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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the test suite of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 |
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43 #include <QtTest/QtTest> |
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44 |
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45 class tst_QGlobal: public QObject |
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46 { |
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47 Q_OBJECT |
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48 private slots: |
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49 void qIsNull(); |
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50 void qInternalCallbacks(); |
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51 void for_each(); |
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52 void qassert(); |
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53 void qtry(); |
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54 void checkptr(); |
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55 }; |
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56 |
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57 void tst_QGlobal::qIsNull() |
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58 { |
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59 double d = 0.0; |
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60 float f = 0.0f; |
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61 |
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62 QVERIFY(::qIsNull(d)); |
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63 QVERIFY(::qIsNull(f)); |
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64 |
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65 d += 0.000000001; |
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66 f += 0.0000001f; |
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67 |
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68 QVERIFY(!::qIsNull(d)); |
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69 QVERIFY(!::qIsNull(f)); |
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70 } |
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71 |
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72 struct ConnectInfo { |
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73 QObject *sender; |
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74 QObject *receiver; |
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75 QString signal, slot; |
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76 int type; |
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77 void reset() { |
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78 sender = receiver = 0; |
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79 signal = slot = QString(); |
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80 type = -1; |
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81 } |
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82 } connect_info; |
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83 |
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84 bool disconnect_callback(void **data) |
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85 { |
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86 connect_info.sender = (QObject *)(data[0]); |
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87 connect_info.receiver = (QObject *)(data[2]); |
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88 connect_info.signal = QString::fromLatin1((const char *) data[1]); |
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89 connect_info.slot = QString::fromLatin1((const char *) data[3]); |
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90 return true; |
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91 } |
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92 |
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93 bool connect_callback(void **data) |
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94 { |
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95 disconnect_callback(data); |
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96 connect_info.type = *(int *) data[4]; |
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97 return true; |
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98 } |
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99 |
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100 void tst_QGlobal::qInternalCallbacks() |
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101 { |
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102 QInternal::registerCallback(QInternal::ConnectCallback, connect_callback); |
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103 QInternal::registerCallback(QInternal::DisconnectCallback, disconnect_callback); |
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104 |
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105 QObject a, b; |
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106 QString signal = QLatin1String("2mysignal(x)"); |
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107 QString slot = QLatin1String("1myslot(x)"); |
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108 |
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109 // Test that connect works as expected... |
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110 connect_info.reset(); |
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111 bool ok = QObject::connect(&a, signal.toLatin1(), &b, slot.toLatin1(), Qt::AutoConnection); |
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112 QVERIFY(ok); |
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113 QCOMPARE(&a, connect_info.sender); |
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114 QCOMPARE(&b, connect_info.receiver); |
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115 QCOMPARE(signal, connect_info.signal); |
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116 QCOMPARE(slot, connect_info.slot); |
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117 QCOMPARE((int) Qt::AutoConnection, connect_info.type); |
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118 |
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119 // Test that disconnect works as expected |
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120 connect_info.reset(); |
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121 ok = QObject::disconnect(&a, signal.toLatin1(), &b, slot.toLatin1()); |
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122 QVERIFY(ok); |
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123 QCOMPARE(&a, connect_info.sender); |
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124 QCOMPARE(&b, connect_info.receiver); |
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125 QCOMPARE(signal, connect_info.signal); |
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126 QCOMPARE(slot, connect_info.slot); |
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127 |
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128 // Unregister callbacks and verify that they are not triggered... |
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129 QInternal::unregisterCallback(QInternal::ConnectCallback, connect_callback); |
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130 QInternal::unregisterCallback(QInternal::DisconnectCallback, disconnect_callback); |
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131 |
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132 connect_info.reset(); |
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133 ok = QObject::connect(&a, signal.toLatin1(), &b, slot.toLatin1(), Qt::AutoConnection); |
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134 QVERIFY(!ok); |
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135 QCOMPARE(connect_info.sender, (QObject *) 0); |
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136 |
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137 ok = QObject::disconnect(&a, signal.toLatin1(), &b, slot.toLatin1()); |
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138 QVERIFY(!ok); |
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139 QCOMPARE(connect_info.sender, (QObject *) 0); |
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140 } |
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141 |
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142 void tst_QGlobal::for_each() |
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143 { |
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144 QList<int> list; |
