Add unit testing for MythTimer. Refs #11255.

mythtv/libs/libmythbase/test/.gitignore

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+test_mythtimer

mythtv/libs/libmythbase/test/test_mythtimer.cpp

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+#include "test_mythtimer.h"
+
+QTEST_MAIN(TestMythTimer)

mythtv/libs/libmythbase/test/test_mythtimer.h

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+/*
+ *  Class TestMythTimer
+ *
+ *  Copyright (C) Daniel Kristjansson 2013
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <QtTest/QtTest>
+
+#include "mythtimer.h"
+
+class TestMythTimer: public QObject
+{
+    Q_OBJECT
+
+  private slots:
+    void StartsNotRunning(void)
+    {
+        MythTimer t;
+        QVERIFY(!t.isRunning());
+    }
+
+    void StartsOnStart(void)
+    {
+        MythTimer t;
+        t.start();
+        QVERIFY(t.isRunning());
+    }
+
+    void TimeElapsesAfterStart(void)
+    {
+        MythTimer t;
+        t.start();
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 50);
+    }
+
+    void TimeElapsesAfterRestart(void)
+    {
+        MythTimer t;
+        t.restart();
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 50);
+    }
+
+    void TimeDoesNotElapseImmediatelyAfterConstruction(void)
+    {
+        MythTimer t;
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() == 0);
+    }
+
+    void TimeElapsesContinually(void)
+    {
+        MythTimer t;
+        t.start();
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 50);
+        usleep(50 * 1000);
+        QVERIFY(t.elapsed() > 100);
+    }
+
+    void TimeResetsOnRestart(void)
+    {
+        MythTimer t;
+        t.start();
+        usleep(52 * 1000);
+        QVERIFY(t.restart() > 50);
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 50 && t.elapsed() < 75);
+    }
+
+    void AddMSecsWorks(void)
+    {
+        MythTimer t;
+        t.start();
+        t.addMSecs(-25);
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 25 && t.elapsed() < 30);
+    }
+
+    void AddMSecsIsResetOnStart(void)
+    {
+        MythTimer t;
+        t.addMSecs(-25);
+        t.start();
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 50);
+    }
+
+    void AddMSecsIsResetOnRestart(void)
+    {
+        MythTimer t;
+        t.addMSecs(-25);
+        t.restart();
+        usleep(52 * 1000);
+        QVERIFY(t.elapsed() > 50);
+    }
+};

mythtv/libs/libmythbase/test/test_mythtimer.pro

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+include ( ../../../settings.pro )
+
+CONFIG += qtestlib
+TEMPLATE = app
+TARGET = test_mythtimer
+DEPENDPATH += . ..
+INCLUDEPATH += . ..
+
+# Input
+HEADERS += test_mythtimer.h
+SOURCES += test_mythtimer.cpp
+
+HEADERS += mythtimer.h
+SOURCES += mythtimer.cpp