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