| // 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_PATH; |
| import static java.nio.file.StandardWatchEventKinds.ENTRY_CREATE; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| 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.LibraryDesugaringSpecification; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.io.IOException; |
| import java.nio.file.FileSystem; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.WatchEvent; |
| import java.nio.file.WatchKey; |
| import java.nio.file.WatchService; |
| import java.util.List; |
| 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 FilesWatchEventTest extends DesugaredLibraryTestBase { |
| |
| private static final String EXPECTED_RESULT = |
| StringUtils.lines("true", "true", "true", "ENTRY_CREATE", "foo", "true"); |
| private static final String EXPECTED_RESULT_DESUGARING = |
| StringUtils.lines("class java.lang.UnsupportedOperationException :: null"); |
| |
| 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( |
| // Skip Android 4.4.4 due to missing libjavacrypto. |
| getTestParameters() |
| .withCfRuntime(CfVm.JDK11) |
| .withDexRuntime(Version.V4_0_4) |
| .withDexRuntimesStartingFromIncluding(Version.V5_1_1) |
| .withAllApiLevels() |
| .build(), |
| ImmutableList.of(JDK11_PATH), |
| DEFAULT_SPECIFICATIONS); |
| } |
| |
| public FilesWatchEventTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.compilationSpecification = compilationSpecification; |
| } |
| |
| @Test |
| public void test() throws Throwable { |
| if (parameters.isCfRuntime() && !ToolHelper.isWindows()) { |
| // Reference runtime, we use Jdk 11 since this is Jdk 11 desugared library, not that Jdk 8 |
| // behaves differently on this test. |
| Assume.assumeTrue(parameters.isCfRuntime(CfVm.JDK11) && !ToolHelper.isWindows()); |
| testForJvm() |
| .addInnerClasses(getClass()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| return; |
| } |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(TestClass.class) |
| .compile() |
| .withArt6Plus64BitsLib() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput( |
| libraryDesugaringSpecification.usesPlatformFileSystem(parameters) |
| ? EXPECTED_RESULT |
| : EXPECTED_RESULT_DESUGARING); |
| } |
| |
| public static class TestClass { |
| |
| public static void main(String[] args) throws IOException, InterruptedException { |
| Path dir = Files.createTempDirectory("tmpDictWatch"); |
| FileSystem fs = FileSystems.getDefault(); |
| |
| try (WatchService watcher = fs.newWatchService()) { |
| WatchKey myKey = dir.register(watcher, ENTRY_CREATE); |
| System.out.println(myKey.isValid()); |
| System.out.println(myKey.watchable().equals(dir)); |
| |
| Path file = dir.resolve("foo"); |
| Files.createFile(file); |
| |
| WatchKey key = watcher.take(); |
| System.out.println(key.equals(myKey)); |
| |
| WatchEvent<?> event = myKey.pollEvents().iterator().next(); |
| System.out.println(event.kind()); |
| System.out.println(event.context()); |
| |
| System.out.println(myKey.reset()); |
| Files.delete(file); |
| } catch (UnsupportedOperationException e) { |
| System.out.println(e.getClass() + " :: " + e.getMessage()); |
| } |
| |
| Files.delete(dir); |
| } |
| } |
| } |