| /* |
| * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4313887 6873621 6979526 7006126 7020517 |
| * @summary Unit test for java.nio.file.FileStore |
| * @key intermittent |
| * @library .. /test/lib |
| * @build jdk.test.lib.Platform |
| * jdk.test.lib.util.FileUtils |
| * @run main Basic |
| */ |
| |
| import java.nio.file.*; |
| import java.nio.file.attribute.*; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import jdk.test.lib.util.FileUtils; |
| |
| |
| public class Basic { |
| |
| static final long G = 1024L * 1024L * 1024L; |
| |
| public static void main(String[] args) throws IOException { |
| Path dir = TestUtil.createTemporaryDirectory(); |
| try { |
| doTests(dir); |
| } finally { |
| TestUtil.removeAll(dir); |
| } |
| } |
| |
| static void assertTrue(boolean okay) { |
| if (!okay) |
| throw new RuntimeException("Assertion failed"); |
| } |
| |
| static void checkWithin1GB(long value1, long value2) { |
| long diff = Math.abs(value1 - value2); |
| if (diff > G) |
| throw new RuntimeException("values differ by more than 1GB"); |
| } |
| |
| static void doTests(Path dir) throws IOException { |
| /** |
| * Test: Directory should be on FileStore that is writable |
| */ |
| assertTrue(!Files.getFileStore(dir).isReadOnly()); |
| |
| /** |
| * Test: Two files should have the same FileStore |
| */ |
| Path file1 = Files.createFile(dir.resolve("foo")); |
| Path file2 = Files.createFile(dir.resolve("bar")); |
| FileStore store1 = Files.getFileStore(file1); |
| FileStore store2 = Files.getFileStore(file2); |
| assertTrue(store1.equals(store2)); |
| assertTrue(store2.equals(store1)); |
| assertTrue(store1.hashCode() == store2.hashCode()); |
| |
| /** |
| * Test: File and FileStore attributes |
| */ |
| assertTrue(store1.supportsFileAttributeView("basic")); |
| assertTrue(store1.supportsFileAttributeView(BasicFileAttributeView.class)); |
| assertTrue(store1.supportsFileAttributeView("posix") == |
| store1.supportsFileAttributeView(PosixFileAttributeView.class)); |
| assertTrue(store1.supportsFileAttributeView("dos") == |
| store1.supportsFileAttributeView(DosFileAttributeView.class)); |
| assertTrue(store1.supportsFileAttributeView("acl") == |
| store1.supportsFileAttributeView(AclFileAttributeView.class)); |
| assertTrue(store1.supportsFileAttributeView("user") == |
| store1.supportsFileAttributeView(UserDefinedFileAttributeView.class)); |
| |
| /** |
| * Test: Space atributes |
| */ |
| File f = file1.toFile(); |
| long total = f.getTotalSpace(); |
| long free = f.getFreeSpace(); |
| long usable = f.getUsableSpace(); |
| |
| // check values are "close" |
| checkWithin1GB(total, store1.getTotalSpace()); |
| checkWithin1GB(free, store1.getUnallocatedSpace()); |
| checkWithin1GB(usable, store1.getUsableSpace()); |
| |
| // get values by name |
| checkWithin1GB(total, (Long)store1.getAttribute("totalSpace")); |
| checkWithin1GB(free, (Long)store1.getAttribute("unallocatedSpace")); |
| checkWithin1GB(usable, (Long)store1.getAttribute("usableSpace")); |
| |
| /** |
| * Test: Enumerate all FileStores |
| */ |
| if (FileUtils.areFileSystemsAccessible()) { |
| FileStore prev = null; |
| for (FileStore store: FileSystems.getDefault().getFileStores()) { |
| System.out.format("%s (name=%s type=%s)\n", store, store.name(), |
| store.type()); |
| |
| // check space attributes are accessible |
| try { |
| store.getTotalSpace(); |
| store.getUnallocatedSpace(); |
| store.getUsableSpace(); |
| } catch (NoSuchFileException nsfe) { |
| // ignore exception as the store could have been |
| // deleted since the iterator was instantiated |
| System.err.format("%s was not found\n", store); |
| } catch (AccessDeniedException ade) { |
| // ignore exception as the lack of ability to access the |
| // store due to lack of file permission or similar does not |
| // reflect whether the space attributes would be accessible |
| // were access to be permitted |
| System.err.format("%s is inaccessible\n", store); |
| } |
| |
| // two distinct FileStores should not be equal |
| assertTrue(!store.equals(prev)); |
| prev = store; |
| } |
| } else { |
| System.err.println |
| ("Skipping FileStore check due to file system access failure"); |
| } |
| } |
| } |