1 /* 2 * Copyright (c) 1998, 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 4152178 26 @summary Check various temp-file prefix/suffix cases */ 27 28 import java.io.File; 29 import java.io.IOException; 30 31 public class Patterns { 32 33 static File dir = new File("."); 34 35 static void ckn(String prefix, String suffix) throws Exception { 36 try { 37 File f = File.createTempFile(prefix, suffix, dir); 38 f.deleteOnExit(); 39 } catch (Exception x) { 40 if ((x instanceof IOException) 41 || (x instanceof NullPointerException) 42 || (x instanceof IllegalArgumentException)) { 43 System.err.println("\"" + prefix + "\", \"" + suffix 44 + "\" failed as expected: " + x.getMessage()); 45 return; 46 } 47 throw x; 48 } 49 throw new Exception("\"" + prefix + "\", \"" + suffix 50 + "\" should have failed"); 51 } 52 53 static void cky(String prefix, String suffix) throws Exception { 54 File f = File.createTempFile(prefix, suffix, dir); 55 f.deleteOnExit(); 56 System.err.println("\"" + prefix + "\", \"" + suffix 57 + "\" --> " + f.getPath()); 58 } 59 60 public static void main(String[] args) throws Exception { 61 ckn(null, null); 62 ckn("", null); 63 ckn("x", null); 64 ckn("xx", null); 65 cky("xxx", null); 66 cky("xxx", ""); 67 cky("xxx", "y"); 68 cky("xxx", ".y"); 69 } 70 71 }