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1 /* |
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2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8013163 |
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27 * @author sogoel |
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28 * @summary Test multiple nested multi-catch blocks with Exception hierarchies |
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29 * @run main Pos11 |
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30 */ |
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31 |
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32 /* |
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33 * For this test, exception hierarchy used: |
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34 * |
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35 * Throwable |
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36 * / \ |
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37 * Exception Error |
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38 * | | | |
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39 * A B D |
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40 * | |
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41 * C |
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42 * | |
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43 * E |
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44 * As an exception is thrown within a nested try-catch block, outer catch blocks |
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45 * will catch an exception or its child exceptions, so the same exception can |
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46 * be caught and rethrown multiple times. |
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47 */ |
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48 |
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49 public class Pos11 { |
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50 |
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51 public static String results = ""; |
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52 public static String sExpected = "-AB:A-AB:B-CD:C-AB:C-CD:D-Throwable:D-CD:E" + |
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53 "-AB:E-Exception:Exception-Throwable:Exception"; |
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54 |
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55 enum TestExceptions { |
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56 A("A"), |
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57 B("B"), |
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58 C("C"), |
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59 D("D"), |
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60 E("E"), |
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61 U("U"); |
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62 |
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63 String exType; |
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64 TestExceptions(String type) { |
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65 this.exType = type; |
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66 } |
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67 } |
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68 |
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69 public static void main(String... args) { |
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70 Pos11 pos11 = new Pos11(); |
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71 for(TestExceptions t : TestExceptions.values()) { |
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72 pos11.rethrower(t.exType); |
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73 } |
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74 if (results.compareTo(sExpected) != 0) |
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75 throw new RuntimeException("FAIL: final strings did not match:\n" |
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76 + results + "!=\n" + sExpected); |
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77 System.out.println("PASS"); |
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78 } |
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79 |
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80 void rethrower(String T) { |
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81 try { /* try1 */ |
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82 try { /* try2 */ |
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83 try { /* try3 */ |
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84 try { /* try4 */ |
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85 switch (T) { |
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86 case "A": |
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87 throw new A(); |
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88 case "B": |
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89 throw new B(); |
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90 case "C": |
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91 throw new C(); |
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92 case "D": |
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93 throw new D(); |
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94 case "E": |
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95 throw new E(); |
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96 default: |
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97 throw new Exception( |
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98 new Throwable()); |
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99 } |
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100 } catch ( final C|D cd) { |
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101 results=results.concat("-CD:" + cd.getClass().getSimpleName()); |
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102 throw cd; |
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103 } |
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104 } catch (final A|B ab) { |
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105 results=results.concat("-AB:" + ab.getClass().getSimpleName()); |
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106 } |
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107 } catch (final Exception e ) { |
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108 results=results.concat("-Exception:" + e.getClass().getSimpleName()); |
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109 throw e; |
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110 } |
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111 } catch (Throwable t) { |
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112 results=results.concat("-Throwable:" + t.getClass().getSimpleName()); |
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113 } |
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114 } |
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115 |
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116 // Test Exception |
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117 static class A extends Exception {} |
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118 |
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119 // Test Exception |
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120 static class B extends Exception {} |
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121 |
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122 // Test Exception |
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123 static class C extends B {} |
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124 |
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125 // Not a descendant of Exception |
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126 static class D extends Error {} |
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127 |
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128 // Test Exception |
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129 static class E extends C {} |
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130 |
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131 } |
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132 |