| // Copyright (c) 2024, 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.keepanno; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndNotRenamed; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.keepanno.annotations.AnnotationPattern; |
| import com.android.tools.r8.keepanno.annotations.ClassNamePattern; |
| import com.android.tools.r8.keepanno.annotations.KeepItemKind; |
| import com.android.tools.r8.keepanno.annotations.KeepTarget; |
| import com.android.tools.r8.keepanno.annotations.UsedByReflection; |
| import com.android.tools.r8.keepanno.annotations.UsesReflection; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.lang.reflect.Field; |
| 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.Parameter; |
| |
| @RunWith(Parameterized.class) |
| public class MembersAnnotatedByPatternsTest extends KeepAnnoTestBase { |
| |
| static final String EXPECTED = StringUtils.lines("b", "bar", "a", "foo"); |
| |
| @Parameter public KeepAnnoParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static List<KeepAnnoParameters> data() { |
| return createParameters( |
| getTestParameters().withDefaultRuntimes().withApiLevel(AndroidApiLevel.B).build()); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForKeepAnno(parameters) |
| .enableNativeInterpretation() |
| .addProgramClasses(getInputClasses()) |
| .setExcludedOuterClass(getClass()) |
| .run(TestClass.class) |
| .assertSuccessWithOutput(EXPECTED) |
| .applyIf(parameters.isShrinker(), r -> r.inspect(this::checkOutput)); |
| } |
| |
| public List<Class<?>> getInputClasses() { |
| return ImmutableList.of( |
| TestClass.class, |
| Reflector.class, |
| A.class, |
| B.class, |
| C.class, |
| OnMembers.class, |
| OnFields.class, |
| OnMethods.class); |
| } |
| |
| private void checkOutput(CodeInspector inspector) { |
| // The class constant use will ensure the annotation remains. |
| assertThat(inspector.clazz(A.class), isPresentAndRenamed()); |
| |
| ClassSubject onMembers = inspector.clazz(OnMembers.class); |
| assertThat(onMembers.uniqueFieldWithOriginalName("a"), isAbsent()); |
| assertThat(onMembers.uniqueFieldWithOriginalName("b"), isPresentAndNotRenamed()); |
| assertThat(onMembers.uniqueMethodWithOriginalName("foo"), isAbsent()); |
| assertThat(onMembers.uniqueMethodWithOriginalName("bar"), isPresentAndNotRenamed()); |
| |
| ClassSubject onFields = inspector.clazz(OnFields.class); |
| assertThat(onFields.uniqueFieldWithOriginalName("a"), isPresentAndNotRenamed()); |
| assertThat(onFields.uniqueFieldWithOriginalName("b"), isAbsent()); |
| assertThat(onFields.uniqueMethodWithOriginalName("foo"), isAbsent()); |
| assertThat(onFields.uniqueMethodWithOriginalName("bar"), isAbsent()); |
| |
| ClassSubject onMethods = inspector.clazz(OnMethods.class); |
| assertThat(onMethods.uniqueFieldWithOriginalName("a"), isAbsent()); |
| assertThat(onMethods.uniqueFieldWithOriginalName("b"), isAbsent()); |
| assertThat(onMethods.uniqueMethodWithOriginalName("foo"), isPresentAndNotRenamed()); |
| assertThat(onMethods.uniqueMethodWithOriginalName("bar"), isAbsent()); |
| } |
| |
| @Target({ElementType.FIELD, ElementType.METHOD}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface A {} |
| |
| @Target({ElementType.FIELD}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface B {} |
| |
| @Target({ElementType.METHOD}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface C {} |
| |
| static class Reflector { |
| |
| @UsesReflection({ |
| @KeepTarget( |
| classConstant = OnMembers.class, |
| kind = KeepItemKind.CLASS_AND_MEMBERS, |
| memberAnnotatedByClassConstant = A.class, |
| constrainAnnotations = @AnnotationPattern(constant = A.class)), |
| @KeepTarget( |
| classConstant = OnFields.class, |
| kind = KeepItemKind.CLASS_AND_FIELDS, |
| fieldAnnotatedByClassName = |
| "com.android.tools.r8.keepanno.MembersAnnotatedByPatternsTest$B", |
| constrainAnnotations = |
| @AnnotationPattern( |
| name = "com.android.tools.r8.keepanno.MembersAnnotatedByPatternsTest$B")), |
| @KeepTarget( |
| classConstant = OnMethods.class, |
| kind = KeepItemKind.CLASS_AND_METHODS, |
| methodAnnotatedByClassNamePattern = |
| @ClassNamePattern(simpleName = "MembersAnnotatedByPatternsTest$C"), |
| constrainAnnotations = |
| @AnnotationPattern( |
| namePattern = @ClassNamePattern(simpleName = "MembersAnnotatedByPatternsTest$C"))) |
| }) |
| public void foo(Class<?> clazz) throws Exception { |
| for (Field field : clazz.getDeclaredFields()) { |
| if (field.isAnnotationPresent(A.class) || field.isAnnotationPresent(B.class)) { |
| System.out.println(field.getName()); |
| } |
| } |
| for (Method method : clazz.getDeclaredMethods()) { |
| if (method.isAnnotationPresent(A.class) || method.isAnnotationPresent(C.class)) { |
| System.out.println(method.getName()); |
| } |
| } |
| } |
| } |
| |
| static class OnMembers { |
| int a; |
| |
| @A int b; |
| |
| void foo() {} |
| |
| @A |
| void bar() {} |
| } |
| |
| static class OnFields { |
| @B int a; |
| |
| int b; |
| |
| void foo() {} |
| |
| void bar() {} |
| } |
| |
| static class OnMethods { |
| int a; |
| |
| int b; |
| |
| @C |
| void foo() {} |
| |
| void bar() {} |
| } |
| |
| static class TestClass { |
| |
| @UsedByReflection(kind = KeepItemKind.CLASS_AND_METHODS) |
| public static void main(String[] args) throws Exception { |
| new Reflector().foo(OnMembers.class); |
| new Reflector().foo(OnFields.class); |
| new Reflector().foo(OnMethods.class); |
| } |
| } |
| } |