qt6-bb10/src/testlib/qtest.h

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9.7 KiB
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// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2020 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QTEST_H
#define QTEST_H
#if 0
#pragma qt_class(QTest)
#endif
#include <QtTest/qttestglobal.h>
#include <QtTest/qtestcase.h>
#include <QtTest/qtestdata.h>
#include <QtTest/qtesttostring.h>
#include <QtTest/qbenchmark.h>
#if defined(TESTCASE_LOWDPI)
#include <QtCore/qcoreapplication.h>
#endif
#include <cstdio>
#include <initializer_list>
#include <memory>
QT_BEGIN_NAMESPACE
namespace QTest
{
template<>
inline bool qCompare(QString const &t1, QLatin1StringView const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(t1, QString(t2), actual, expected, file, line);
}
template<>
inline bool qCompare(QLatin1StringView const &t1, QString const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(QString(t1), t2, actual, expected, file, line);
}
// Compare sequences of equal size
template <typename ActualIterator, typename ExpectedIterator>
bool _q_compareSequence(ActualIterator actualIt, ActualIterator actualEnd,
ExpectedIterator expectedBegin, ExpectedIterator expectedEnd,
const char *actual, const char *expected,
const char *file, int line)
{
char msg[1024];
msg[0] = '\0';
const qsizetype actualSize = actualEnd - actualIt;
const qsizetype expectedSize = expectedEnd - expectedBegin;
bool isOk = actualSize == expectedSize;
if (!isOk) {
std::snprintf(msg, sizeof(msg), "Compared lists have different sizes.\n"
" Actual (%s) size: %lld\n"
" Expected (%s) size: %lld",
actual, qlonglong(actualSize),
expected, qlonglong(expectedSize));
}
for (auto expectedIt = expectedBegin; isOk && expectedIt < expectedEnd; ++actualIt, ++expectedIt) {
if (!(*actualIt == *expectedIt)) {
const qsizetype i = qsizetype(expectedIt - expectedBegin);
char *val1 = toString(*actualIt);
char *val2 = toString(*expectedIt);
std::snprintf(msg, sizeof(msg), "Compared lists differ at index %lld.\n"
" Actual (%s): %s\n"
" Expected (%s): %s",
qlonglong(i), actual, val1 ? val1 : "<null>",
expected, val2 ? val2 : "<null>");
isOk = false;
delete [] val1;
delete [] val2;
}
}
return compare_helper(isOk, msg, actual, expected, file, line);
}
namespace Internal {
#if defined(TESTCASE_LOWDPI)
void disableHighDpi()
{
qputenv("QT_ENABLE_HIGHDPI_SCALING", "0");
}
Q_CONSTRUCTOR_FUNCTION(disableHighDpi);
#endif
} // namespace Internal
template <typename T>
inline bool qCompare(QList<T> const &t1, QList<T> const &t2, const char *actual, const char *expected,
const char *file, int line)
{
return _q_compareSequence(t1.cbegin(), t1.cend(), t2.cbegin(), t2.cend(),
actual, expected, file, line);
}
template <typename T, int N>
bool qCompare(QList<T> const &t1, std::initializer_list<T> t2,
const char *actual, const char *expected,
const char *file, int line)
{
return _q_compareSequence(t1.cbegin(), t1.cend(), t2.cbegin(), t2.cend(),
actual, expected, file, line);
}
// Compare QList against array
template <typename T, int N>
bool qCompare(QList<T> const &t1, const T (& t2)[N],
const char *actual, const char *expected,
const char *file, int line)
{
return _q_compareSequence(t1.cbegin(), t1.cend(), t2, t2 + N,
actual, expected, file, line);
}
template <typename T>
inline bool qCompare(QFlags<T> const &t1, T const &t2, const char *actual, const char *expected,
const char *file, int line)
{
using Int = typename QFlags<T>::Int;
return qCompare(Int(t1), Int(t2), actual, expected, file, line);
}
template <typename T>
inline bool qCompare(QFlags<T> const &t1, int const &t2, const char *actual, const char *expected,
const char *file, int line)
{
using Int = typename QFlags<T>::Int;
return qCompare(Int(t1), Int(t2), actual, expected, file, line);
}
template<>
inline bool qCompare(qint64 const &t1, qint32 const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(t1, static_cast<qint64>(t2), actual, expected, file, line);
}
template<>
inline bool qCompare(qint64 const &t1, quint32 const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(t1, static_cast<qint64>(t2), actual, expected, file, line);
}
template<>
inline bool qCompare(quint64 const &t1, quint32 const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(t1, static_cast<quint64>(t2), actual, expected, file, line);
