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28
29#include <QtTest/QtTest>
30#include <QtCore/QtMath>
31#include <QtCore/QtNumeric>
32
33/* Test QTest functions not covered by other parts of the selftest. Tests that
34 * involve crashing or exiting should be added as separate tests in their own
35 * right. Tests that form a coherent group on a related theme should also go in
36 * their own directory. Tests that fail in order to exercise QTest internals
37 * are fine.
38 */
39
40class tst_TestLib : public QObject
41{
42Q_OBJECT
43private slots:
44 void basics() const;
45 void delays() const;
46 void reals_data() const;
47 void reals() const;
48};
49
50void tst_TestLib::basics() const
51{
52 QVERIFY(QByteArray(QTest::currentAppName()).contains("testlib"));
53
54 QCOMPARE(QTest::testObject(), nullptr); // last, because it should fail
55}
56
57QT_BEGIN_NAMESPACE
58
59namespace QTest {
60 // Defined; not declared in the public header, but used by qtdeclarative.
61 int defaultKeyDelay();
62 int defaultMouseDelay();
63}
64
65QT_END_NAMESPACE
66
67void tst_TestLib::delays() const
68{
69 QVERIFY(QTest::defaultMouseDelay() >= 0);
70 QVERIFY(QTest::defaultKeyDelay() >= 0);
71}
72
73void tst_TestLib::reals_data() const
74{
75 QTest::addColumn<double>(name: "actual");
76 QTest::addColumn<double>(name: "expected");
77
78 QTest::newRow(dataTag: "zero") << 0.0 << 0.0;
79#define ADDROW(func) QTest::addRow("self-%s", #func) << func() << func()
80 ADDROW(qQNaN);
81 ADDROW(qInf);
82#undef ADDROW // Just used so as to exercise addRow()
83 QTest::newRow(dataTag: "infineg") << -qInf() << -qInf();
84 QTest::newRow(dataTag: "Sin(turn/4)") << qSin(v: 9 * M_PI_2) << 1.0;
85 QTest::newRow(dataTag: "Cos(turn/2)") << qCos(v: 15 * M_PI) << -1.0;
86}
87
88void tst_TestLib::reals() const
89{
90 QFETCH(double, actual);
91 QFETCH(double, expected);
92 QCOMPARE(actual, expected);
93}
94
95QTEST_APPLESS_MAIN(tst_TestLib)
96
97#include "tst_testlib.moc"
98

source code of qtbase/tests/auto/testlib/selftests/testlib/tst_testlib.cpp