| // 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 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 org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| @RunWith(Parameterized.class) |
| public class KeepClassesWithAnnotatedFieldsTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public KeepClassesWithAnnotatedFieldsTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(KeepClassesWithAnnotatedFieldsTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| "-if class * { @" + typeName(MyAnnotation.class) + " <fields>; }", |
| "-keep class <1> { <init>(); }", |
| "-keepclassmembers class * {", |
| " @" + typeName(MyAnnotation.class) + " <fields>;", |
| "}") |
| .enableInliningAnnotations() |
| .enableMemberValuePropagationAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) throws Exception { |
| DataClass obj = (DataClass) getDataClass().getDeclaredConstructor().newInstance(); |
| setField(obj, "Hello world!"); |
| System.out.println(obj.field); |
| } |
| |
| @NeverInline |
| @NeverPropagateValue |
| static Class<?> getDataClass() { |
| return DataClass.class; |
| } |
| |
| @NeverInline |
| static void setField(Object object, String value) throws Exception { |
| getDataClass().getDeclaredField("field").set(object, value); |
| } |
| } |
| |
| static class DataClass { |
| |
| @MyAnnotation |
| String field; |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.FIELD) |
| @interface MyAnnotation {} |
| } |