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28#include <QtTest/QtTest>
29#include <qsignalspy.h>
30#include <QtQml/qqmlengine.h>
31#include <QtQml/qqmlcomponent.h>
32#include <QtQuick/qquickview.h>
33#include <QtQuick/private/qquickdraghandler_p.h>
34#include "../../shared/util.h"
35#include "../shared/viewtestutil.h"
36
37class tst_qquickboundaryrule : public QQmlDataTest
38{
39 Q_OBJECT
40public:
41 tst_qquickboundaryrule() {}
42
43private slots:
44 void init() { qApp->processEvents(); } //work around animation timer bug (QTBUG-22865)
45 void dragHandler();
46};
47
48void tst_qquickboundaryrule::dragHandler()
49{
50 QQuickView window;
51 QByteArray errorMessage;
52 QVERIFY2(QQuickTest::initView(window, testFileUrl("dragHandler.qml"), true, &errorMessage), errorMessage.constData());
53 window.show();
54 QVERIFY(QTest::qWaitForWindowExposed(&window));
55 QQuickItem *target = window.rootObject();
56 QVERIFY(target);
57 QQuickDragHandler *dragHandler = target->findChild<QQuickDragHandler*>();
58 QVERIFY(dragHandler);
59 QObject *boundaryRule = target->findChild<QObject *>(aName: QLatin1String("boundaryRule"));
60 QVERIFY(boundaryRule);
61 QSignalSpy overshootChangedSpy(boundaryRule, SIGNAL(currentOvershootChanged()));
62
63 QPoint p1(10, 10);
64 QTest::mousePress(window: &window, button: Qt::LeftButton, stateKey: Qt::NoModifier, pos: p1);
65 // unrestricted drag
66 p1 += QPoint(100, 0);
67 QTest::mouseMove(window: &window, pos: p1);
68 QTRY_VERIFY(dragHandler->active());
69 QCOMPARE(target->position().x(), 100);
70 bool ok = false;
71 QCOMPARE(boundaryRule->property("currentOvershoot").toReal(&ok), 0);
72 QVERIFY(ok);
73 QCOMPARE(boundaryRule->property("peakOvershoot").toReal(&ok), 0);
74 QVERIFY(ok);
75 QCOMPARE(overshootChangedSpy.count(), 0);
76 // restricted drag: halfway into overshoot
77 p1 += QPoint(20, 0);
78 QTest::mouseMove(window: &window, pos: p1);
79 QCOMPARE(target->position().x(), 117.5);
80 QCOMPARE(boundaryRule->property("currentOvershoot").toReal(), 20);
81 QCOMPARE(boundaryRule->property("peakOvershoot").toReal(), 20);
82 QCOMPARE(overshootChangedSpy.count(), 1);
83 // restricted drag: maximum overshoot
84 p1 += QPoint(80, 0);
85 QTest::mouseMove(window: &window, pos: p1);
86 QCOMPARE(target->position().x(), 140);
87 QCOMPARE(boundaryRule->property("currentOvershoot").toReal(), 100);
88 QCOMPARE(boundaryRule->property("peakOvershoot").toReal(), 100);
89 QCOMPARE(overshootChangedSpy.count(), 2);
90 // release and let it return to bounds
91 QTest::mouseRelease(window: &window, button: Qt::LeftButton, stateKey: Qt::NoModifier, pos: p1);
92 QTRY_COMPARE(dragHandler->active(), false);
93 QTRY_COMPARE(overshootChangedSpy.count(), 3);
94 QCOMPARE(boundaryRule->property("currentOvershoot").toReal(&ok), 0);
95 QVERIFY(ok);
96 QCOMPARE(boundaryRule->property("peakOvershoot").toReal(&ok), 0);
97 QVERIFY(ok);
98 QCOMPARE(target->position().x(), 100);
99}
100
101QTEST_MAIN(tst_qquickboundaryrule)
102
103#include "tst_qquickboundaryrule.moc"
104

source code of qtdeclarative/tests/auto/quick/qquickboundaryrule/tst_qquickboundaryrule.cpp