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38****************************************************************************/
39
40#ifndef QTESTCASE_H
41#define QTESTCASE_H
42
43#include <QtTest/qttestglobal.h>
44
45#include <QtCore/qstring.h>
46#include <QtCore/qnamespace.h>
47#include <QtCore/qmetatype.h>
48#include <QtCore/qmetaobject.h>
49#include <QtCore/qsharedpointer.h>
50#include <QtCore/qtemporarydir.h>
51
52#include <string.h>
53
54#ifndef QT_NO_EXCEPTIONS
55# include <exception>
56#endif // QT_NO_EXCEPTIONS
57
58QT_BEGIN_NAMESPACE
59
60class qfloat16;
61class QRegularExpression;
62
63#define QVERIFY(statement) \
64do {\
65 if (!QTest::qVerify(static_cast<bool>(statement), #statement, "", __FILE__, __LINE__))\
66 return;\
67} while (false)
68
69#define QFAIL(message) \
70do {\
71 QTest::qFail(static_cast<const char *>(message), __FILE__, __LINE__);\
72 return;\
73} while (false)
74
75#define QVERIFY2(statement, description) \
76do {\
77 if (statement) {\
78 if (!QTest::qVerify(true, #statement, static_cast<const char *>(description), __FILE__, __LINE__))\
79 return;\
80 } else {\
81 if (!QTest::qVerify(false, #statement, static_cast<const char *>(description), __FILE__, __LINE__))\
82 return;\
83 }\
84} while (false)
85
86#define QCOMPARE(actual, expected) \
87do {\
88 if (!QTest::qCompare(actual, expected, #actual, #expected, __FILE__, __LINE__))\
89 return;\
90} while (false)
91
92
93#ifndef QT_NO_EXCEPTIONS
94
95# define QVERIFY_EXCEPTION_THROWN(expression, exceptiontype) \
96 do {\
97 QT_TRY {\
98 QT_TRY {\
99 expression;\
100 QTest::qFail("Expected exception of type " #exceptiontype " to be thrown" \
101 " but no exception caught", __FILE__, __LINE__);\
102 return;\
103 } QT_CATCH (const exceptiontype &) {\
104 }\
105 } QT_CATCH (const std::exception &e) {\
106 QByteArray msg = QByteArray() + "Expected exception of type " #exceptiontype \
107 " to be thrown but std::exception caught with message: " + e.what(); \
108 QTest::qFail(msg.constData(), __FILE__, __LINE__);\
109 return;\
110 } QT_CATCH (...) {\
111 QTest::qFail("Expected exception of type " #exceptiontype " to be thrown" \
112 " but unknown exception caught", __FILE__, __LINE__);\
113 return;\
114 }\
115 } while (false)
116
117#else // QT_NO_EXCEPTIONS
118
119/*
120 * The expression passed to the macro should throw an exception and we can't
121 * catch it because Qt has been compiled without exception support. We can't
122 * skip the expression because it may have side effects and must be executed.
123 * So, users must use Qt with exception support enabled if they use exceptions
124 * in their code.
