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29
30#include <QtTest/QtTest>
31#include <QtCharts/qchartview.h>
32#include <QtCharts/qlineseries.h>
33#include <cmath>
34#include <tst_definitions.h>
35#include <QtCharts/QValueAxis>
36
37QT_CHARTS_USE_NAMESPACE
38
39
40Q_DECLARE_METATYPE(QChart*)
41Q_DECLARE_METATYPE(QChartView::RubberBands)
42Q_DECLARE_METATYPE(Qt::Key)
43
44class tst_QChartView : public QObject
45{
46 Q_OBJECT
47
48public Q_SLOTS:
49 void initTestCase();
50 void cleanupTestCase();
51 void init();
52 void cleanup();
53
54private Q_SLOTS:
55 void qchartview_data();
56 void qchartview();
57 void chart_data();
58 void chart();
59 void rubberBand_data();
60 void rubberBand();
61 void setChart();
62
63private:
64 QChartView* m_view;
65};
66
67void tst_QChartView::initTestCase()
68{
69 //test tracks mouse, give a while to user to relese it
70 QTest::qWait(ms: 1000);
71}
72
73void tst_QChartView::cleanupTestCase()
74{
75 QTest::qWait(ms: 1); // Allow final deleteLaters to run
76}
77
78void tst_QChartView::init()
79{
80 m_view = new QChartView(newQChartOrQPolarChart());
81 m_view->resize(w: 200, h: 200);
82 m_view->chart()->legend()->setVisible(false);
83}
84
85void tst_QChartView::cleanup()
86{
87 delete m_view;
88 m_view =0;
89}
90
91void tst_QChartView::qchartview_data()
92{
93
94}
95
96void tst_QChartView::qchartview()
97{
98 QVERIFY(m_view->chart());
99 QCOMPARE(m_view->rubberBand(), QChartView::NoRubberBand);
100 m_view->show();
101 QVERIFY(QTest::qWaitForWindowExposed(m_view));
102
103 delete(new QChartView());
104
105 QChartView view;
106 QVERIFY(view.chart());
107
108}
109
110void tst_QChartView::chart_data()
111{
112
113 QTest::addColumn<QChart*>(name: "chart");
114 QTest::newRow(dataTag: "qchart") << new QChart();
115}
116
117void tst_QChartView::chart()
118{
119 QFETCH(QChart*, chart);
120 QChartView* view = new QChartView(chart);
121 QCOMPARE(view->chart(), chart);
122 delete view;
123}
124
125void tst_QChartView::rubberBand_data()
126{
127 QTest::addColumn<QChartView::RubberBands>(name: "rubberBand");
128 QTest::addColumn<int>(name: "Xcount");
129 QTest::addColumn<int>(name: "Ycount");
130
131 QTest::addColumn<QPoint>(name: "min");
132 QTest::addColumn<QPoint>(name: "max");
133
134 if (isPolarTest()) {
135 QTest::newRow(dataTag: "HorizontalRubberBand") << QChartView::RubberBands(QChartView::HorizontalRubberBand) << 0 << 0 << QPoint(5,5) << QPoint(5,5);
136 QTest::newRow(dataTag: "VerticalRubberBand") << QChartView::RubberBands(QChartView::VerticalRubberBand) << 0 << 0 << QPoint(5,5) << QPoint(5,5);
137 QTest::newRow(dataTag: "RectangleRubberBand") << QChartView::RubberBands(QChartView::RectangleRubberBand) << 0 << 0 << QPoint(5,5) << QPoint(5,5);
138 } else {
139 QTest::newRow(dataTag: "HorizontalRubberBand") << QChartView::RubberBands(QChartView::HorizontalRubberBand) << 0 << 1 << QPoint(5,5) << QPoint(5,5);
140 QTest::newRow(dataTag: "VerticalRubberBand") << QChartView::RubberBands(QChartView::VerticalRubberBand) << 1 << 0 << QPoint(5,5) << QPoint(5,5);
141 QTest::newRow(dataTag: "RectangleRubberBand") << QChartView::RubberBands(QChartView::RectangleRubberBand) << 1 << 1 << QPoint(5,5) << QPoint(5,5);
142 }
143}
144
145void tst_QChartView::rubberBand()
146{
147 SKIP_IF_CANNOT_TEST_MOUSE_EVENTS();
148 SKIP_IF_FLAKY_MOUSE_MOVE();
149
150 QFETCH(QChartView::RubberBands, rubberBand);
151 QFETCH(int, Xcount);
152 QFETCH(int, Ycount);
