| // 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.desugar.desugaredlibrary; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.shaking.ProguardKeepAttributes; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.nio.file.Path; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.junit.Assume; |
| 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 CustomMapHierarchyTest extends DesugaredLibraryTestBase { |
| |
| private static final String EXPECTED = |
| StringUtils.lines("B::getOrDefault", "default 1", "B::getOrDefault", "default 2"); |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| |
| @Parameters(name = "{0}, shrinkDesugaredLibrary: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(), |
| BooleanUtils.values()); |
| } |
| |
| public CustomMapHierarchyTest(TestParameters parameters, boolean shrinkDesugaredLibrary) { |
| this.parameters = parameters; |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| } |
| |
| @Test |
| public void testWithoutLibraryDesugaring() throws Exception { |
| Assume.assumeTrue( |
| parameters.getRuntime().isCf() |
| || parameters |
| .getApiLevel() |
| .isGreaterThanOrEqualTo(TestBase.apiLevelWithDefaultInterfaceMethodsSupport())); |
| testForRuntime(parameters) |
| .addInnerClasses(CustomMapHierarchyTest.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| Assume.assumeTrue(parameters.getRuntime().isDex()); |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addInnerClasses(CustomMapHierarchyTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testD8Cf2Cf() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| |
| Path jar = |
| testForD8(Backend.CF) |
| .addInnerClasses(CustomMapHierarchyTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .setIncludeClassesChecksum(true) |
| .setMinApi(parameters.getApiLevel()) |
| .allowStdoutMessages() |
| .compile() |
| .writeToZip(); |
| String desugaredLibraryKeepRules = ""; |
| if (shrinkDesugaredLibrary && keepRuleConsumer.get() != null) { |
| // Collection keep rules is only implemented in the DEX writer. |
| assertEquals(0, keepRuleConsumer.get().length()); |
| desugaredLibraryKeepRules = "-keep class * { *; }"; |
| } |
| if (parameters.getRuntime().isDex()) { |
| testForD8() |
| .addProgramFiles(jar) |
| .setMinApi(parameters.getApiLevel()) |
| .disableDesugaring() |
| .allowStdoutMessages() |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| desugaredLibraryKeepRules, |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } else { |
| testForJvm() |
| .addProgramFiles(jar) |
| .addRunClasspathFiles(getDesugaredLibraryInCF(parameters, options -> {})) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| Assume.assumeTrue(parameters.getRuntime().isDex()); |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(parameters.getBackend()) |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addInnerClasses(CustomMapHierarchyTest.class) |
| .addKeepMainRule(Main.class) |
| .addKeepAllClassesRuleWithAllowObfuscation() |
| .addKeepAttributes( |
| ProguardKeepAttributes.SIGNATURE, |
| ProguardKeepAttributes.INNER_CLASSES, |
| ProguardKeepAttributes.ENCLOSING_METHOD) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| System.out.println(new B<String>().getOrDefault("Not found", "default 1")); |
| System.out.println( |
| ((Map<String, String>) new B<String>()).getOrDefault("Not found", "default 2")); |
| } |
| } |
| |
| abstract static class A<T> extends LinkedHashMap<T, T> {} |
| |
| // AbstractSequentialList implements List further up the hierarchy. |
| static class B<T> extends A<T> { |
| // Need at least one overridden default method for emulated dispatch. |
| @Override |
| public T getOrDefault(Object key, T defaultValue) { |
| System.out.println("B::getOrDefault"); |
| return super.getOrDefault(key, defaultValue); |
| } |
| } |
| } |