125 */
126# define QVERIFY_EXCEPTION_THROWN(expression, exceptiontype) \
127 Q_STATIC_ASSERT_X(false, "Support of exceptions is disabled")
128
129#endif // !QT_NO_EXCEPTIONS
130
131
132#define QTRY_LOOP_IMPL(expr, timeoutValue, step) \
133 if (!(expr)) { \
134 QTest::qWait(0); \
135 } \
136 int qt_test_i = 0; \
137 for (; qt_test_i < timeoutValue && !(expr); qt_test_i += step) { \
138 QTest::qWait(step); \
139 }
140
141#define QTRY_TIMEOUT_DEBUG_IMPL(expr, timeoutValue, step)\
142 if (!(expr)) { \
143 QTRY_LOOP_IMPL((expr), (2 * timeoutValue), step);\
144 if (expr) { \
145 QString msg = QString::fromUtf8("QTestLib: This test case check (\"%1\") failed because the requested timeout (%2 ms) was too short, %3 ms would have been sufficient this time."); \
146 msg = msg.arg(QString::fromUtf8(#expr)).arg(timeoutValue).arg(timeoutValue + qt_test_i); \
147 QFAIL(qPrintable(msg)); \
148 } \
149 }
150
151// Ideally we'd use qWaitFor instead of QTRY_LOOP_IMPL, but due
152// to a compiler bug on MSVC < 2017 we can't (see QTBUG-59096)
153#define QTRY_IMPL(expr, timeout)\
154 const int qt_test_step = timeout < 350 ? timeout / 7 + 1 : 50; \
155 const int qt_test_timeoutValue = timeout; \
156 QTRY_LOOP_IMPL((expr), qt_test_timeoutValue, qt_test_step); \
157 QTRY_TIMEOUT_DEBUG_IMPL((expr), qt_test_timeoutValue, qt_test_step)\
158
159// Will try to wait for the expression to become true while allowing event processing
160#define QTRY_VERIFY_WITH_TIMEOUT(expr, timeout) \
161do { \
162 QTRY_IMPL((expr), timeout);\
163 QVERIFY(expr); \
164} while (false)
165
166#define QTRY_VERIFY(expr) QTRY_VERIFY_WITH_TIMEOUT((expr), 5000)
167
168// Will try to wait for the expression to become true while allowing event processing
169#define QTRY_VERIFY2_WITH_TIMEOUT(expr, messageExpression, timeout) \
170do { \
171 QTRY_IMPL((expr), timeout);\
172 QVERIFY2(expr, messageExpression); \
173} while (false)
174
175#define QTRY_VERIFY2(expr, messageExpression) QTRY_VERIFY2_WITH_TIMEOUT((expr), (messageExpression), 5000)
176
177// Will try to wait for the comparison to become successful while allowing event processing
178#define QTRY_COMPARE_WITH_TIMEOUT(expr, expected, timeout) \
179do { \
180 QTRY_IMPL(((expr) == (expected)), timeout);\
181 QCOMPARE((expr), expected); \
182} while (false)
183
184#define QTRY_COMPARE(expr, expected) QTRY_COMPARE_WITH_TIMEOUT((expr), expected, 5000)
185
186#define QSKIP_INTERNAL(statement) \
187do {\
188 QTest::qSkip(static_cast<const char *>(statement), __FILE__, __LINE__);\
189 return;\
190} while (false)
191
192#ifdef Q_COMPILER_VARIADIC_MACROS
193
194#define QSKIP(statement, ...) QSKIP_INTERNAL(statement)
195
196#else
197
198#define QSKIP(statement) QSKIP_INTERNAL(statement)
199
200#endif
201
202#define QEXPECT_FAIL(dataIndex, comment, mode)\
203do {\
204 if (!QTest::qExpectFail(dataIndex, static_cast<const char *>(comment), QTest::mode, __FILE__, __LINE__))\
205 return;\
206} while (false)
207
208#define QFETCH(Type, name)\
209 Type name = *static_cast<Type *>(QTest::qData(#name, ::qMetaTypeId<typename std::remove_cv<Type >::type>()))
210
211#define QFETCH_GLOBAL(Type, name)\
212 Type name = *static_cast<Type *>(QTest::qGlobalData(#name, ::qMetaTypeId<typename std::remove_cv<Type >::type>()))
213
214#define QTEST(actual, testElement)\
215do {\
216 if (!QTest::qTest(actual, testElement, #actual, #testElement, __FILE__, __LINE__))\
217 return;\
218} while (false)
219
220#define QWARN(msg)\
221 QTest::qWarn(static_cast<const char *>(msg), __FILE__, __LINE__)
222
223#ifdef QT_TESTCASE_BUILDDIR
224# define QFINDTESTDATA(basepath)\
225 QTest::qFindTestData(basepath, __FILE__, __LINE__, QT_TESTCASE_BUILDDIR)
226#else
227# define QFINDTESTDATA(basepath)\
228 QTest::qFindTestData(basepath, __FILE__, __LINE__)
229#endif
230
