J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /** |
| 2 | * @test |
| 3 | * @bug 6359397 |
| 4 | * @summary Test if FileOutputStream methods will check if the stream |
| 5 | * has been closed. |
| 6 | */ |
| 7 | |
| 8 | import java.io.*; |
| 9 | |
| 10 | public enum OpsAfterClose { |
| 11 | |
| 12 | WRITE { boolean check(FileOutputStream r) { |
| 13 | try { |
| 14 | r.write(1); |
| 15 | } catch (IOException io) { |
| 16 | System.out.print("Excep Msg: "+ io.getMessage() + ", "); |
| 17 | return true; |
| 18 | } |
| 19 | return false; |
| 20 | } }, |
| 21 | |
| 22 | WRITE_BUF { boolean check(FileOutputStream r) { |
| 23 | try { |
| 24 | byte buf[] = new byte[2]; |
| 25 | r.write(buf); |
| 26 | } catch (IOException io) { |
| 27 | System.out.print("Excep Msg: "+ io.getMessage() + ", "); |
| 28 | return true; |
| 29 | } |
| 30 | return false; |
| 31 | } }, |
| 32 | WRITE_BUF_OFF { boolean check(FileOutputStream r) { |
| 33 | try { |
| 34 | byte buf[] = new byte[2]; |
| 35 | int len = 1; |
| 36 | r.write(buf, 0, len); |
| 37 | } catch (IOException io) { |
| 38 | System.out.print("Excep Msg: "+ io.getMessage() + ", "); |
| 39 | return true; |
| 40 | } |
| 41 | return false; |
| 42 | } }, |
| 43 | GET_CHANNEL { boolean check(FileOutputStream r) { |
| 44 | r.getChannel(); |
| 45 | return true; |
| 46 | } }, |
| 47 | GET_FD { boolean check(FileOutputStream r) { |
| 48 | try { |
| 49 | r.getFD(); |
| 50 | return true; |
| 51 | } catch (IOException io) { |
| 52 | System.out.print("Excep Msg: "+ io.getMessage() + ", "); |
| 53 | return false; |
| 54 | } |
| 55 | } }, |
| 56 | CLOSE { boolean check(FileOutputStream r) { |
| 57 | try { |
| 58 | r.close(); |
| 59 | return true; // No Exceptin thrown on Windows |
| 60 | } catch (IOException io) { |
| 61 | System.out.print("Excep Msg: "+ io.getMessage() + ", "); |
| 62 | return true; // Exception thrown on solaris and linux |
| 63 | } |
| 64 | } }; |
| 65 | |
| 66 | abstract boolean check(FileOutputStream r); |
| 67 | |
| 68 | public static void main(String args[]) throws Exception { |
| 69 | |
| 70 | boolean failed = false; |
| 71 | |
| 72 | File f = new File(System.getProperty("test.dir", "."), |
| 73 | "f.txt"); |
| 74 | f.createNewFile(); |
| 75 | f.deleteOnExit(); |
| 76 | |
| 77 | FileOutputStream fis = new FileOutputStream(f); |
| 78 | if (testFileOutputStream(fis)) { |
| 79 | throw new Exception("Test failed for some of the operation{s}" + |
| 80 | " on FileOutputStream, check the messages"); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | private static boolean testFileOutputStream(FileOutputStream r) |
| 85 | throws Exception { |
| 86 | r.close(); |
| 87 | boolean failed = false; |
| 88 | boolean result; |
| 89 | System.out.println("Testing File:" + r); |
| 90 | for (OpsAfterClose op : OpsAfterClose.values()) { |
| 91 | result = op.check(r); |
| 92 | if (!result) { |
| 93 | failed = true; |
| 94 | } |
| 95 | System.out.println(op + ":" + result); |
| 96 | } |
| 97 | if (failed) { |
| 98 | System.out.println("Test failed for the failed operation{s}" + |
| 99 | " above for the FileOutputStream:" + r); |
| 100 | } |
| 101 | return failed; |
| 102 | } |
| 103 | } |