| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.lucene.mockfile; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.URI; |
| import java.nio.channels.AsynchronousFileChannel; |
| import java.nio.channels.FileChannel; |
| import java.nio.channels.SeekableByteChannel; |
| import java.nio.file.FileSystem; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| /** Basic tests for LeakFS */ |
| public class TestLeakFS extends MockFileSystemTestCase { |
| |
| @Override |
| protected Path wrap(Path path) { |
| FileSystem fs = new LeakFS(path.getFileSystem()).getFileSystem(URI.create("file:///")); |
| return new FilterPath(path, fs); |
| } |
| |
| /** Test leaks via Files.newInputStream */ |
| public void testLeakInputStream() throws IOException { |
| Path dir = wrap(createTempDir()); |
| |
| OutputStream file = Files.newOutputStream(dir.resolve("stillopen")); |
| file.write(5); |
| file.close(); |
| InputStream leak = Files.newInputStream(dir.resolve("stillopen")); |
| |
| Exception e = expectThrows(Exception.class, () -> dir.getFileSystem().close()); |
| assertTrue(e.getMessage().contains("file handle leaks")); |
| leak.close(); |
| } |
| |
| /** Test leaks via Files.newOutputStream */ |
| public void testLeakOutputStream() throws IOException { |
| Path dir = wrap(createTempDir()); |
| |
| OutputStream leak = Files.newOutputStream(dir.resolve("leaky")); |
| Exception e = expectThrows(Exception.class, () -> dir.getFileSystem().close()); |
| assertTrue(e.getMessage().contains("file handle leaks")); |
| leak.close(); |
| } |
| |
| /** Test leaks via FileChannel.open */ |
| public void testLeakFileChannel() throws IOException { |
| Path dir = wrap(createTempDir()); |
| |
| OutputStream file = Files.newOutputStream(dir.resolve("stillopen")); |
| file.write(5); |
| file.close(); |
| FileChannel leak = FileChannel.open(dir.resolve("stillopen")); |
| |
| Exception e = expectThrows(Exception.class, () -> dir.getFileSystem().close()); |
| assertTrue(e.getMessage().contains("file handle leaks")); |
| leak.close(); |
| } |
| |
| /** Test leaks via AsynchronousFileChannel.open */ |
| public void testLeakAsyncFileChannel() throws IOException { |
| Path dir = wrap(createTempDir()); |
| |
| OutputStream file = Files.newOutputStream(dir.resolve("stillopen")); |
| file.write(5); |
| file.close(); |
| AsynchronousFileChannel leak = AsynchronousFileChannel.open(dir.resolve("stillopen")); |
| Exception e = expectThrows(Exception.class, () -> dir.getFileSystem().close()); |
| assertTrue(e.getMessage().contains("file handle leaks")); |
| leak.close(); |
| } |
| |
| /** Test leaks via Files.newByteChannel */ |
| public void testLeakByteChannel() throws IOException { |
| Path dir = wrap(createTempDir()); |
| |
| OutputStream file = Files.newOutputStream(dir.resolve("stillopen")); |
| file.write(5); |
| file.close(); |
| SeekableByteChannel leak = Files.newByteChannel(dir.resolve("stillopen")); |
| |
| Exception e = expectThrows(Exception.class, () -> dir.getFileSystem().close()); |
| assertTrue(e.getMessage().contains("file handle leaks")); |
| leak.close(); |
| } |
| } |