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 .. /lib/testlibrary 28 * @build jdk.testlibrary.FileUtils 29 * @run main/othervm Basic 30 */ 31 32import java.io.File; 33import java.io.IOException; 34import java.net.URI; 35import java.net.URISyntaxException; 36import java.nio.file.Files; 37import java.nio.file.FileStore; 38import java.nio.file.FileSystem; 39import java.nio.file.FileSystems; 40import java.nio.file.Path; 41import java.nio.file.Paths; 42import java.nio.file.ProviderNotFoundException; 43import java.util.HashMap; 44import jdk.testlibrary.FileUtils; 45 46/** 47 * Simple sanity checks for java.nio.file.FileSystem 48 */ 49public class Basic { 50 51 static void check(boolean okay, String msg) { 52 if (!okay) 53 throw new RuntimeException(msg); 54 } 55 56 static void checkFileStores(FileSystem fs) throws IOException { 57 // sanity check method 58 if (FileUtils.areFileSystemsAccessible()) { 59 System.out.println("\n--- Begin FileStores ---"); 60 for (FileStore store: fs.getFileStores()) { 61 System.out.println(store); 62 } 63 System.out.println("--- EndFileStores ---\n"); 64 } else { 65 System.err.println 66 ("Skipping FileStore check due to file system access failure"); 67 } 68 } 69 70 static void checkSupported(FileSystem fs, String... views) { 71 for (String view: views) { 72 check(fs.supportedFileAttributeViews().contains(view), 73 "support for '" + view + "' expected"); 74 } 75 } 76 77 static void checkNoUOE() throws IOException, URISyntaxException { 78 String dir = System.getProperty("test.dir", "."); 79 String fileName = dir + File.separator + "foo.bar"; 80 Path path = Paths.get(fileName); 81 Path file = Files.createFile(path); 82 try { 83 URI uri = new URI("jar", file.toUri().toString(), null); 84 System.out.println(uri); 85 FileSystem fs = FileSystems.newFileSystem(uri, new HashMap()); 86 fs.close(); 87 } catch (ProviderNotFoundException pnfe) { 88 System.out.println("Expected ProviderNotFoundException caught: " 89 + "\"" + pnfe.getMessage() + "\""); 90 } 91 } 92 93 public static void main(String[] args) 94 throws IOException, URISyntaxException { 95 String os = System.getProperty("os.name"); 96 FileSystem fs = FileSystems.getDefault(); 97 98 // close should throw UOE 99 try { 100 fs.close(); 101 throw new RuntimeException("UnsupportedOperationException expected"); 102 } catch (UnsupportedOperationException e) { } 103 check(fs.isOpen(), "should be open"); 104 105 check(!fs.isReadOnly(), "should provide read-write access"); 106 107 check(fs.provider().getScheme().equals("file"), 108 "should use 'file' scheme"); 109 110 // sanity check FileStores 111 checkFileStores(fs); 112 113 // sanity check supportedFileAttributeViews 114 checkSupported(fs, "basic"); 115 if (os.equals("SunOS")) 116 checkSupported(fs, "posix", "unix", "owner", "acl", "user"); 117 if (os.equals("Linux")) 118 checkSupported(fs, "posix", "unix", "owner", "dos", "user"); 119 if (os.contains("OS X")) 120 checkSupported(fs, "posix", "unix", "owner"); 121 if (os.equals("Windows")) 122 checkSupported(fs, "owner", "dos", "acl", "user"); 123 124 // sanity check non-throwing of UnsupportedOperationException by 125 // FileSystems.newFileSystem(URI, ..) 126 checkNoUOE(); 127 } 128} 129