| // Copyright (c) 2022, 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.jdk11; |
| |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CustomLibrarySpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import java.util.stream.Collector; |
| import java.util.stream.Collectors; |
| 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 StreamCollectorCharacteristicsTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| private final CompilationSpecification compilationSpecification; |
| |
| private static final AndroidApiLevel MIN_SUPPORTED = AndroidApiLevel.O; |
| private static final String EXPECTED_RESULT = StringUtils.lines("IDENTITY_FINISH"); |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getConversionParametersUpToExcluding(MIN_SUPPORTED), |
| ImmutableList.of(JDK11), |
| DEFAULT_SPECIFICATIONS); |
| } |
| |
| public StreamCollectorCharacteristicsTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.compilationSpecification = compilationSpecification; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addProgramClasses(TestClass.class) |
| .addKeepMainRule(TestClass.class) |
| .setCustomLibrarySpecification( |
| new CustomLibrarySpecification(CustomLib.class, MIN_SUPPORTED)) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| public static class CustomLib { |
| public static Collector<?, ?, ?> getCollector() { |
| return Collectors.toList(); |
| } |
| } |
| |
| public static class TestClass { |
| public static void main(String[] args) { |
| System.out.println(CustomLib.getCollector().characteristics().iterator().next().toString()); |
| } |
| } |
| } |