverInline |
| static void setField(Object object, String value) throws Exception { |
| getDataClass().getDeclaredField("field").set(object, value); |
| } |
| } |
| |
| static class LiveDataClass { |
| |
| @MyAnnotation String field; |
| |
| String getField() { |
| return field; |
| } |
| } |
| |
| static class DeadDataClass { |
| |
| @MyAnnotation String field; |
| |
| String getField() { |
| return field; |
| } |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.FIELD) |
| @interface MyAnnotation {} |
| } |