1 /* 2 * Copyright (c) 1998, 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 4165666 4203706 4288670 4290024 26 * @summary Basic heartbeat test for File methods that access the filesystem 27 * @build Basic Util 28 * @run main/othervm Basic 29 */ 30 31 import java.io.FileOutputStream; 32 import java.io.IOException; 33 import java.io.File; 34 import java.io.PrintStream; 35 import java.io.RandomAccessFile; 36 37 38 public class Basic { 39 40 static PrintStream out = System.err; 41 42 static File rwFile = new File("x.Basic.rw"); 43 static File bigFile = new File("x.Basic.big"); 44 static File roFile = new File("x.Basic.ro"); 45 static File thisDir = new File("."); 46 static File dir = new File("x.Basic.dir"); 47 static File dir2 = new File("x.Basic.dir2"); 48 static byte bytes[] = new byte[] {1, 2, 3, 4, 5, 6}; 49 50 static void showBoolean(String what, boolean value) { 51 out.println(" " + what + ": " + value); 52 } 53 54 static void showLong(String what, long value) { 55 out.println(" " + what + ": " + value); 56 } 57 58 static void show(File f) throws Exception { 59 out.println(f + ": "); 60 showBoolean("exists", f.exists()); 61 showBoolean("isFile", f.isFile()); 62 showBoolean("isDirectory", f.isDirectory()); 63 showBoolean("canRead", f.canRead()); 64 showBoolean("canWrite", f.canWrite()); 65 showLong("lastModified", f.lastModified()); 66 showLong("length", f.length()); 67 } 68 69 static void testFile(File f, boolean writeable, long length) 70 throws Exception 71 { 72 if (!f.exists()) fail(f, "does not exist"); 73 if (!f.isFile()) fail(f, "is not a file"); 74 if (f.isDirectory()) fail(f, "is a directory"); 75 if (!f.canRead()) fail(f, "is not readable"); 76 if (!Util.isPrivileged() && f.canWrite() != writeable) 77 fail(f, writeable ? "is not writeable" : "is writeable"); 78 if (f.length() != length) fail(f, "has wrong length"); 79 } 80 81 static void fail(File f, String why) throws Exception { 82 throw new Exception(f + " " + why); 83 } 84 85 static void setup() throws Exception { 86 rwFile.delete(); 87 bigFile.delete(); 88 roFile.delete(); 89 thisDir.delete(); 90 dir.delete(); 91 dir2.delete(); 92 93 try (FileOutputStream fos = new FileOutputStream(rwFile)) { 94 fos.write(bytes); 95 } 96 97 roFile.createNewFile(); 98 roFile.setReadOnly(); 99 } 100 101 public static void main(String[] args) throws Exception { 102 setup(); 103 104 show(rwFile); 105 testFile(rwFile, true, bytes.length); 106 rwFile.delete(); 107 if (rwFile.exists()) { 108 fail(rwFile, "could not delete"); 109 } 110 111 show(roFile); 112 testFile(roFile, false, 0); 113 114 show(thisDir); 115 if (!thisDir.exists()) fail(thisDir, "does not exist"); 116 if (thisDir.isFile()) fail(thisDir, "is a file"); 117 if (!thisDir.isDirectory()) fail(thisDir, "is not a directory"); 118 if (!thisDir.canRead()) fail(thisDir, "is readable"); 119 if (!thisDir.canWrite()) fail(thisDir, "is writeable"); 120 String[] fs = thisDir.list(); 121 if (fs == null) fail(thisDir, "list() returned null"); 122 out.print(" [" + fs.length + "]"); 123 for (int i = 0; i < fs.length; i++) { 124 out.print(" " + fs[i]); 125 } 126 out.println(); 127 if (fs.length == 0) fail(thisDir, "is empty"); 128 129 if (!dir.mkdir() || !dir.exists() || !dir.isDirectory()) { 130 fail(dir, "could not create"); 131 } 132 if (!dir.renameTo(dir2)) { 133 fail(dir, "failed to rename"); 134 } 135 if (dir.exists() || !dir2.exists() || !dir2.isDirectory()) { 136 fail(dir, "not renamed"); 137 } 138 139 System.err.println("NOTE: Large files not supported on this system"); 140 } 141 142 }