| // 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.enums; |
| |
| 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 static org.junit.Assert.assertTrue; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.ProguardVersion; |
| import com.android.tools.r8.R8FullTestBuilder; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestShrinkerBuilder; |
| import com.android.tools.r8.TestState; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.Box; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class EnumInAnnotationTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameter(1) |
| public boolean useGenericEnumsRule; |
| |
| @Parameters(name = "{0}, use generic enums rule {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimesAndApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| private static final String EXPECTED_RESULT = StringUtils.lines("TEST_ONE", "TEST_TWO"); |
| |
| public static Path r8cf; |
| public static Box<String> minifiedEnumName = new Box<>(); |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| // Prepare a R8 processed JAR keeping Main with annotations and generic enum rule. |
| r8cf = |
| R8FullTestBuilder.create(new TestState(getStaticTemp()), Backend.CF) |
| .addInnerClasses(EnumInAnnotationTest.class) |
| .addKeepMainRule(Main.class) |
| .addKeepEnumsRule() |
| .addKeepRuntimeVisibleAnnotations() |
| .compile() |
| .inspect( |
| inspector -> { |
| assertThat(inspector.clazz(Enum.class), isPresentAndRenamed()); |
| assertThat( |
| inspector.clazz(Enum.class).uniqueFieldWithOriginalName("TEST_ONE"), |
| isPresentAndNotRenamed()); |
| assertThat( |
| inspector.clazz(Enum.class).uniqueFieldWithOriginalName("TEST_TWO"), |
| isPresentAndRenamed()); |
| minifiedEnumName.set(inspector.clazz(Enum.class).getFinalName()); |
| }) |
| .writeToZip(); |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| assumeTrue(useGenericEnumsRule); |
| testForRuntime(parameters) |
| .addInnerClasses(getClass()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| assumeTrue(!parameters.isDexRuntime() || useGenericEnumsRule); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(EnumInAnnotationTest.class) |
| .addKeepMainRule(Main.class) |
| .addKeepEnumsRule() |
| .applyIf( |
| parameters.isCfRuntime() && useGenericEnumsRule, |
| TestShrinkerBuilder::addKeepEnumsRule, |
| parameters.isCfRuntime() && !useGenericEnumsRule, |
| builder -> |
| builder.addKeepRules( |
| "-keepclassmembernames class " |
| + EnumInAnnotationTest.Enum.class.getTypeName() |
| + " { <fields>; }"), |
| builder -> { |
| // Do nothing for DEX. |
| assertTrue(useGenericEnumsRule); // Check not running twice. |
| }) |
| .setMinApi(parameters) |
| .addKeepRuntimeVisibleAnnotations() |
| .run(parameters.getRuntime(), Main.class) |
| .inspect( |
| inspector -> { |
| assertThat( |
| inspector.clazz(Enum.class).uniqueFieldWithOriginalName("TEST_ONE"), |
| parameters.isCfRuntime() ? isPresentAndNotRenamed() : isPresentAndRenamed()); |
| assertThat( |
| inspector.clazz(Enum.class).uniqueFieldWithOriginalName("TEST_TWO"), |
| useGenericEnumsRule ? isPresentAndRenamed() : isPresentAndNotRenamed()); |
| }) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testR8WithR8Input() throws Exception { |
| assumeTrue(useGenericEnumsRule); |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(r8cf) |
| .addKeepMainRule(Main.class) |
| .addKeepEnumsRule() |
| .setMinApi(parameters) |
| .addKeepRuntimeVisibleAnnotations() |
| .run(parameters.getRuntime(), Main.class) |
| .inspect( |
| inspector -> { |
| assertThat( |
| inspector.clazz(minifiedEnumName.get()).uniqueFieldWithOriginalName("TEST_ONE"), |
| parameters.isCfRuntime() ? isPresentAndNotRenamed() : isPresentAndRenamed()); |
| }) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testProguard() throws Exception { |
| assumeTrue(parameters.isCfRuntime()); |
| testForProguard(ProguardVersion.V7_0_0) |
| .addInnerClasses(EnumInAnnotationTest.class) |
| .addKeepMainRule(Main.class) |
| .addKeepEnumsRule() |
| .applyIf( |
| useGenericEnumsRule, |
| TestShrinkerBuilder::addKeepEnumsRule, |
| builder -> |
| builder.addKeepRules( |
| "-keepclassmembernames class " + Enum.class.getTypeName() + " { <fields>; }")) |
| .addDontWarn(getClass()) |
| .addKeepRuntimeVisibleAnnotations() |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| public enum Enum { |
| TEST_ONE, |
| TEST_TWO |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.TYPE}) |
| public @interface MyAnnotation { |
| |
| Enum value(); |
| } |
| |
| @MyAnnotation(value = Enum.TEST_ONE) |
| public static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println(Main.class.getAnnotation(MyAnnotation.class).value()); |
| System.out.println(Enum.TEST_TWO); |
| } |
| } |
| } |