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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #ifndef TESTUTILITIES_H |
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19 #define TESTUTILITIES_H |
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20 |
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21 #include <qobject.h> |
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22 #include <qglobal.h> |
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23 #include <qlist.h> |
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24 #include <qmetaobject.h> |
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25 #include <QDebug> |
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26 |
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27 /*! Provides services for OOM simulation and memory leak detection. */ |
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28 class MemoryAllocator : public QObject |
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29 { |
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30 Q_OBJECT |
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31 |
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32 public: |
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33 |
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34 /*! Activates OOM simulation. */ |
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35 static void enableOomSimulation(); |
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36 |
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37 /*! Disables OOM simulation. */ |
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38 static void disableOomSimulation(); |
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39 |
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40 /*! Checks whether OOM simulation is active. */ |
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41 static bool isOomSimulationEnabled(); |
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42 |
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43 /*! Returns current alloc fail index. */ |
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44 static int currentAllocFailIndex(); |
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45 |
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46 /*! Allocates memory. */ |
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47 static void* alloc(std::size_t sz); |
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48 |
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49 /*! Frees allocated memory. */ |
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50 static void free(void *memoryAddress); |
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51 |
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52 /*! Checks that all memory allocated through this allocator is freed. */ |
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53 static void verifyMemoryAllocations(); |
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54 |
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55 private: |
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56 |
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57 static bool m_isOomSimulationEnabled; |
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58 static int m_numOfAllocsSinceLastFail; |
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59 static int m_allocFailIndex; |
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60 static QList<void*> m_allocList; |
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61 }; |
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62 |
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63 /*! Provides services to run QTest cases with OOM simulation. */ |
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64 class OomTestExecuter : public QObject |
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65 { |
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66 Q_OBJECT |
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67 |
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68 public: |
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69 |
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70 /*! Runs specified test case with OOM simulation. */ |
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71 template <typename CLASS> |
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72 static void runTest(CLASS& testObject, void(CLASS::*testMethod)()) |
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73 { |
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74 MemoryAllocator::enableOomSimulation(); |
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75 |
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76 bool exceptionCaught = false; |
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77 do { |
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78 exceptionCaught = false; |
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79 int currentAllocFailIndex = |
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80 MemoryAllocator::currentAllocFailIndex(); |
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81 |
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82 try { |
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83 try { |
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84 QMetaObject::invokeMethod( |
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85 &testObject, "init", Qt::DirectConnection); |
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86 (testObject.*testMethod)(); |
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87 } catch (const std::bad_alloc &ex) { |
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88 exceptionCaught = true; |
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89 QMetaObject::invokeMethod( |
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90 &testObject, "cleanup", Qt::DirectConnection); |
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91 } |
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92 // TODO: for some reason bad_alloc exception is corrupted to |
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93 // unknown exception and nested catch block is needed to be able to |
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94 // handle situation. One level try-catch does not work for some reason. |
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95 } catch (...) { |
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96 exceptionCaught = true; |
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97 QMetaObject::invokeMethod( |
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98 &testObject, "cleanup", Qt::DirectConnection); |
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99 if (currentAllocFailIndex == MemoryAllocator::currentAllocFailIndex()) { |
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100 qDebug() << "OomTestExecuter::runTest, ERROR: unexpected exception!"; |
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101 throw; |
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102 } |
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103 } |
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104 } while(exceptionCaught); |
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105 |
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106 QMetaObject::invokeMethod(&testObject, "cleanup", Qt::DirectConnection); |
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107 MemoryAllocator::disableOomSimulation(); |
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108 } |
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109 |
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110 /*! Runs specified test case with OOM simulation. */ |
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111 static void runTest( |
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112 QObject &testObject, |
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113 const char *testMethod); |
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114 |
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115 /*! Runs all test cases in given QTest object with OOM simulation. */ |
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116 static void runAllTests( |
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117 QObject &testObject, |
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118 const char *callingTestMethod); |
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119 |
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120 private: |
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121 |
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122 static bool isValidSlot(const QMetaMethod &sl); |
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123 }; |
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124 |
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125 #define EXPECT_EXCEPTION(statements) \ |
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126 { \ |
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127 bool exceptionDetected = false; \ |
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128 try { \ |
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129 statements \ |
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130 } catch (...) { \ |
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131 exceptionDetected = true; \ |
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132 } \ |
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133 QVERIFY(true == exceptionDetected); \ |
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134 } |
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135 |
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136 #define QTEST_MAIN_S60(TestObject) \ |
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137 int main(int argc, char *argv[]) \ |
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138 { \ |
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139 char *new_argv[3]; \ |
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140 QCoreApplication app(argc, argv); \ |
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141 \ |
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142 QString str = "C:\\data\\" + QFileInfo(QCoreApplication::applicationFilePath()).baseName() + ".log"; \ |
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143 QByteArray bytes = str.toAscii(); \ |
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144 \ |
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145 char arg1[] = "-o"; \ |
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146 \ |
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147 new_argv[0] = argv[0]; \ |
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148 new_argv[1] = arg1; \ |
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149 new_argv[2] = bytes.data(); \ |
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150 \ |
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151 TestObject tc; \ |
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152 int result = QTest::qExec(&tc, 3, new_argv); \ |
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153 \ |
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154 MemoryAllocator::verifyMemoryAllocations(); \ |
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155 \ |
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156 return result;\ |
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157 } |
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158 |
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159 #endif // TESTUTILITIES_H |