| // 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.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import java.util.List; |
| import java.util.PriorityQueue; |
| import java.util.stream.Stream; |
| 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 PriorityQueueSubclassTest 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 PriorityQueueSubclassTest(boolean shrinkDesugaredLibrary, TestParameters parameters) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testPriorityQueueD8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .addLibraryFiles(getLibraryFile()) |
| .addInnerClasses(PriorityQueueSubclassTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutputLines("1"); |
| } |
| |
| @Test |
| public void testPriorityQueueR8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(Backend.DEX) |
| .addLibraryFiles(getLibraryFile()) |
| .addInnerClasses(PriorityQueueSubclassTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepClassAndMembersRules(Executor.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutputLines("1"); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| MyPriorityQueue strings = new MyPriorityQueue(); |
| strings.add("1"); |
| strings.add("2"); |
| System.out.println(strings.iterator().next()); |
| } |
| } |
| |
| static class MyPriorityQueue extends PriorityQueue<String> { |
| |
| @Override |
| public Stream<String> stream() { |
| return Stream.empty(); |
| } |
| } |
| } |