From f3de22b2117f083308a45cc3ed80979db421e274 Mon Sep 17 00:00:00 2001
From: Edward Welbourne <edward.welbourne@qt.io>
Date: Tue, 16 Oct 2018 19:07:14 +0200
Subject: Add assorted tests to exercise more QTest functions
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Coverage analysis reveals some unexercised code.

Task-number: QTPM-1385
Change-Id: Ib3fdbcf778e7af14ca6dfa1a11bcb4943276de69
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>
---
 .../auto/testlib/selftests/testlib/tst_testlib.cpp | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 tests/auto/testlib/selftests/testlib/tst_testlib.cpp

(limited to 'tests/auto/testlib/selftests/testlib/tst_testlib.cpp')

diff --git a/tests/auto/testlib/selftests/testlib/tst_testlib.cpp b/tests/auto/testlib/selftests/testlib/tst_testlib.cpp
new file mode 100644
index 0000000000..38a71be732
--- /dev/null
+++ b/tests/auto/testlib/selftests/testlib/tst_testlib.cpp
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <QtCore/QtMath>
+#include <QtCore/QtNumeric>
+
+/* Test QTest functions not covered by other parts of the selftest.  Tests that
+ * involve crashing or exiting should be added as separate tests in their own
+ * right.  Tests that form a coherent group on a related theme should also go in
+ * their own directory.  Tests that fail in order to exercise QTest internals
+ * are fine.
+ */
+
+class tst_TestLib : public QObject
+{
+Q_OBJECT
+private slots:
+    void basics() const;
+    void delays() const;
+    void reals_data() const;
+    void reals() const;
+};
+
+void tst_TestLib::basics() const
+{
+    QVERIFY(QByteArray(QTest::currentAppName()).contains("testlib"));
+
+    QCOMPARE(QTest::testObject(), nullptr); // last, because it should fail
+}
+
+QT_BEGIN_NAMESPACE
+
+namespace QTest {
+    // Defined; not declared in the public header, but used by qtdeclarative.
+    int defaultKeyDelay();
+    int defaultMouseDelay();
+}
+
+QT_END_NAMESPACE
+
+void tst_TestLib::delays() const
+{
+    QVERIFY(QTest::defaultMouseDelay() >= 0);
+    QVERIFY(QTest::defaultKeyDelay() >= 0);
+}
+
+void tst_TestLib::reals_data() const
+{
+    QTest::addColumn<double>("actual");
+    QTest::addColumn<double>("expected");
+
+    QTest::newRow("zero") << 0.0 << 0.0;
+#define ADDROW(func) QTest::addRow("self-%s", #func) << func() << func()
+    ADDROW(qQNaN);
+    ADDROW(qInf);
+#undef ADDROW // Just used so as to exercise addRow()
+    QTest::newRow("infineg") << -qInf() << -qInf();
+    QTest::newRow("Sin(turn/4)") << qSin(9 * M_PI_2) << 1.0;
+    QTest::newRow("Cos(turn/2)") << qCos(15 * M_PI) << -1.0;
+}
+
+void tst_TestLib::reals() const
+{
+    QFETCH(double, actual);
+    QFETCH(double, expected);
+    QCOMPARE(actual, expected);
+}
+
+QTEST_APPLESS_MAIN(tst_TestLib)
+
+#include "tst_testlib.moc"
-- 
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