OpsAfterClose.java revision 8729:0242fce0f717
1/* 2 * Copyright (c) 2007, 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 6359397 27 * @summary Test if FileOutputStream methods will check if the stream 28 * has been closed. 29 */ 30 31import java.io.*; 32 33public enum OpsAfterClose { 34 35 WRITE { boolean check(FileOutputStream r) { 36 try { 37 r.write(1); 38 } catch (IOException io) { 39 System.out.print("Excep Msg: "+ io.getMessage() + ", "); 40 return true; 41 } 42 return false; 43 } }, 44 45 WRITE_BUF { boolean check(FileOutputStream r) { 46 try { 47 byte buf[] = new byte[2]; 48 r.write(buf); 49 } catch (IOException io) { 50 System.out.print("Excep Msg: "+ io.getMessage() + ", "); 51 return true; 52 } 53 return false; 54 } }, 55 WRITE_BUF_OFF { boolean check(FileOutputStream r) { 56 try { 57 byte buf[] = new byte[2]; 58 int len = 1; 59 r.write(buf, 0, len); 60 } catch (IOException io) { 61 System.out.print("Excep Msg: "+ io.getMessage() + ", "); 62 return true; 63 } 64 return false; 65 } }, 66 GET_CHANNEL { boolean check(FileOutputStream r) { 67 r.getChannel(); 68 return true; 69 } }, 70 GET_FD { boolean check(FileOutputStream r) { 71 try { 72 r.getFD(); 73 return true; 74 } catch (IOException io) { 75 System.out.print("Excep Msg: "+ io.getMessage() + ", "); 76 return false; 77 } 78 } }, 79 CLOSE { boolean check(FileOutputStream r) { 80 try { 81 r.close(); 82 return true; // No Exceptin thrown on Windows 83 } catch (IOException io) { 84 System.out.print("Excep Msg: "+ io.getMessage() + ", "); 85 return true; // Exception thrown on solaris and linux 86 } 87 } }; 88 89 abstract boolean check(FileOutputStream r); 90 91 public static void main(String args[]) throws Exception { 92 93 boolean failed = false; 94 95 File f = new File(System.getProperty("test.dir", "."), 96 "f.txt"); 97 f.createNewFile(); 98 f.deleteOnExit(); 99 100 FileOutputStream fis = new FileOutputStream(f); 101 if (testFileOutputStream(fis)) { 102 throw new Exception("Test failed for some of the operation{s}" + 103 " on FileOutputStream, check the messages"); 104 } 105 } 106 107 private static boolean testFileOutputStream(FileOutputStream r) 108 throws Exception { 109 r.close(); 110 boolean failed = false; 111 boolean result; 112 System.out.println("Testing File:" + r); 113 for (OpsAfterClose op : OpsAfterClose.values()) { 114 result = op.check(r); 115 if (!result) { 116 failed = true; 117 } 118 System.out.println(op + ":" + result); 119 } 120 if (failed) { 121 System.out.println("Test failed for the failed operation{s}" + 122 " above for the FileOutputStream:" + r); 123 } 124 return failed; 125 } 126} 127