| // Copyright (c) 2023, 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.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.keepanno.annotations.KeepTarget; |
| import com.android.tools.r8.keepanno.annotations.MemberAccessFlags; |
| 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.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class KeepMembersAccessFlagsTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("Hello, world", "bar"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDefaultRuntimes().withApiLevel(AndroidApiLevel.B).build(); |
| } |
| |
| public KeepMembersAccessFlagsTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testReference() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(getInputClasses()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testWithRuleExtraction() throws Exception { |
| testForR8(parameters.getBackend()) |
| .enableExperimentalKeepAnnotations() |
| .addProgramClasses(getInputClasses()) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED) |
| .inspect(this::checkOutput); |
| } |
| |
| public List<Class<?>> getInputClasses() { |
| return ImmutableList.of(TestClass.class, A.class); |
| } |
| |
| private void checkOutput(CodeInspector inspector) { |
| ClassSubject clazz = inspector.clazz(A.class); |
| assertThat(clazz, isPresent()); |
| assertThat(clazz.uniqueFieldWithOriginalName("staticField"), isAbsent()); |
| assertThat(clazz.uniqueFieldWithOriginalName("fieldA"), isPresent()); |
| assertThat(clazz.uniqueFieldWithOriginalName("fieldB"), isAbsent()); |
| assertThat(clazz.uniqueMethodWithOriginalName("bar"), isPresent()); |
| assertThat(clazz.uniqueMethodWithOriginalName("baz"), isAbsent()); |
| assertThat(clazz.uniqueMethodWithOriginalName("foobar"), isAbsent()); |
| } |
| |
| static class A { |
| |
| public static String staticField = "the static"; |
| |
| public String fieldA = "Hello, world"; |
| |
| private Integer fieldB = 42; |
| |
| @UsesReflection({ |
| @KeepTarget( |
| classConstant = A.class, |
| memberAccess = {MemberAccessFlags.PUBLIC, MemberAccessFlags.NON_STATIC}) |
| }) |
| void foo() throws Exception { |
| for (Field field : getClass().getDeclaredFields()) { |
| int modifiers = field.getModifiers(); |
| if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) { |
| System.out.println(field.get(this)); |
| } |
| } |
| for (Method method : getClass().getDeclaredMethods()) { |
| int modifiers = method.getModifiers(); |
| if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) { |
| System.out.println(method.getName()); |
| } |
| } |
| } |
| |
| public void bar() {} |
| |
| private void baz() {} |
| |
| public static void foobar() {} |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) throws Exception { |
| new A().foo(); |
| } |
| } |
| } |