| // Copyright (c) 2019, 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 com.android.tools.r8.D8TestRunResult; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Spliterator; |
| import java.util.Spliterators; |
| 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 CustomCollectionSuperCallsTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| |
| @Parameters(name = "{1}, shrinkDesugaredLibrary: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), getTestParameters().withDexRuntimes().withAllApiLevels().build()); |
| } |
| |
| public CustomCollectionSuperCallsTest(boolean shrinkDesugaredLibrary, TestParameters parameters) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testCustomCollectionSuperCallsD8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| D8TestRunResult d8TestRunResult = |
| testForD8() |
| .addInnerClasses(CustomCollectionSuperCallsTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccess(); |
| assertLines2By2Correct(d8TestRunResult.getStdOut()); |
| } |
| |
| @Test |
| public void testCustomCollectionSuperCallsR8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| R8TestRunResult r8TestRunResult = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(CustomCollectionSuperCallsTest.class) |
| .addKeepMainRule(Executor.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccess(); |
| assertLines2By2Correct(r8TestRunResult.getStdOut()); |
| } |
| |
| static class Executor { |
| |
| // ArrayList spliterator is Spliterator.ORDERED | Spliterator.SIZED | Spliterator.SUBSIZED. |
| |
| public static void main(String[] args) { |
| rawTypes(); |
| inheritedTypes(); |
| } |
| |
| public static void rawTypes() { |
| Spliterator<String> stringSpliterator; |
| |
| stringSpliterator = new MyArrayListOverride().superSpliterator(); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.ORDERED)); |
| System.out.println(true); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.IMMUTABLE)); |
| System.out.println(false); |
| |
| stringSpliterator = new MyArrayListOverrideSubclass().superSpliterator(); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.ORDERED)); |
| System.out.println(false); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.IMMUTABLE)); |
| System.out.println(true); |
| |
| stringSpliterator = new MyArrayListNoOverride().superSpliterator(); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.ORDERED)); |
| System.out.println(true); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.IMMUTABLE)); |
| System.out.println(false); |
| |
| stringSpliterator = new MyArrayListSubclassNoOverride().superSpliterator(); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.ORDERED)); |
| System.out.println(true); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.IMMUTABLE)); |
| System.out.println(false); |
| } |
| |
| public static void inheritedTypes() { |
| Spliterator<String> stringSpliterator; |
| |
| stringSpliterator = |
| ((MyArrayListOverride) new MyArrayListOverrideSubclass()).superSpliterator(); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.ORDERED)); |
| System.out.println(false); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.IMMUTABLE)); |
| System.out.println(true); |
| |
| stringSpliterator = |
| ((MyArrayListNoOverride) new MyArrayListSubclassNoOverride()).superSpliterator(); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.ORDERED)); |
| System.out.println(true); |
| System.out.println(stringSpliterator.hasCharacteristics(Spliterator.IMMUTABLE)); |
| System.out.println(false); |
| } |
| } |
| |
| static class MyArrayListOverride extends ArrayList<String> { |
| |
| @Override |
| public Spliterator<String> spliterator() { |
| return Spliterators.spliterator(this, Spliterator.IMMUTABLE); |
| } |
| |
| public Spliterator<String> superSpliterator() { |
| return super.spliterator(); |
| } |
| } |
| |
| static class MyArrayListOverrideSubclass extends MyArrayListOverride { |
| |
| @Override |
| public Spliterator<String> superSpliterator() { |
| return super.spliterator(); |
| } |
| |
| // Unused, but prove the super invoke won't resolve into it. |
| @Override |
| public Spliterator<String> spliterator() { |
| return Spliterators.spliterator(this, Spliterator.IMMUTABLE | Spliterator.ORDERED); |
| } |
| } |
| |
| static class MyArrayListNoOverride extends ArrayList<String> { |
| |
| public Spliterator<String> superSpliterator() { |
| return super.spliterator(); |
| } |
| } |
| |
| static class MyArrayListSubclassNoOverride extends MyArrayListNoOverride { |
| public Spliterator<String> superSpliterator() { |
| return super.spliterator(); |
| } |
| |
| // Unused, but prove the super invoke won't resolve into it. |
| @Override |
| public Spliterator<String> spliterator() { |
| return Spliterators.spliterator(this, Spliterator.IMMUTABLE | Spliterator.ORDERED); |
| } |
| } |
| } |