| // 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.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import java.lang.annotation.Annotation; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class IfRuleWithKeepAllTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public IfRuleWithKeepAllTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8WithKeepOnAllMembers() throws Exception { |
| runTest("-if class ** { *; }"); |
| } |
| |
| @Test |
| public void testR8WithKeepOnClass() throws Exception { |
| runTest("-if class **"); |
| } |
| |
| private void runTest(String precondition) throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(DirectlyKept.class, KeptByIf.class) |
| .addKeepClassAndMembersRules(DirectlyKept.class) |
| .addKeepRules(precondition + "\n-keep class " + KeptByIf.class.getTypeName() + " { *; }") |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| codeInspector -> { |
| assertThat(codeInspector.clazz(DirectlyKept.class), isPresent()); |
| final ClassSubject keptByIf = codeInspector.clazz(KeptByIf.class); |
| assertThat(keptByIf, isPresent()); |
| assertEquals(1, keptByIf.allMethods().size()); |
| }) |
| .addRunClasspathFiles(buildOnDexRuntime(parameters, Main.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| @KeptByIf() |
| public static class DirectlyKept { |
| final int foo = 42; |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface KeptByIf { |
| String key() default ""; |
| } |
| |
| public static class Main implements KeptByIf { |
| |
| public static void main(String[] args) { |
| runKeptByIf(new Main()); |
| } |
| |
| public static void runKeptByIf(KeptByIf keptByIf) { |
| System.out.println(keptByIf.key()); |
| } |
| |
| @Override |
| public String key() { |
| return "Hello World!"; |
| } |
| |
| @Override |
| public Class<? extends Annotation> annotationType() { |
| return null; |
| } |
| } |
| } |