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41
42 #ifndef QTESTEVENTLOOP_H
43 #define QTESTEVENTLOOP_H
44
45 #include <QtTest/qtest_global.h>
46
47 #include <QtCore/qcoreapplication.h>
48 #include <QtCore/qeventloop.h>
49 #include <QtCore/qobject.h>
50 #include <QtCore/qpointer.h>
51
52 QT_BEGIN_HEADER
53
54 QT_BEGIN_NAMESPACE
55
QT_MODULE(Test)56 QT_MODULE(Test)
57
58 class Q_TESTLIB_EXPORT QTestEventLoop : public QObject
59 {
60 Q_OBJECT
61
62 public:
63 inline QTestEventLoop(QObject *aParent = 0)
64 : QObject(aParent), inLoop(false), _timeout(false), timerId(-1), loop(0) {}
65 inline void enterLoop(int secs);
66
67
68 inline void changeInterval(int secs)
69 { killTimer(timerId); timerId = startTimer(secs * 1000); }
70
71 inline bool timeout() const
72 { return _timeout; }
73
74 inline static QTestEventLoop &instance()
75 {
76 static QPointer<QTestEventLoop> testLoop;
77 if (testLoop.isNull())
78 testLoop = new QTestEventLoop(QCoreApplication::instance());
79 return *static_cast<QTestEventLoop *>(testLoop);
80 }
81
82 public Q_SLOTS:
83 inline void exitLoop();
84
85 protected:
86 inline void timerEvent(QTimerEvent *e);
87
88 private:
89 bool inLoop;
90 bool _timeout;
91 int timerId;
92
93 QEventLoop *loop;
94 };
95
enterLoop(int secs)96 inline void QTestEventLoop::enterLoop(int secs)
97 {
98 Q_ASSERT(!loop);
99
100 QEventLoop l;
101
102 inLoop = true;
103 _timeout = false;
104
105 timerId = startTimer(secs * 1000);
106
107 loop = &l;
108 l.exec();
109 loop = 0;
110 }
111
exitLoop()112 inline void QTestEventLoop::exitLoop()
113 {
114 if (timerId != -1)
115 killTimer(timerId);
116 timerId = -1;
117
118 if (loop)
119 loop->exit();
120
121 inLoop = false;
122 }
123
timerEvent(QTimerEvent * e)124 inline void QTestEventLoop::timerEvent(QTimerEvent *e)
125 {
126 if (e->timerId() != timerId)
127 return;
128 _timeout = true;
129 exitLoop();
130 }
131
132 QT_END_NAMESPACE
133
134 QT_END_HEADER
135
136 #endif
137