add qrand() test

Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>

diff --git a/tests/auto/qrand/CMakeLists.txt b/tests/auto/qrand/CMakeLists.txt
new file mode 100644 (file)
index 0000000..172d202
--- /dev/null
+++ b/tests/auto/qrand/CMakeLists.txt
@@ -0,0 +1,4 @@
+katie_test(tst_qrand
+    ${CMAKE_CURRENT_SOURCE_DIR}/tst_qrand.cpp
+)
+

diff --git a/tests/auto/qrand/tst_qrand.cpp b/tests/auto/qrand/tst_qrand.cpp
new file mode 100644 (file)
index 0000000..87aa318
--- /dev/null
+++ b/tests/auto/qrand/tst_qrand.cpp
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Copyright (C) 2016-2019 Ivailo Monev
+**
+** This file is part of the test suite of the Katie Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+
+class tst_QRand: public QObject
+{
+    Q_OBJECT
+private slots:
+    void random_data();
+    void random();
+};
+
+void tst_QRand::random_data()
+{
+    QTest::addColumn<bool>("seed");
+
+    QTest::newRow("with_seed") << true;
+    QTest::newRow("without_seed") << false;
+}
+
+void tst_QRand::random()
+{
+    QFETCH(bool, seed);
+
+    static int lastvalue = 0;
+    static const int numcalls = 10000;
+    for (int i = 0; i < numcalls; i++) {
+        if (seed) {
+            qsrand(i);
+        }
+
+        const int value = qrand();
+        QVERIFY(lastvalue != value);
+        lastvalue = value;
+    }
+}
+
+QTEST_MAIN(tst_QRand)
+
+#include "moc_tst_qrand.cpp"