qt-creator/src/libs/utils/qtcassert.h

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#pragma once

#include "utils_global.h"

namespace Utils { QTCREATOR_UTILS_EXPORT void writeAssertLocation(const char *msg); }

#define QTC_ASSERT_STRINGIFY_HELPER(x) #x
#define QTC_ASSERT_STRINGIFY(x) QTC_ASSERT_STRINGIFY_HELPER(x)
#define QTC_ASSERT_STRING(cond) ::Utils::writeAssertLocation(\
    "\"" cond"\" in file " __FILE__ ", line " QTC_ASSERT_STRINGIFY(__LINE__))

// The 'do {...} while (0)' idiom is not used for the main block here to be
// able to use 'break' and 'continue' as 'actions'.

#define QTC_ASSERT(cond, action) if (cond) {} else { QTC_ASSERT_STRING(#cond); action; } do {} while (0)
#define QTC_CHECK(cond) if (cond) {} else { QTC_ASSERT_STRING(#cond); } do {} while (0)
#define QTC_GUARD(cond) ((cond) ? true : (QTC_ASSERT_STRING(#cond), false))