| // 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.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.keepanno.annotations.KeepItemKind; |
| import com.android.tools.r8.keepanno.annotations.KeepTarget; |
| import com.android.tools.r8.keepanno.annotations.StringPattern; |
| 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.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| 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 MethodNameStringPatternsTest extends KeepAnnoTestBase { |
| |
| static final String EXPECTED = StringUtils.lines("1"); |
| |
| @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, A.class, B.class); |
| } |
| |
| private void checkOutput(CodeInspector inspector) { |
| assertThat(inspector.clazz(B.class), isPresentAndRenamed()); |
| assertThat(inspector.clazz(B.class).method("void", "bar"), isAbsent()); |
| assertThat(inspector.clazz(B.class).method("int", "getMyI"), isPresent()); |
| assertThat(inspector.clazz(B.class).method("void", "setMyI", "int"), isPresent()); |
| assertThat(inspector.clazz(B.class).method("java.lang.String", "getMyS"), isAbsent()); |
| assertThat(inspector.clazz(B.class).method("void", "setMyS", "java.lang.String"), isAbsent()); |
| } |
| |
| static class A { |
| |
| @UsesReflection({ |
| @KeepTarget( |
| classConstant = B.class, |
| methodNamePattern = @StringPattern(startsWith = "get", endsWith = "I")), |
| @KeepTarget( |
| classConstant = B.class, |
| methodNamePattern = @StringPattern(startsWith = "set", endsWith = "I")), |
| }) |
| public void foo() throws Exception { |
| int counter = 1; |
| for (Method method : B.class.getDeclaredMethods()) { |
| String name = method.getName(); |
| if (name.startsWith("set")) { |
| if (name.endsWith("I")) { |
| method.invoke(null, counter++); |
| } |
| } |
| } |
| for (Method method : B.class.getDeclaredMethods()) { |
| String name = method.getName(); |
| if (name.startsWith("get")) { |
| if (name.endsWith("I")) { |
| System.out.println(method.invoke(null)); |
| } |
| } |
| } |
| } |
| } |
| |
| static class B { |
| private static int i; |
| private static String s; |
| |
| public static int getMyI() { |
| return i; |
| } |
| |
| public static String getMyS() { |
| return s; |
| } |
| |
| public static void setMyI(int i) { |
| B.i = i; |
| } |
| |
| public static void setMyS(String s) { |
| B.s = s; |
| } |
| |
| public static void bar() { |
| throw new RuntimeException("UNUSED"); |
| } |
| } |
| |
| static class TestClass { |
| |
| @UsedByReflection(kind = KeepItemKind.CLASS_AND_METHODS) |
| public static void main(String[] args) throws Exception { |
| new A().foo(); |
| } |
| } |
| } |