1 /* 2 * Copyright (c) 2013, 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 /* 25 * @test 26 * @bug 8013827 8011950 8017212 8025128 27 * @summary Check whether File.createTempFile can handle special parameters 28 * @author Dan Xu 29 */ 30 31 import java.io.File; 32 import java.io.IOException; 33 import java.nio.file.Files; 34 import java.nio.file.Paths; 35 36 public class SpecialTempFile { 37 38 private static void test(String name, String[] prefix, String[] suffix, 39 boolean exceptionExpected) throws IOException 40 { 41 if (prefix == null || suffix == null 42 || prefix.length != suffix.length) 43 { 44 return; 45 } 46 47 final String exceptionMsg = "Unable to create temporary file"; 48 String[] dirs = { null, "." }; 49 50 for (int i = 0; i < prefix.length; i++) { 51 boolean exceptionThrown = false; 52 File f = null; 53 54 for (String dir: dirs) { 55 System.out.println("In test " + name + 56 ", creating temp file with prefix, " + 57 prefix[i] + ", suffix, " + suffix[i] + 58 ", in dir, " + dir); 59 60 try { 61 if (dir == null || dir.isEmpty()) 62 f = File.createTempFile(prefix[i], suffix[i]); 63 else 64 f = File.createTempFile(prefix[i], suffix[i], new File(dir)); 65 } catch (IOException e) { 66 if (exceptionExpected) { 67 if (e.getMessage().startsWith(exceptionMsg)) 68 exceptionThrown = true; 69 else 70 System.out.println("Wrong error message:" + 71 e.getMessage()); 72 } else { 73 throw e; 74 } 75 } 76 77 if (exceptionExpected && (!exceptionThrown || f != null)) 78 throw new RuntimeException("IOException is expected"); 79 } 80 } 81 } 82 83 public static void main(String[] args) throws Exception { 84 // Common test 85 final String name = "SpecialTempFile"; 86 String testDir = System.getProperty("test.dir", "."); 87 File f = Files.createDirectory(Paths.get(testDir, "tmpdir")).toFile(); 88 String[] nulPre = { name + "\u0000" }; 89 String[] nulSuf = { ".test" }; 90 test("NulName", nulPre, nulSuf, true); 91 92 // Test JDK-8025128 93 String[] goodPre = { "///..///", "/foo" }; 94 String[] goodSuf = { ".temp", ".tmp" }; 95 test("goodName", goodPre, goodSuf, false); 96 97 // Test JDK-8011950 98 String[] slashPre = { "temp", "///..///", "/foo" }; 99 String[] slashSuf = { "///..///..", "///..///..", "///..///.." }; 100 test("SlashedName", slashPre, slashSuf, true); 101 102 // Windows tests 103 if (!System.getProperty("os.name").startsWith("Windows")) 104 return; 105 106 // Test JDK-8013827 107 String[] resvPre = { "LPT1.package.zip", "com7.4.package.zip" }; 108 String[] resvSuf = { ".temp", ".temp" }; 109 test("ReservedName", resvPre, resvSuf, true); 110 } 111 }