231# define QEXTRACTTESTDATA(resourcePath) \
232 QTest::qExtractTestData(resourcePath)
233
234class QObject;
235class QTestData;
236
237#define QTEST_COMPARE_DECL(KLASS)\
238 template<> Q_TESTLIB_EXPORT char *toString<KLASS >(const KLASS &);
239
240namespace QTest
241{
242 namespace Internal {
243
244 template<typename T> // Output registered enums
245 inline typename std::enable_if<QtPrivate::IsQEnumHelper<T>::Value, char*>::type toString(T e)
246 {
247 QMetaEnum me = QMetaEnum::fromType<T>();
248 return qstrdup(me.valueToKey(int(e))); // int cast is necessary to support enum classes
249 }
250
251 template <typename T> // Fallback
252 inline typename std::enable_if<!QtPrivate::IsQEnumHelper<T>::Value, char*>::type toString(const T &)
253 {
254 return nullptr;
255 }
256
257 template<typename F> // Output QFlags of registered enumerations
258 inline typename std::enable_if<QtPrivate::IsQEnumHelper<F>::Value, char*>::type toString(QFlags<F> f)
259 {
260 const QMetaEnum me = QMetaEnum::fromType<F>();
261 return qstrdup(me.valueToKeys(int(f)).constData());
262 }
263
264 template <typename F> // Fallback: Output hex value
265 inline typename std::enable_if<!QtPrivate::IsQEnumHelper<F>::Value, char*>::type toString(QFlags<F> f)
266 {
267 const size_t space = 3 + 2 * sizeof(unsigned); // 2 for 0x, two hex digits per byte, 1 for '\0'
268 char *msg = new char[space];
269 qsnprintf(msg, space, "0x%x", unsigned(f));
270 return msg;
271 }
272
273 } // namespace Internal
274
275 template<typename T>
276 inline char *toString(const T &t)
277 {
278 return Internal::toString(t);
279 }
280
281 template <typename T1, typename T2>
282 inline char *toString(const QPair<T1, T2> &pair);
283
284 template <typename T1, typename T2>
285 inline char *toString(const std::pair<T1, T2> &pair);
286
287 template <class... Types>
288 inline char *toString(const std::tuple<Types...> &tuple);
289
290 Q_TESTLIB_EXPORT char *toHexRepresentation(const char *ba, int length);
291 Q_TESTLIB_EXPORT char *toPrettyCString(const char *unicode, int length);
292 Q_TESTLIB_EXPORT char *toPrettyUnicode(QStringView string);
293 Q_TESTLIB_EXPORT char *toString(const char *);
294 Q_TESTLIB_EXPORT char *toString(const void *);
295
296 Q_TESTLIB_EXPORT void qInit(QObject *testObject, int argc = 0, char **argv = nullptr);
297 Q_TESTLIB_EXPORT int qRun();
298 Q_TESTLIB_EXPORT void qCleanup();
299
300 Q_TESTLIB_EXPORT int qExec(QObject *testObject, int argc = 0, char **argv = nullptr);
301 Q_TESTLIB_EXPORT int qExec(QObject *testObject, const QStringList &arguments);
302
303 Q_TESTLIB_EXPORT void setMainSourcePath(const char *file, const char *builddir = nullptr);
304
305 Q_TESTLIB_EXPORT bool qVerify(bool statement, const char *statementStr, const char *description,
306 const char *file, int line);
307 Q_TESTLIB_EXPORT void qFail(const char *statementStr, const char *file, int line);
308 Q_TESTLIB_EXPORT void qSkip(const char *message, const char *file, int line);
309 Q_TESTLIB_EXPORT bool qExpectFail(const char *dataIndex, const char *comment, TestFailMode mode,
310 const char *file, int line);
311 Q_TESTLIB_EXPORT void qWarn(const char *message, const char *file = nullptr, int line = 0);
312 Q_TESTLIB_EXPORT void ignoreMessage(QtMsgType type, const char *message);
313#if QT_CONFIG(regularexpression)
314 Q_TESTLIB_EXPORT void ignoreMessage(QtMsgType type, const QRegularExpression &messagePattern);
315#endif
316
317#if QT_CONFIG(temporaryfile)
318 Q_TESTLIB_EXPORT QSharedPointer<QTemporaryDir> qExtractTestData(const QString &dirName);
319#endif
320 Q_TESTLIB_EXPORT QString qFindTestData(const char* basepath, const char* file = nullptr, int line = 0, const char* builddir = nullptr);
321 Q_TESTLIB_EXPORT QString qFindTestData(const QString& basepath, const char* file = nullptr, int line = 0, const char* builddir = nullptr);
