Timeline: Test TimelineZoomControl

Change-Id: I7053848aa5c77228ef2ce760899f411cf35c3c25
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

5 files changed, 247 insertions, 2 deletions

diff --git a/tests/auto/timeline/timeline.pro b/tests/auto/timeline/timeline.pro
index fc52112964..e493845a57 100644
--- a/tests/auto/timeline/timeline.pro
+++ b/tests/auto/timeline/timeline.pro
@@ -9,7 +9,8 @@ SUBDIRS = \
     timelineoverviewrenderer \
     timelinerenderer \
     timelinerenderpass \
-    timelinerenderstate
+    timelinerenderstate \
+    timelinezoomcontrol
 
 minQtVersion(5,4,0) {
     SUBDIRS += \
diff --git a/tests/auto/timeline/timeline.qbs b/tests/auto/timeline/timeline.qbs
index b3b67a7182..27cf27bc79 100644
--- a/tests/auto/timeline/timeline.qbs
+++ b/tests/auto/timeline/timeline.qbs
@@ -16,6 +16,7 @@ Project {
         "timelinerenderer/timelinerenderer.qbs",
         "timelinerenderpass/timelinerenderpass.qbs",
         "timelinerenderstate/timelinerenderstate.qbs",
-        "timelineselectionrenderpass/timelineselectionrenderpass.qbs"
+        "timelineselectionrenderpass/timelineselectionrenderpass.qbs",
+        "timelinezoomcontrol/timelinezoomcontrol.qbs"
     ]
 }
diff --git a/tests/auto/timeline/timelinezoomcontrol/timelinezoomcontrol.pro b/tests/auto/timeline/timelinezoomcontrol/timelinezoomcontrol.pro
new file mode 100644
index 0000000000..41b11637e0
--- /dev/null
+++ b/tests/auto/timeline/timelinezoomcontrol/timelinezoomcontrol.pro
@@ -0,0 +1,4 @@
+include(../shared/shared.pri)
+
+SOURCES += \
+    tst_timelinezoomcontrol.cpp
diff --git a/tests/auto/timeline/timelinezoomcontrol/timelinezoomcontrol.qbs b/tests/auto/timeline/timelinezoomcontrol/timelinezoomcontrol.qbs
new file mode 100644
index 0000000000..6f189d16b9
--- /dev/null
+++ b/tests/auto/timeline/timelinezoomcontrol/timelinezoomcontrol.qbs
@@ -0,0 +1,12 @@
+import qbs
+import "../timelineautotest.qbs" as TimelineAutotest
+
+TimelineAutotest {
+    name: "TimelineZoomcontrol autotest"
+    Group {
+        name: "Test sources"
+        files: [
+            "tst_timelinezoomcontrol.cpp"
+        ]
+    }
+}
diff --git a/tests/auto/timeline/timelinezoomcontrol/tst_timelinezoomcontrol.cpp b/tests/auto/timeline/timelinezoomcontrol/tst_timelinezoomcontrol.cpp
new file mode 100644
index 0000000000..8e3ec78308
--- /dev/null
+++ b/tests/auto/timeline/timelinezoomcontrol/tst_timelinezoomcontrol.cpp
@@ -0,0 +1,227 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** 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 http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** 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.
+**
+** In addition, 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.
