Basic.java revision 893:f06f30b29f36
1/* 2 * Copyright 2008-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24/* @test 25 * @bug 4313887 26 * @summary Unit test for java.nio.file.attribute.DosFileAttributeView 27 * @library ../.. 28 */ 29 30import java.nio.file.*; 31import static java.nio.file.LinkOption.*; 32import java.nio.file.attribute.*; 33import java.util.*; 34import java.io.IOException; 35 36public class Basic { 37 38 static void check(boolean okay) { 39 if (!okay) 40 throw new RuntimeException("Test failed"); 41 } 42 43 // exercise each setter/getter method, leaving all attributes unset 44 static void testAttributes(DosFileAttributeView view) throws IOException { 45 view.setReadOnly(true); 46 check(view.readAttributes().isReadOnly()); 47 view.setReadOnly(false); 48 check(!view.readAttributes().isReadOnly()); 49 view.setHidden(true); 50 check(view.readAttributes().isHidden()); 51 view.setHidden(false); 52 check(!view.readAttributes().isHidden()); 53 view.setArchive(true); 54 check(view.readAttributes().isArchive()); 55 view.setArchive(false); 56 check(!view.readAttributes().isArchive()); 57 view.setSystem(true); 58 check(view.readAttributes().isSystem()); 59 view.setSystem(false); 60 check(!view.readAttributes().isSystem()); 61 } 62 63 // set the value of all attributes 64 static void setAll(DosFileAttributeView view, boolean value) 65 throws IOException 66 { 67 view.setReadOnly(value); 68 view.setHidden(value); 69 view.setArchive(value); 70 view.setSystem(value); 71 } 72 73 // read and write FAT attributes 74 static void readWriteTests(Path dir) throws IOException { 75 76 // create "foo" and test that we can read/write each FAT attribute 77 Path file = dir.resolve("foo"); 78 file.newOutputStream().close(); 79 try { 80 testAttributes(file 81 .getFileAttributeView(DosFileAttributeView.class)); 82 83 // Following tests use a symbolic link so skip if not supported 84 if (!TestUtil.supportsLinks(dir)) 85 return; 86 87 Path link = dir.resolve("link").createSymbolicLink(file); 88 89 // test following links 90 testAttributes(link 91 .getFileAttributeView(DosFileAttributeView.class)); 92 93 // test not following links 94 try { 95 try { 96 testAttributes(link 97 .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS)); 98 } catch (IOException x) { 99 // access to link attributes not supported 100 return; 101 } 102 103 // set all attributes on link 104 // run test on target of link (which leaves them all un-set) 105 // check that attributes of link remain all set 106 setAll(link 107 .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS), true); 108 testAttributes(link 109 .getFileAttributeView(DosFileAttributeView.class)); 110 DosFileAttributes attrs = Attributes.readDosFileAttributes(link, NOFOLLOW_LINKS); 111 check(attrs.isReadOnly()); 112 check(attrs.isHidden()); 113 check(attrs.isArchive()); 114 check(attrs.isSystem()); 115 setAll(link 116 .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS), false); 117 118 // set all attributes on target 119 // run test on link (which leaves them all un-set) 120 // check that attributes of target remain all set 121 setAll(link 122 .getFileAttributeView(DosFileAttributeView.class), true); 123 testAttributes(link 124 .getFileAttributeView(DosFileAttributeView.class, NOFOLLOW_LINKS)); 125 attrs = Attributes.readDosFileAttributes(link); 126 check(attrs.isReadOnly()); 127 check(attrs.isHidden()); 128 check(attrs.isArchive()); 129 check(attrs.isSystem()); 130 setAll(link 131 .getFileAttributeView(DosFileAttributeView.class), false); 132 } finally { 133 TestUtil.deleteUnchecked(link); 134 } 135 } finally { 136 TestUtil.deleteUnchecked(file); 137 } 138 } 139 140 public static void main(String[] args) throws IOException { 141 // create temporary directory to run tests 142 Path dir = TestUtil.createTemporaryDirectory(); 143 144 try { 145 // skip test if DOS file attributes not supported 146 if (!dir.getFileStore().supportsFileAttributeView("dos")) { 147 System.out.println("DOS file attribute not supported."); 148 return; 149 } 150 readWriteTests(dir); 151 } finally { 152 TestUtil.removeAll(dir); 153 } 154 } 155} 156