}
template<>
inline bool qCompare(qint32 const &t1, qint64 const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(static_cast<qint64>(t1), t2, actual, expected, file, line);
}
template<>
inline bool qCompare(quint32 const &t1, qint64 const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(static_cast<qint64>(t1), t2, actual, expected, file, line);
}
template<>
inline bool qCompare(quint32 const &t1, quint64 const &t2, const char *actual,
const char *expected, const char *file, int line)
{
return qCompare(static_cast<quint64>(t1), t2, actual, expected, file, line);
}
namespace Internal {
template <typename T>
class HasInitMain // SFINAE test for the presence of initMain()
{
private:
using YesType = char[1];
using NoType = char[2];
template <typename C> static YesType& test( decltype(&C::initMain) ) ;
template <typename C> static NoType& test(...);
public:
enum { value = sizeof(test<T>(nullptr)) == sizeof(YesType) };
};
template<typename T>
typename std::enable_if<HasInitMain<T>::value, void>::type callInitMain()
{
T::initMain();
}
template<typename T>
typename std::enable_if<!HasInitMain<T>::value, void>::type callInitMain()
{
}
} // namespace Internal
} // namespace QTest
QT_END_NAMESPACE
#ifdef QT_TESTCASE_BUILDDIR
# define QTEST_SET_MAIN_SOURCE_PATH QTest::setMainSourcePath(__FILE__, QT_TESTCASE_BUILDDIR);
#else
# define QTEST_SET_MAIN_SOURCE_PATH QTest::setMainSourcePath(__FILE__);
#endif
// Hooks for coverage-testing of QTestLib itself:
#if QT_CONFIG(testlib_selfcover) && defined(__COVERAGESCANNER__)
struct QtCoverageScanner
{
QtCoverageScanner(const char *name)
{
__coveragescanner_clear();
__coveragescanner_testname(name);
}
~QtCoverageScanner()
{
__coveragescanner_save();
__coveragescanner_testname("");
}
};
#define TESTLIB_SELFCOVERAGE_START(name) QtCoverageScanner _qtCoverageScanner(name);
#else
#define TESTLIB_SELFCOVERAGE_START(name)
#endif
#if !defined(QTEST_BATCH_TESTS)
// Internal (but used by some testlib selftests to hack argc and argv).
// Tests should normally implement initMain() if they have set-up to do before
// instantiating the test class.
#define QTEST_MAIN_WRAPPER(TestObject, ...) \
int main(int argc, char *argv[]) \
{ \
TESTLIB_SELFCOVERAGE_START(#TestObject) \
QT_PREPEND_NAMESPACE(QTest::Internal::callInitMain)<TestObject>(); \
__VA_ARGS__ \
TestObject tc; \
QTEST_SET_MAIN_SOURCE_PATH \
return QTest::qExec(&tc, argc, argv); \
}
#else
// BATCHED_TEST_NAME is defined for each test in a batch in cmake. Some odd
// targets, like snippets, don't define it though. Play safe by providing a
// default value.
#if !defined(BATCHED_TEST_NAME)
#define BATCHED_TEST_NAME "other"
#endif
#define QTEST_MAIN_WRAPPER(TestObject, ...) \
\
void qRegister##TestObject() \
{ \
auto runTest = [](int argc, char** argv) -> int { \
TESTLIB_SELFCOVERAGE_START(TestObject) \
QT_PREPEND_NAMESPACE(QTest::Internal::callInitMain)<TestObject>(); \
__VA_ARGS__ \
TestObject tc; \
QTEST_SET_MAIN_SOURCE_PATH \
return QTest::qExec(&tc, argc, argv); \
}; \
QTest::qRegisterTestCase(QStringLiteral(BATCHED_TEST_NAME), runTest); \
} \
\
Q_CONSTRUCTOR_FUNCTION(qRegister##TestObject)
#endif
// For when you don't even want a QApplication:
#define QTEST_APPLESS_MAIN(TestObject) QTEST_MAIN_WRAPPER(TestObject)
#include <QtTest/qtestsystem.h>
#if defined(QT_NETWORK_LIB)
# include <QtTest/qtest_network.h>
#endif
// Internal
#define QTEST_QAPP_SETUP(klaz) \
klaz app(argc, argv); \
app.setAttribute(Qt::AA_Use96Dpi, true);
#if defined(QT_WIDGETS_LIB)
# include <QtTest/qtest_widgets.h>
# ifdef QT_KEYPAD_NAVIGATION
# define QTEST_DISABLE_KEYPAD_NAVIGATION QApplication::setNavigationMode(Qt::NavigationModeNone);
# else
# define QTEST_DISABLE_KEYPAD_NAVIGATION
# endif
// Internal
# define QTEST_MAIN_SETUP() QTEST_QAPP_SETUP(QApplication) QTEST_DISABLE_KEYPAD_NAVIGATION
#elif defined(QT_GUI_LIB)
# include <QtTest/qtest_gui.h>
// Internal
# define QTEST_MAIN_SETUP() QTEST_QAPP_SETUP(QGuiApplication)
#else
// Internal
# define QTEST_MAIN_SETUP() QTEST_QAPP_SETUP(QCoreApplication)
#endif // QT_GUI_LIB
// For most tests:
#define QTEST_MAIN(TestObject) QTEST_MAIN_WRAPPER(TestObject, QTEST_MAIN_SETUP())
// For command-line tests
#define QTEST_GUILESS_MAIN(TestObject) \
QTEST_MAIN_WRAPPER(TestObject, QTEST_QAPP_SETUP(QCoreApplication))
#endif