+**
+****************************************************************************/
+
+#include <QtTest>
+#include <QColor>
+#include <timeline/timelinezoomcontrol.h>
+
+class tst_TimelineZoomControl : public QObject
+{
+    Q_OBJECT
+private:
+    void verifyWindow(const Timeline::TimelineZoomControl &zoomControl);
+
+private slots:
+    void trace();
+    void window();
+    void range();
+    void selection();
+};
+
+void tst_TimelineZoomControl::verifyWindow(const Timeline::TimelineZoomControl &zoomControl)
+{
+    QVERIFY(zoomControl.windowStart() <= zoomControl.rangeStart());
+    QVERIFY(zoomControl.windowEnd() >= zoomControl.rangeEnd());
+    QVERIFY(zoomControl.traceStart() <= zoomControl.windowStart());
+    QVERIFY(zoomControl.traceEnd() >= zoomControl.windowEnd());
+}
+
+void tst_TimelineZoomControl::trace()
+{
+    Timeline::TimelineZoomControl zoomControl;
+    QSignalSpy spy(&zoomControl, SIGNAL(traceChanged(qint64,qint64)));
+    QCOMPARE(zoomControl.traceStart(), -1);
+    QCOMPARE(zoomControl.traceEnd(), -1);
+    QCOMPARE(zoomControl.traceDuration(), 0);
+
+    zoomControl.setTrace(100, 200);
+    QCOMPARE(zoomControl.traceStart(), 100);
+    QCOMPARE(zoomControl.traceEnd(), 200);
+    QCOMPARE(zoomControl.traceDuration(), 100);
+    QCOMPARE(spy.count(), 1);
+
+    zoomControl.clear();
+    QCOMPARE(zoomControl.traceStart(), -1);
+    QCOMPARE(zoomControl.traceEnd(), -1);
+    QCOMPARE(zoomControl.traceDuration(), 0);
+    QCOMPARE(spy.count(), 2);
+}
+
+void tst_TimelineZoomControl::window()
+{
+    Timeline::TimelineZoomControl zoomControl;
+
+    QTimer timer;
+    timer.setSingleShot(true);
+    connect(&timer, &QTimer::timeout, [&](){
+        QVERIFY(zoomControl.windowLocked());
+        zoomControl.setWindowLocked(false);
+    });
+
+    int numWindowChanges = 0;
+
+    connect(&zoomControl, &Timeline::TimelineZoomControl::windowChanged,
+            [&](qint64, qint64) {
+        verifyWindow(zoomControl);
+
+        QVERIFY(!timer.isActive());
+        if (++numWindowChanges == 9) { // delay a bit during a move
+            zoomControl.setWindowLocked(true);
+            timer.start(300);
+        }
+    });
+
+    QCOMPARE(zoomControl.windowStart(), -1);
+    QCOMPARE(zoomControl.windowEnd(), -1);
+    QCOMPARE(zoomControl.windowDuration(), 0);
+
+    zoomControl.setTrace(100, 200);
+    QCOMPARE(zoomControl.windowStart(), 100);
+    QCOMPARE(zoomControl.windowEnd(), 200);
+    QCOMPARE(zoomControl.windowDuration(), 100);
+
+    zoomControl.clear();
+    QCOMPARE(zoomControl.windowStart(), -1);
+    QCOMPARE(zoomControl.windowEnd(), -1);
+    QCOMPARE(zoomControl.windowDuration(), 0);
+
+    zoomControl.setTrace(100000, 200000);
+    QCOMPARE(zoomControl.windowStart(), 100000);
+    QVERIFY(zoomControl.windowEnd() < 110000);
+
+    zoomControl.setRange(199995, 200000); // jump to end
+    verifyWindow(zoomControl);
+    zoomControl.setRange(100000, 100005); // jump to start
+    verifyWindow(zoomControl);
+
+    zoomControl.setRange(150000, 150005);
+    zoomControl.setRange(152000, 152005); // move right
+
+    QMetaObject::Connection connection = connect(
+                &zoomControl, &Timeline::TimelineZoomControl::windowMovingChanged,
+                [&](bool moving) {
+        if (moving)
+            return;
+
+        verifyWindow(zoomControl);
+        if (zoomControl.windowEnd() == zoomControl.traceEnd()) {