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145 list << 0 << 1 << 2 << 3 << 4 << 5; |
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146 |
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147 int counter = 0; |
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148 foreach(int i, list) { |
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149 QCOMPARE(i, counter++); |
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150 } |
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151 QCOMPARE(counter, list.count()); |
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152 |
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153 // do it again, to make sure we don't have any for-scoping |
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154 // problems with older compilers |
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155 counter = 0; |
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156 foreach(int i, list) { |
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157 QCOMPARE(i, counter++); |
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158 } |
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159 QCOMPARE(counter, list.count()); |
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160 } |
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161 |
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162 void tst_QGlobal::qassert() |
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163 { |
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164 bool passed = false; |
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165 if (false) { |
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166 Q_ASSERT(false); |
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167 } else { |
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168 passed = true; |
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169 } |
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170 QVERIFY(passed); |
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171 |
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172 passed = false; |
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173 if (false) { |
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174 Q_ASSERT_X(false, "tst_QGlobal", "qassert"); |
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175 } else { |
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176 passed = true; |
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177 } |
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178 QVERIFY(passed); |
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179 |
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180 passed = false; |
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181 if (false) |
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182 Q_ASSERT(false); |
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183 else |
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184 passed = true; |
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185 QVERIFY(passed); |
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186 |
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187 passed = false; |
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188 if (false) |
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189 Q_ASSERT_X(false, "tst_QGlobal", "qassert"); |
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190 else |
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191 passed = true; |
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192 QVERIFY(passed); |
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193 } |
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194 |
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195 void tst_QGlobal::qtry() |
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196 { |
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197 int i = 0; |
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198 QT_TRY { |
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199 i = 1; |
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200 QT_THROW(42); |
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201 i = 2; |
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202 } QT_CATCH(int) { |
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203 QCOMPARE(i, 1); |
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204 i = 7; |
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205 } |
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206 #ifdef QT_NO_EXCEPTIONS |
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207 QCOMPARE(i, 2); |
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208 #else |
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209 QCOMPARE(i, 7); |
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210 #endif |
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211 |
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212 // check propper if/else scoping |
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213 i = 0; |
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214 if (true) |
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215 QT_TRY { |
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216 i = 2; |
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217 QT_THROW(42); |
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218 i = 4; |
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219 } QT_CATCH(int) { |
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220 QCOMPARE(i, 2); |
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221 i = 4; |
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222 } |
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223 else |
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224 QCOMPARE(i, 0); |
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225 QCOMPARE(i, 4); |
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226 |
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227 i = 0; |
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228 if (false) |
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229 QT_TRY { |
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230 i = 2; |
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231 QT_THROW(42); |
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232 i = 4; |
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233 } QT_CATCH(int) { |
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234 QCOMPARE(i, 2); |
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235 i = 2; |
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236 } |
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237 else |
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238 i = 8; |
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239 QCOMPARE(i, 8); |
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240 |
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241 i = 0; |
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242 if (false) |
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243 i = 42; |
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244 else |
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245 QT_TRY { |
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246 i = 2; |
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247 QT_THROW(42); |
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248 i = 4; |
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249 } QT_CATCH(int) { |
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250 QCOMPARE(i, 2); |
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251 i = 4; |
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252 } |
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253 QCOMPARE(i, 4); |
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254 } |
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255 |
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256 void tst_QGlobal::checkptr() |
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257 { |
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258 int i; |
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259 QCOMPARE(q_check_ptr(&i), &i); |
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260 |
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261 const char *c = "hello"; |
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262 QCOMPARE(q_check_ptr(c), c); |
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263 } |
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264 |
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265 QTEST_MAIN(tst_QGlobal) |
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266 #include "tst_qglobal.moc" |