1 /*
2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package test.javafx.scene.chart;
27
28 import javafx.collections.ObservableList;
29 import javafx.scene.Node;
30 import javafx.scene.chart.Chart;
31 import javafx.scene.chart.LineChart;
32 import javafx.scene.chart.NumberAxis;
33 import javafx.scene.chart.XYChart;
34 import javafx.scene.chart.XYChartShim;
35 import javafx.scene.shape.Path;
36 import static org.junit.Assert.assertEquals;
37 import org.junit.Ignore;
38 import org.junit.Test;
39
40 public class LineChartTest extends XYChartTestBase {
41
42 LineChart<Number,Number> lineChart;
43 final XYChart.Series<Number, Number> series1 = new XYChart.Series<Number, Number>();
44
45 @Override protected Chart createChart() {
46 final NumberAxis xAxis = new NumberAxis();
47 final NumberAxis yAxis = new NumberAxis();
48 lineChart = new LineChart<Number,Number>(xAxis,yAxis);
49 xAxis.setLabel("X Axis");
50 yAxis.setLabel("Y Axis");
51 lineChart.setTitle("HelloLineChart");
52 // add starting data
53 series1.getData().add(new XYChart.Data(10d, 10d));
54 series1.getData().add(new XYChart.Data(25d, 20d));
55 series1.getData().add(new XYChart.Data(30d, 15d));
56 series1.getData().add(new XYChart.Data(50d, 15d));
57 series1.getData().add(new XYChart.Data(80d, 10d));
58 return lineChart;
59 }
60
61 private StringBuffer getSeriesLineFromPlot() {
62 ObservableList<Node> childrenList = XYChartShim.getPlotChildren(lineChart);
63 StringBuffer sb = new StringBuffer();
64 for (Node n : childrenList) {
65 if (n instanceof Path && "chart-series-line".equals(n.getStyleClass().get(0))) {
66 Path line = (Path)n;
67 sb = computeSVGPath(line);
68 return sb;
69 }
70 }
71 return sb;
72 }
73
74 @Test
75 public void testCreateSymbols() {
76 startApp();
77 lineChart.setCreateSymbols(false);
78 pulse();
79 lineChart.getData().addAll(series1);
80 pulse();
81 assertEquals(0, countSymbols(lineChart, "chart-line-symbol"));
82
83 lineChart.getData().clear();
84 pulse();
85 lineChart.setCreateSymbols(true);
86 pulse();
87 lineChart.getData().addAll(series1);
88 assertEquals(5, countSymbols(lineChart, "chart-line-symbol"));
89 }
90
91 @Test
92 public void testDataItemAdd() {
93 startApp();
94 lineChart.getData().addAll(series1);
95 pulse();
96 series1.getData().add(new XYChart.Data(60d, 30d));
97 pulse();
98 // 5 stackpane nodes and 1 path node + new stackpane for data added
99 assertEquals(7, XYChartShim.getPlotChildren(lineChart).size());
100 }
101
102 @Test @Ignore
103 // Ignored because the animation's Timeline doesn't run. It used to be that the item was added before the
104 // animation was run. Now the item is added as the onFinished handler of the first KeyFrame. Since the
105 // Timeline doesn't run in the context of the unit test, this test fails. In fact, this test never really
106 // achieved its purpose.
107 public void testDataItemAddWithAnimation() {
108 startApp();
109 lineChart.setAnimated(true);
110 lineChart.getData().addAll(series1);
111 pulse();
112 series1.getData().add(new XYChart.Data(60d, 30d));
113 pulse();
114 // 5 stackpane nodes and 1 path node + new stackpane for data added
115 assertEquals(7, XYChartShim.getPlotChildren(lineChart).size());
116 }
117
118 @Test
119 public void testDataItemRemove() {
120 startApp();
121 lineChart.getData().addAll(series1);
122 pulse();
123 if (!lineChart.getData().isEmpty()) {
124 series1.getData().remove(0);
125 pulse();
126 // 4 stackpane nodes and one path node
127 assertEquals(5, XYChartShim.getPlotChildren(lineChart).size());
128 }
129 }
130
131 @Test
132 public void testSeriesAddWithAnimation() {
133 startApp();
134 lineChart.setAnimated(true);
135 final XYChart.Series<Number, Number> series2 = new XYChart.Series<Number, Number>();
136 series1.getData().add(new XYChart.Data(15d, 40d));
137 series1.getData().add(new XYChart.Data(25d, 10d));
138 series1.getData().add(new XYChart.Data(40d, 35d));
139 lineChart.getData().addAll(series1);
140 pulse();
141 assertEquals(true, lineChart.getAnimated());
142 }
143 }