Q_ASSERT_X(eventLoop == this, "QEventLoop::exec()", "internal error"); Q_UNUSED(eventLoop); // --release warning d->inExec = false; --d->threadData->loopLevel; throw; } #endif // copied above locker.relock(); QEventLoop *eventLoop = d->threadData->eventLoops.pop(); Q_...
voidQ_ASSERT_X(booltest,constchar*where,constchar*what) 当test为false时,打印警告信息,警告信息包含自定义信息。 示例: 1#include <QCoreApplication>2#include <QDebug>34intmain(intargc,char*argv[])5{6QCoreApplication a(argc, argv);78intc =4;9intb =3;10intd = c +b;1112//Q_ASSERT(d ...
30. 开根号Sqrt(),比如Sqrt(100) = 10。pow(2,3) = 8 1、 void Q_ASSERT ( bool test ) 当test为假时打印出警告信息。 2、void Q_ASSERT_X ( bool test, const char * where, const char * what ) 当test为假时打印出警告信息,警告信息中包含自定义信息。 举例说明: 代码解析 int test(int ...
(); Q_ASSERT_X(eventLoop == this, 'QEventLoop::exec()', 'internal error'); Q_UNUSED(eventLoop); // --release warning d->inExec = false; --d->threadData->loopLevel; throw; }#endif // copied above locker.relock(); QEventLoop *eventLoop = d->threadData->eventLoops.pop();...
111 Q_ASSERT_X(eventLoop == d->q_func(), "QEventLoop::exec()", "internal error"); 112 Q_UNUSED(eventLoop); // --release warning 113 d->inExec = false; 114 --d->threadData->loopLevel; 115 } 116 }; 117 LoopReference ref(d, locker); ...
111 Q_ASSERT_X(eventLoop == d->q_func(), "QEventLoop::exec()", "internal error"); 112 Q_UNUSED(eventLoop); // --release warning 113 d->inExec = false; 114 --d->threadData->loopLevel; 115 } 116 }; 117 LoopReference ref(d, locker); ...
Q_ASSERT(c == 5); qDebug() << "Test 1"; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 演示效果如下: 2 Q_ASSERT_X Q_ASSERT_X源码如下: AI检测代码解析 Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char *file, int line) noexcep...
Spring的断言默认好像是开启的,可以直接使用Spring的断言与Java的assert关键字有几个关键的区别:运行时行为:Java的as java spring Assert Qt下常用的数值计算(绝对值qAbs,最大qMax,最小qMin,开根号Sqrt,N次方是pow,断言宏Q_ASSERT和Q_ASSERT_X ) TqAbs(constT &value)Comparesvalue to the 0 of type T ...
Q_ASSERT_X(populated, Q_FUNC_INFO, qPrintable(name)); } 代码语言:C++ 复制 // qtbase\src\gui\text\qfontdatabase.cpp /*! Returns a list of alternative fonts for the specified \a family and \a style and \a script using the \a styleHint given. ...
宏Q_ASSERT实质上是调用函数qFatal或qWarning输出信息,列出如下(在src/tools/qglobal.h中): 复制 #if !defined(Q_ASSERT)# if defined(QT_CHECK_STATE)# if defined(QT_FATAL_ASSERT)# define Q_ASSERT(x) //打印x,文件名,在程序源代码中的行号# else# define Q_ASSERT(x)# endif# else# define Q_...