1 /* 2 * Copyright (c) 2008, 2020, 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 8242292 26 * @summary Unit test for java.nio.file.FileSystem 27 * @library .. /test/lib 28 * @build jdk.test.lib.Platform 29 * jdk.test.lib.util.FileUtils 30 * @run main/othervm Basic 31 */ 32 33 import java.io.File; 34 import java.io.IOException; 35 import java.net.URI; 36 import java.net.URISyntaxException; 37 import java.nio.file.Files; 38 import java.nio.file.FileStore; 39 import java.nio.file.FileSystem; 40 import java.nio.file.FileSystems; 41 import java.nio.file.Path; 42 import java.nio.file.Paths; 43 import java.nio.file.ProviderNotFoundException; 44 import java.util.HashMap; 45 import jdk.test.lib.util.FileUtils; 46 47 /** 48 * Simple sanity checks for java.nio.file.FileSystem 49 */ 50 public class Basic { 51 52 static void check(boolean okay, String msg) { 53 if (!okay) 54 throw new RuntimeException(msg); 55 } 56 57 static void checkFileStores(FileSystem fs) throws IOException { 58 // sanity check method 59 if (FileUtils.areFileSystemsAccessible()) { 60 System.out.println("\n--- Begin FileStores ---"); 61 for (FileStore store: fs.getFileStores()) { 62 System.out.println(store); 63 } 64 System.out.println("--- EndFileStores ---\n"); 65 } else { 66 System.err.println 67 ("Skipping FileStore check due to file system access failure"); 68 } 69 } 70 71 static void checkSupported(FileSystem fs, String... views) { 72 for (String view: views) { 73 check(fs.supportedFileAttributeViews().contains(view), 74 "support for '" + view + "' expected"); 75 } 76 } 77 78 static void checkNoUOE() throws IOException, URISyntaxException { 79 String dir = System.getProperty("test.dir", "."); 80 String fileName = dir + File.separator + "foo.bar"; 81 Path path = Paths.get(fileName); 82 Path file = Files.createFile(path); 83 try { 84 URI uri = new URI("jar", file.toUri().toString(), null); 85 System.out.println(uri); 86 FileSystem fs = FileSystems.newFileSystem(uri, new HashMap()); 87 fs.close(); 88 } catch (ProviderNotFoundException pnfe) { 89 System.out.println("Expected ProviderNotFoundException caught: " 90 + "\"" + pnfe.getMessage() + "\""); 91 } 92 } 93 94 static void checkIAE() throws IOException { 95 URI absoluteUri = Path.of("foo.bar").toUri(); 96 URI relativeUri = URI.create(absoluteUri.getSchemeSpecificPart()); 97 System.out.println(relativeUri); 98 try { 99 FileSystem fs = FileSystems.getFileSystem(relativeUri); 100 throw new RuntimeException("IllegalArgumentException expected"); 101 } catch (IllegalArgumentException iae) { 102 System.out.println("Expected IllegalArgumentException caught: " 103 + "\"" + iae.getMessage() + "\""); 104 } catch (Exception e) { 105 throw new RuntimeException("IllegalArgumentException expected", e); 106 } 107 } 108 109 public static void main(String[] args) 110 throws IOException, URISyntaxException { 111 String os = System.getProperty("os.name"); 112 FileSystem fs = FileSystems.getDefault(); 113 114 // close should throw UOE 115 try { 116 fs.close(); 117 throw new RuntimeException("UnsupportedOperationException expected"); 118 } catch (UnsupportedOperationException e) { } 119 check(fs.isOpen(), "should be open"); 120 121 check(!fs.isReadOnly(), "should provide read-write access"); 122 123 check(fs.provider().getScheme().equals("file"), 124 "should use 'file' scheme"); 125 126 // sanity check FileStores 127 checkFileStores(fs); 128 129 // sanity check supportedFileAttributeViews 130 checkSupported(fs, "basic"); 131 if (os.equals("Linux")) 132 checkSupported(fs, "posix", "unix", "owner", "dos", "user"); 133 if (os.contains("OS X")) 134 checkSupported(fs, "posix", "unix", "owner"); 135 if (os.equals("Windows")) 136 checkSupported(fs, "owner", "dos", "acl", "user"); 137 138 // sanity check throwing of IllegalArgumentException by 139 // FileSystems.getFileSystem(URI) if the URI scheme is null 140 checkIAE(); 141 142 // sanity check non-throwing of UnsupportedOperationException by 143 // FileSystems.newFileSystem(URI, ..) 144 checkNoUOE(); 145 } 146 }