322
323 Q_TESTLIB_EXPORT void *qData(const char *tagName, int typeId);
324 Q_TESTLIB_EXPORT void *qGlobalData(const char *tagName, int typeId);
325 Q_TESTLIB_EXPORT void *qElementData(const char *elementName, int metaTypeId);
326 Q_TESTLIB_EXPORT QObject *testObject();
327
328 Q_TESTLIB_EXPORT const char *currentAppName();
329
330 Q_TESTLIB_EXPORT const char *currentTestFunction();
331 Q_TESTLIB_EXPORT const char *currentDataTag();
332 Q_TESTLIB_EXPORT bool currentTestFailed();
333
334 Q_TESTLIB_EXPORT Qt::Key asciiToKey(char ascii);
335 Q_TESTLIB_EXPORT char keyToAscii(Qt::Key key);
336
337 Q_TESTLIB_EXPORT bool compare_helper(bool success, const char *failureMsg,
338 char *val1, char *val2,
339 const char *actual, const char *expected,
340 const char *file, int line);
341 Q_TESTLIB_EXPORT void qSleep(int ms);
342 Q_TESTLIB_EXPORT void addColumnInternal(int id, const char *name);
343
344 template <typename T>
345 inline void addColumn(const char *name, T * = nullptr)
346 {
347 typedef std::is_same<T, const char*> QIsSameTConstChar;
348 Q_STATIC_ASSERT_X(!QIsSameTConstChar::value, "const char* is not allowed as a test data format.");
349 addColumnInternal(qMetaTypeId<T>(), name);
350 }
351 Q_TESTLIB_EXPORT QTestData &newRow(const char *dataTag);
352 Q_TESTLIB_EXPORT QTestData &addRow(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(1, 2);
353
354#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
355 // kept after adding implementation of <T1, T2> out of paranoia:
356 template <typename T>
357 inline bool qCompare(T const &t1, T const &t2, const char *actual, const char *expected,
358 const char *file, int line)
359 {
360 return compare_helper(t1 == t2, "Compared values are not the same",
361 toString(t1), toString(t2), actual, expected, file, line);
362 }
363#endif
364
365 Q_TESTLIB_EXPORT bool qCompare(qfloat16 const &t1, qfloat16 const &t2,
366 const char *actual, const char *expected, const char *file, int line);
367
368 Q_TESTLIB_EXPORT bool qCompare(float const &t1, float const &t2,
369 const char *actual, const char *expected, const char *file, int line);
370
371 Q_TESTLIB_EXPORT bool qCompare(double const &t1, double const &t2,
372 const char *actual, const char *expected, const char *file, int line);
373
374 inline bool compare_ptr_helper(const volatile void *t1, const volatile void *t2, const char *actual,
375 const char *expected, const char *file, int line)
376 {
377 return compare_helper(t1 == t2, "Compared pointers are not the same",
378 toString(t1), toString(t2), actual, expected, file, line);
379 }
380
381 inline bool compare_ptr_helper(const volatile void *t1, std::nullptr_t, const char *actual,
382 const char *expected, const char *file, int line)
383 {
384 return compare_helper(t1 == nullptr, "Compared pointers are not the same",
385 toString(t1), toString(nullptr), actual, expected, file, line);
386 }
387
388 inline bool compare_ptr_helper(std::nullptr_t, const volatile void *t2, const char *actual,
389 const char *expected, const char *file, int line)
390 {
391 return compare_helper(nullptr == t2, "Compared pointers are not the same",
392 toString(nullptr), toString(t2), actual, expected, file, line);
393 }
394
395 Q_TESTLIB_EXPORT bool compare_string_helper(const char *t1, const char *t2, const char *actual,
396 const char *expected, const char *file, int line);
397
398 Q_TESTLIB_EXPORT char *formatString(const char *prefix, const char *suffix, size_t numArguments, ...);
399
400#ifndef Q_QDOC
401 QTEST_COMPARE_DECL(short)
402 QTEST_COMPARE_DECL(ushort)
403 QTEST_COMPARE_DECL(int)
404 QTEST_COMPARE_DECL(uint)
405 QTEST_COMPARE_DECL(long)
406 QTEST_COMPARE_DECL(ulong)
407 QTEST_COMPARE_DECL(qint64)
408 QTEST_COMPARE_DECL(quint64)
409
410 QTEST_COMPARE_DECL(float)
411 QTEST_COMPARE_DECL(double)