+            zoomControl.setRange(104005, 104010); // jump left
+            verifyWindow(zoomControl);
+            zoomControl.setRange(102005, 102010); // make sure it doesn't overrun trace start
+        } else if (zoomControl.windowStart() == zoomControl.traceStart()) {
+            qApp->exit();
+        } else {
+            QVERIFY(zoomControl.rangeStart() - zoomControl.windowStart() ==
+                    zoomControl.windowEnd() - zoomControl.rangeEnd());
+            if (zoomControl.rangeStart() == 152000) {
+                zoomControl.setRange(150000, 150005); // move left
+            } else if (zoomControl.rangeStart() == 150000) {
+                zoomControl.setRange(196990, 196995); // jump right
+                verifyWindow(zoomControl);
+                zoomControl.setRange(198990, 198995); // make sure it doesn't overrun trace end
+            }
+        }
+        verifyWindow(zoomControl);
+    });
+
+    qApp->exec();
+
+    disconnect(connection);
+
+    bool stopDetected = false;
+    connect(&zoomControl, &Timeline::TimelineZoomControl::windowMovingChanged, [&](bool moving) {
+        if (!moving) {
+            QCOMPARE(stopDetected, false);
+            stopDetected = true;
+        } else {
+            zoomControl.clear();
+            QCOMPARE(zoomControl.windowStart(), -1);
+            QCOMPARE(zoomControl.windowEnd(), -1);
+            QCOMPARE(zoomControl.rangeStart(), -1);
+            QCOMPARE(zoomControl.rangeEnd(), -1);
+            zoomControl.clear(); // no second windowMovingChanged(false), please
+        }
+    });
+
+    zoomControl.setRange(180010, 180015);
+}
+
+void tst_TimelineZoomControl::range()
+{
+    Timeline::TimelineZoomControl zoomControl;
+    QSignalSpy spy(&zoomControl, SIGNAL(rangeChanged(qint64,qint64)));
+    QCOMPARE(zoomControl.rangeStart(), -1);
+    QCOMPARE(zoomControl.rangeEnd(), -1);
+    QCOMPARE(zoomControl.rangeDuration(), 0);
+
+    zoomControl.setTrace(10, 500);
+    QCOMPARE(zoomControl.rangeStart(), 10);
+    QCOMPARE(zoomControl.rangeEnd(), 10);
+    QCOMPARE(zoomControl.rangeDuration(), 0);
+    QCOMPARE(spy.count(), 1);
+
+    zoomControl.setRange(100, 200);
+    QCOMPARE(zoomControl.rangeStart(), 100);
+    QCOMPARE(zoomControl.rangeEnd(), 200);
+    QCOMPARE(zoomControl.rangeDuration(), 100);
+    QCOMPARE(spy.count(), 2);
+
+    zoomControl.clear();
+    QCOMPARE(zoomControl.rangeStart(), -1);
+    QCOMPARE(zoomControl.rangeEnd(), -1);
+    QCOMPARE(zoomControl.rangeDuration(), 0);
+    QCOMPARE(spy.count(), 3);
+}
+
+void tst_TimelineZoomControl::selection()
+{
+    Timeline::TimelineZoomControl zoomControl;
+    QSignalSpy spy(&zoomControl, SIGNAL(selectionChanged(qint64,qint64)));
+    QCOMPARE(zoomControl.selectionStart(), -1);
+    QCOMPARE(zoomControl.selectionEnd(), -1);
+    QCOMPARE(zoomControl.selectionDuration(), 0);
+
+    zoomControl.setTrace(10, 500);
+    zoomControl.setSelection(100, 200);
+    QCOMPARE(zoomControl.selectionStart(), 100);
+    QCOMPARE(zoomControl.selectionEnd(), 200);
+    QCOMPARE(zoomControl.selectionDuration(), 100);
+    QCOMPARE(spy.count(), 1);
+
+    zoomControl.clear();
+    QCOMPARE(zoomControl.selectionStart(), -1);
+    QCOMPARE(zoomControl.selectionEnd(), -1);
+    QCOMPARE(zoomControl.selectionDuration(), 0);
+    QCOMPARE(spy.count(), 2);
+}
+
+QTEST_MAIN(tst_TimelineZoomControl)
+
+#include "tst_timelinezoomcontrol.moc"