153 QFETCH(QPoint, min);
154 QFETCH(QPoint, max);
155
156 m_view->setRubberBand(rubberBand);
157
158 QCOMPARE(m_view->rubberBand(), rubberBand);
159
160 QLineSeries* line = new QLineSeries();
161 *line << QPointF(0, 0) << QPointF(200, 200);
162
163 m_view->chart()->addSeries(series: line);
164 m_view->chart()->createDefaultAxes();
165 m_view->show();
166 QVERIFY(QTest::qWaitForWindowExposed(m_view));
167
168 QRectF plotArea = m_view->chart()->plotArea();
169 //this is hack since view does not get events otherwise
170 m_view->setMouseTracking(true);
171
172 QAbstractAxis *axisY = m_view->chart()->axes(orientation: Qt::Vertical).value(i: 0);
173 QVERIFY(axisY);
174 QSignalSpy spy0(axisY, SIGNAL(rangeChanged(qreal,qreal)));
175 QAbstractAxis *axisX = m_view->chart()->axes(orientation: Qt::Horizontal).value(i: 0);
176 QVERIFY(axisX);
177 QSignalSpy spy1(axisX, SIGNAL(rangeChanged(qreal,qreal)));
178 QValueAxis* vaxisX = qobject_cast<QValueAxis*>(object: axisX);
179 QValueAxis* vaxisY = qobject_cast<QValueAxis*>(object: axisY);
180 int minX = vaxisX->min();
181 int minY = vaxisY->min();
182 int maxX = vaxisX->max();
183 int maxY = vaxisY->max();
184
185 // try to ensure focus
186 QApplication::setActiveWindow(m_view);
187 m_view->setFocus();
188 QApplication::processEvents();
189 QVERIFY(m_view->isActiveWindow());
190 QVERIFY(m_view->hasFocus());
191
192 QTest::mouseMove(widget: m_view->viewport(), pos: min + plotArea.topLeft().toPoint(), delay: 100);
193 QTest::mousePress(widget: m_view->viewport(), button: Qt::LeftButton, stateKey: {}, pos: min + plotArea.topLeft().toPoint(), delay: 100);
194 QTest::mouseMove(widget: m_view->viewport(), pos: plotArea.bottomRight().toPoint() - max, delay: 100);
195 QTest::mouseRelease(widget: m_view->viewport(), button: Qt::LeftButton, stateKey: {}, pos: plotArea.bottomRight().toPoint() - max, delay: 100);
196 QApplication::processEvents();
197
198 TRY_COMPARE(spy0.count(), Xcount);
199 TRY_COMPARE(spy1.count(), Ycount);
200
201 //this is hack since view does not get events otherwise
202 m_view->setMouseTracking(false);
203
204 QVERIFY(vaxisX->min() >= minX );
205 QVERIFY(vaxisX->max() <= maxX );
206 QVERIFY(vaxisY->min() >= minY );
207 QVERIFY(vaxisY->max() <= maxY );
208
209}
210
211void tst_QChartView::setChart()
212{
213 QPointer<QChart> oldChart = m_view->chart();
214 QLineSeries *series1 = new QLineSeries();
215 series1->append(x: 0,y: 0);
216 series1->append(x: 1,y: 1);
217 oldChart->addSeries(series: series1);
218
219 QPointer<QChart> newChart = newQChartOrQPolarChart();
220
221 QLineSeries *series2 = new QLineSeries();
222 series2->append(x: 0,y: 1);
223 series2->append(x: 1,y: 0);
224 newChart->addSeries(series: series2);
225
226 // show current chart
227 m_view->show();
228 QVERIFY(QTest::qWaitForWindowExposed(m_view));
229 QTest::qWait(ms: 1000);
230
231 // set new chart
232 m_view->setChart(newChart);
233 QVERIFY(m_view->chart() == newChart);
234 QVERIFY(!oldChart.isNull()); // ownership of the oldChart is released and not deleted
235 QTest::qWait(ms: 1000);
236
237 // delete the view
238 delete m_view;
239 m_view = 0;
240 QVERIFY(newChart.isNull()); // view owns and deletes it
241 QVERIFY(!oldChart.isNull()); // not owned by view
242
243 delete oldChart;
244}
245
246QTEST_MAIN(tst_QChartView)
247#include "tst_qchartview.moc"
248
249

source code of qtcharts/tests/auto/qchartview/tst_qchartview.cpp