412 QTEST_COMPARE_DECL(qfloat16)
413 QTEST_COMPARE_DECL(char)
414 QTEST_COMPARE_DECL(signed char)
415 QTEST_COMPARE_DECL(unsigned char)
416 QTEST_COMPARE_DECL(bool)
417#endif
418
419 template <typename T1, typename T2>
420 inline bool qCompare(const T1 &t1, const T2 &t2, const char *actual, const char *expected,
421 const char *file, int line)
422 {
423 return compare_helper(t1 == t2, "Compared values are not the same",
424 toString(t1), toString(t2), actual, expected, file, line);
425 }
426
427 inline bool qCompare(double const &t1, float const &t2, const char *actual,
428 const char *expected, const char *file, int line)
429 {
430 return qCompare(qreal(t1), qreal(t2), actual, expected, file, line);
431 }
432
433 inline bool qCompare(float const &t1, double const &t2, const char *actual,
434 const char *expected, const char *file, int line)
435 {
436 return qCompare(qreal(t1), qreal(t2), actual, expected, file, line);
437 }
438
439 template <typename T>
440 inline bool qCompare(const T *t1, const T *t2, const char *actual, const char *expected,
441 const char *file, int line)
442 {
443 return compare_ptr_helper(t1, t2, actual, expected, file, line);
444 }
445 template <typename T>
446 inline bool qCompare(T *t1, T *t2, const char *actual, const char *expected,
447 const char *file, int line)
448 {
449 return compare_ptr_helper(t1, t2, actual, expected, file, line);
450 }
451
452 template <typename T>
453 inline bool qCompare(T *t1, std::nullptr_t, const char *actual, const char *expected,
454 const char *file, int line)
455 {
456 return compare_ptr_helper(t1, nullptr, actual, expected, file, line);
457 }
458 template <typename T>
459 inline bool qCompare(std::nullptr_t, T *t2, const char *actual, const char *expected,
460 const char *file, int line)
461 {
462 return compare_ptr_helper(nullptr, t2, actual, expected, file, line);
463 }
464
465 template <typename T1, typename T2>
466 inline bool qCompare(const T1 *t1, const T2 *t2, const char *actual, const char *expected,
467 const char *file, int line)
468 {
469 return compare_ptr_helper(t1, static_cast<const T1 *>(t2), actual, expected, file, line);
470 }
471 template <typename T1, typename T2>
472 inline bool qCompare(T1 *t1, T2 *t2, const char *actual, const char *expected,
473 const char *file, int line)
474 {
475 return compare_ptr_helper(const_cast<const T1 *>(t1),
476 static_cast<const T1 *>(const_cast<const T2 *>(t2)), actual, expected, file, line);
477 }
478 inline bool qCompare(const char *t1, const char *t2, const char *actual,
479 const char *expected, const char *file, int line)
480 {
481 return compare_string_helper(t1, t2, actual, expected, file, line);
482 }
483 inline bool qCompare(char *t1, char *t2, const char *actual, const char *expected,
484 const char *file, int line)
485 {
486 return compare_string_helper(t1, t2, actual, expected, file, line);
487 }
488
489 /* The next two overloads are for MSVC that shows problems with implicit
490 conversions
491 */
492 inline bool qCompare(char *t1, const char *t2, const char *actual,
493 const char *expected, const char *file, int line)
494 {
495 return compare_string_helper(t1, t2, actual, expected, file, line);
496 }
497 inline bool qCompare(const char *t1, char *t2, const char *actual,
498 const char *expected, const char *file, int line)
499 {
500 return compare_string_helper(t1, t2, actual, expected, file, line);
501 }
502
503 template <class T>
504 inline bool qTest(const T& actual, const char *elementName, const char *actualStr,
505 const char *expected, const char *file, int line)
506 {
507 return qCompare(actual, *static_cast<const T *>(QTest::qElementData(elementName,
508 qMetaTypeId<T>())), actualStr, expected, file, line);
509 }
510}
511
512#undef QTEST_COMPARE_DECL
513
514QT_END_NAMESPACE
515
516#endif
517