1 /* 2 * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4313887 6838333 8132497 26 * @summary Unit test for java.nio.file.FileSystem 27 * @library .. /test/lib 28 * @run main/othervm Basic 29 */ 30 31 import java.io.File; 32 import java.io.IOException; 33 import java.net.URI; 34 import java.net.URISyntaxException; 35 import java.nio.file.Files; 36 import java.nio.file.FileStore; 37 import java.nio.file.FileSystem; 38 import java.nio.file.FileSystems; 39 import java.nio.file.Path; 40 import java.nio.file.Paths; 41 import java.nio.file.ProviderNotFoundException; 42 import java.util.HashMap; 43 import jdk.test.lib.util.FileUtils; 44 45 /** 46 * Simple sanity checks for java.nio.file.FileSystem 47 */ 48 public class Basic { 49 50 static void check(boolean okay, String msg) { 51 if (!okay) 52 throw new RuntimeException(msg); 53 } 54 55 static void checkFileStores(FileSystem fs) throws IOException { 56 // sanity check method 57 if (FileUtils.areFileSystemsAccessible()) { 58 System.out.println("\n--- Begin FileStores ---"); 59 for (FileStore store: fs.getFileStores()) { 60 System.out.println(store); 61 } 62 System.out.println("--- EndFileStores ---\n"); 63 } else { 64 System.err.println 65 ("Skipping FileStore check due to file system access failure"); 66 } 67 } 68 69 static void checkSupported(FileSystem fs, String... views) { 70 for (String view: views) { 71 check(fs.supportedFileAttributeViews().contains(view), 72 "support for '" + view + "' expected"); 73 } 74 } 75 76 static void checkNoUOE() throws IOException, URISyntaxException { 77 String dir = System.getProperty("test.dir", "."); 78 String fileName = dir + File.separator + "foo.bar"; 79 Path path = Paths.get(fileName); 80 Path file = Files.createFile(path); 81 try { 82 URI uri = new URI("jar", file.toUri().toString(), null); 83 System.out.println(uri); 84 FileSystem fs = FileSystems.newFileSystem(uri, new HashMap()); 85 fs.close(); 86 } catch (ProviderNotFoundException pnfe) { 87 System.out.println("Expected ProviderNotFoundException caught: " 88 + "\"" + pnfe.getMessage() + "\""); 89 } 90 } 91 92 public static void main(String[] args) 93 throws IOException, URISyntaxException { 94 String os = System.getProperty("os.name"); 95 FileSystem fs = FileSystems.getDefault(); 96 97 // close should throw UOE 98 try { 99 fs.close(); 100 throw new RuntimeException("UnsupportedOperationException expected"); 101 } catch (UnsupportedOperationException e) { } 102 check(fs.isOpen(), "should be open"); 103 104 check(!fs.isReadOnly(), "should provide read-write access"); 105 106 check(fs.provider().getScheme().equals("file"), 107 "should use 'file' scheme"); 108 109 // sanity check FileStores 110 checkFileStores(fs); 111 112 // sanity check supportedFileAttributeViews 113 checkSupported(fs, "basic"); 114 if (os.equals("SunOS")) 115 checkSupported(fs, "posix", "unix", "owner", "acl", "user"); 116 if (os.equals("Linux")) 117 checkSupported(fs, "posix", "unix", "owner", "dos", "user"); 118 if (os.contains("OS X")) 119 checkSupported(fs, "posix", "unix", "owner"); 120 if (os.equals("Windows")) 121 checkSupported(fs, "owner", "dos", "acl", "user"); 122 123 // sanity check non-throwing of UnsupportedOperationException by 124 // FileSystems.newFileSystem(URI, ..) 125 checkNoUOE(); 126 } 127 }