bool qt_check_pointer( bool c, const char *n, int l ){ if ( c ) qWarning( "In file %s, line %d: Out of memory", n, l );return TRUE;} 1. 2. 示例2:运行宏Q_ASSERT和Q_ASSERT 宏Q_ASSERT和Q_ASSERT常用来检测程序错误,下面例子使用了这两个宏: 复制 char *alloc( int size ){Q...
ASSERT_EQ(x.size(), y.size()) << "Vectors x and y are of unequal length"; for (int i = 0; i < x.size(); ++i) { EXPECT_EQ(x[i], y[i]) << "Vectors x and y differ at index " << i; } 1.1 值检查 后缀 参数 通过条件 //布尔条件 TRUE (c) c == true FALS...
count(); Q_ASSERT(nCount < MAXIMUM_WAIT_OBJECTS - 1); MSG msg; bool haveMessage; if (!(flags & QEventLoop::ExcludeUserInputEvents) && !d->queuedUserInputEvents.isEmpty()) { // process queued user input events haveMessage = true; msg = d->queuedUserInputEvents.takeFirst(); } ...
public: CustomDataType(int n = 100) : m_nValue(n) {} ~CustomDataType() {} int getValue() const { return m_nValue; } void setValue(int nValue) { m_nValue = nValue; } private: int m_nValue; }; class MyDialog : public QDialog { Q_OBJECT public: explicit MyDialog(QWidget...
assert that source container is not too large 7f9e5ccd55aa5a2800278a48a2729d361f8aeb91 QJniArray: don't subclass QJniObject 0604ce57eaf20176519e01cd4126a8a4a6eceec5 QJniObject: fix signature of LocalFrame::newLocalRef 2cb6d38089cd97f5fbc009ff4dad38661a88045c QJniArray: add missing typed...
1、console.assert()提供断言功能,它接受一个表达式,当表达式的值为false时会输出调试信息,打印QML所在行 5.9.3 计时器 1、console提供了计时器功能,方便我们测量某些代码的耗时情况。console.time(tag)启动定时器,字符串类型的tag是必需的。console.timeEnd(tag)停止计时器,在控制台输出某个标签对应的耗时信息。tag...
void* PASCAL classname::operator new(size_t nSize); void PASCAL classname::operator delete(void* p); 类的operator new操作符是类的静态成员函数,对该类的对象来说将覆盖全局的operator new。全局的operator new用来给内部类型对象(如int)、没有定义operator new操作符的类的对象分配内存。
Q_ASSERT(connectionLists->inUse >= 0); if (connectionLists->orphaned) { if (!connectionLists->inUse) delete connectionLists; } else if (connectionLists->dirty) { sender->d_func()->cleanConnectionLists(); } locker.unlock(); if (qt_signal_spy_callback_set.signal_end_callback != 0)...
*/ int QDateTimeEditPrivate::closestSection(int pos, bool forward) const { Q_ASSERT(pos >= 0); if (pos < separators.first().size()) { return forward ? 0 : FirstSectionIndex; } else if (displayText().size() - pos < separators.last().size() + 1) { return forward ? Last...
Q_ASSERT(textRect); Q_ASSERT(iconRect); QRect tr = opt->rect; bool verticalTabs = opt->shape == QTabBar::RoundedEast || opt->shape == QTabBar::RoundedWest || opt->shape == QTabBar::TriangularEast || opt->shape == QTabBar::TriangularWest; ...