| // 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 com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import java.util.List; |
| import java.util.concurrent.ConcurrentHashMap; |
| 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 LibraryEmptySubclassInterfaceTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| private final CompilationSpecification compilationSpecification; |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| getJdk8Jdk11(), |
| DEFAULT_SPECIFICATIONS); |
| } |
| |
| public LibraryEmptySubclassInterfaceTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.compilationSpecification = compilationSpecification; |
| } |
| |
| @Test |
| public void testEmptySubclassInterface() throws Throwable { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Executor.class) |
| .noMinification() |
| .compile() |
| .inspectKeepRules(this::assertExpectedKeepRules) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutputLines(getResult()); |
| } |
| |
| private void assertExpectedKeepRules(List<String> keepRuleList) { |
| if (!libraryDesugaringSpecification.hasEmulatedInterfaceDesugaring(parameters)) { |
| return; |
| } |
| StringBuilder keepRules = new StringBuilder(); |
| for (String kr : keepRuleList) { |
| keepRules.append("\n").append(kr); |
| } |
| assertThat( |
| keepRules.toString(), containsString("-keep class j$.util.concurrent.ConcurrentHashMap")); |
| } |
| |
| private String getResult() { |
| return libraryDesugaringSpecification.hasEmulatedInterfaceDesugaring(parameters) |
| ? "class j$.util.concurrent.ConcurrentHashMap" |
| : "class java.util.concurrent.ConcurrentHashMap"; |
| } |
| |
| @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") |
| static class Executor { |
| |
| public static void main(String[] args) { |
| System.out.println(NullableConcurrentHashMap.class.getSuperclass()); |
| } |
| } |
| |
| static class NullableConcurrentHashMap<K, V> extends ConcurrentHashMap<K, V> { |
| NullableConcurrentHashMap() { |
| super(); |
| } |
| } |
| } |