1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.tools.bugreport;
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3 |
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4 | import static org.junit.jupiter.api.Assertions.assertEquals;
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5 |
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6 | import java.util.Arrays;
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7 |
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8 | import org.junit.jupiter.api.Test;
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9 |
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10 | /**
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11 | * Tests the {@link ReportedException} class.
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12 | * @author Michael Zangl
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13 | * @since 10285
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14 | */
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15 | class ReportedExceptionTest {
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16 | private static final class CauseOverwriteException extends RuntimeException {
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17 | private Throwable myCause;
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18 |
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19 | private CauseOverwriteException(String message) {
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20 | super(message);
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21 | }
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22 |
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23 | @Override
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24 | public synchronized Throwable getCause() {
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25 | return myCause;
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26 | }
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27 | }
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28 |
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29 | /**
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30 | * Tests that {@link ReportedException#put(String, Object)} handles null values
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31 | */
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32 | @Test
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33 | void testPutDoesHandleNull() {
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34 | ReportedException e = new ReportedException(new RuntimeException());
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35 | e.startSection("test");
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36 | Object[] a = new Object[] {
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37 | new Object(), null };
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38 | e.put("testObject", null);
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39 | e.put("testArray", a);
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40 | e.put("testList", Arrays.asList(a));
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41 | }
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42 |
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43 | /**
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44 | * Tests that {@link ReportedException#put(String, Object)} handles exceptions during toString fine.
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45 | */
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46 | @Test
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47 | void testPutDoesNotThrow() {
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48 | ReportedException e = new ReportedException(new RuntimeException());
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49 | e.startSection("test");
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50 | Object o = new Object() {
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51 | @Override
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52 | public String toString() {
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53 | throw new IllegalArgumentException("");
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54 | }
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55 | };
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56 | Object[] a = new Object[] {
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57 | new Object(), o };
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58 | e.put("testObject", o);
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59 | e.put("testArray", a);
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60 | e.put("testList", Arrays.asList(a));
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61 | }
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62 |
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63 | /**
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64 | * Tests that {@link ReportedException#isSame(ReportedException)} works as expected.
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65 | */
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66 | @Test
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67 | void testIsSame() {
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68 | // Do not break this line! All exceptions need to be created in the same line.
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69 | // CHECKSTYLE.OFF: LineLength
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70 | // @formatter:off
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71 | ReportedException[] testExceptions = new ReportedException[] {
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72 | /* 0 */ genException1(), /* 1, same as 0 */ genException1(), /* 2 */ genException2("x"), /* 3, same as 2 */ genException2("x"), /* 4, has different message than 2 */ genException2("y"), /* 5, has different stack trace than 2 */ genException3("x"), /* 6 */ genException4(true), /* 7, has different cause than 6 */ genException4(false), /* 8, has a cycle and should not crash */ genExceptionCycle() };
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73 | // @formatter:on
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74 | // CHECKSTYLE.ON: LineLength
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75 |
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76 | for (int i = 0; i < testExceptions.length; i++) {
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77 | for (int j = 0; j < testExceptions.length; j++) {
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78 | boolean is01 = (i == 0 || i == 1) && (j == 0 || j == 1);
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79 | boolean is23 = (i == 2 || i == 3) && (j == 2 || j == 3);
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80 | assertEquals(is01 || is23 || i == j, testExceptions[i].isSame(testExceptions[j]), i + ", " + j);
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81 | }
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82 | }
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83 | }
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84 |
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85 | private static ReportedException genException1() {
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86 | RuntimeException e = new RuntimeException();
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87 | return BugReport.intercept(e);
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88 | }
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89 |
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90 | private static ReportedException genException2(String message) {
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91 | RuntimeException e = new RuntimeException(message);
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92 | RuntimeException e2 = new RuntimeException(e);
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93 | return BugReport.intercept(e2);
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94 | }
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95 |
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96 | private static ReportedException genException3(String message) {
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97 | return genException2(message);
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98 | }
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99 |
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100 | private static ReportedException genException4(boolean addCause) {
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101 | RuntimeException e = new RuntimeException("x");
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102 | RuntimeException e2 = new RuntimeException("x", addCause ? e : null);
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103 | return BugReport.intercept(e2);
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104 | }
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105 |
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106 | private static ReportedException genExceptionCycle() {
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107 | CauseOverwriteException e = new CauseOverwriteException("x");
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108 | RuntimeException e2 = new RuntimeException("x", e);
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109 | e.myCause = e2;
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110 | return BugReport.intercept(e2);
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111 | }
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112 | }
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