list_selection_model_test.html revision 3345a6884c488ff3a535c2c9acdd33d74b37e311 
1<!DOCTYPE html>
2<html>
3<head>
4<title></title>
5<style>
6
7</style>
8<script src="http://closure-library.googlecode.com/svn/trunk/closure/goog/base.js"></script>
9<script src="/cr.js"></script>
10<script src="/event_target.js"></script>
11<script src="list_selection_model.js"></script>
12<script>
13
14goog.require('goog.testing.jsunit');
15
16</script>
17
18</head>
19<body>
20
21<script>
22
23function range(start, end) {
24  var a = [];
25  for (var i = start; i <= end; i++) {
26    a.push(i);
27  }
28  return a;
29}
30
31function createSelectionModel(len) {
32  return new cr.ui.ListSelectionModel(len);
33}
34
35function testAdjust1() {
36  var sm = createSelectionModel(200);
37
38  sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 100;
39  sm.adjust(0, 10, 0);
40
41  assertEquals(90, sm.leadIndex);
42  assertEquals(90, sm.anchorIndex);
43  assertEquals(90, sm.selectedIndex);
44}
45
46function testAdjust2() {
47  var sm = createSelectionModel(200);
48
49  sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 50;
50  sm.adjust(60, 10, 0);
51
52  assertEquals(50, sm.leadIndex);
53  assertEquals(50, sm.anchorIndex);
54  assertEquals(50, sm.selectedIndex);
55}
56
57function testAdjust3() {
58  var sm = createSelectionModel(200);
59
60  sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 100;
61  sm.adjust(0, 0, 10);
62
63  assertEquals(110, sm.leadIndex);
64  assertEquals(110, sm.anchorIndex);
65  assertEquals(110, sm.selectedIndex);
66}
67
68function testAdjust4() {
69  var sm = createSelectionModel(200);
70
71  sm.leadIndex = sm.anchorIndex = 100;
72  sm.selectRange(100, 110);
73
74  sm.adjust(0, 10, 5);
75
76  assertEquals(95, sm.leadIndex);
77  assertEquals(95, sm.anchorIndex);
78  assertArrayEquals(range(95, 105), sm.selectedIndexes);
79}
80
81function testAdjust5() {
82  var sm = createSelectionModel(100);
83
84  sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 99;
85
86  sm.adjust(99, 1, 0);
87
88  assertEquals('lead', 98, sm.leadIndex);
89  assertEquals('anchor', 98, sm.anchorIndex);
90  assertArrayEquals([], sm.selectedIndexes);
91}
92
93function testAdjust6() {
94  var sm = createSelectionModel(200);
95
96  sm.leadIndex = sm.anchorIndex = 105;
97  sm.selectRange(100, 110);
98
99  // Remove 100 - 105
100  sm.adjust(100, 5, 0);
101
102  assertEquals('lead', 100, sm.leadIndex);
103  assertEquals('anchor', 100, sm.anchorIndex);
104  assertArrayEquals(range(100, 105), sm.selectedIndexes);
105}
106
107function testAdjust7() {
108  var sm = createSelectionModel(1);
109
110  sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 0;
111
112  sm.adjust(0, 0, 10);
113
114  assertEquals('lead', 10, sm.leadIndex);
115  assertEquals('anchor', 10, sm.anchorIndex);
116  assertArrayEquals([10], sm.selectedIndexes);
117}
118
119function testAdjust8() {
120  var sm = createSelectionModel(100);
121
122  sm.leadIndex = sm.anchorIndex = 50;
123  sm.selectAll();
124
125  sm.adjust(10, 80, 0);
126
127  assertEquals('lead', 10, sm.leadIndex);
128  assertEquals('anchor', 10, sm.anchorIndex);
129  assertArrayEquals(range(0, 19), sm.selectedIndexes);
130}
131
132function testAdjust9() {
133  var sm = createSelectionModel(10);
134
135  sm.leadIndex = sm.anchorIndex = 5;
136  sm.selectAll();
137
138  // Remove all
139  sm.adjust(0, 10, 0);
140
141  assertEquals('lead', -1, sm.leadIndex);
142  assertEquals('anchor', -1, sm.anchorIndex);
143  assertArrayEquals([], sm.selectedIndexes);
144}
145
146function testAdjust10() {
147  var sm = createSelectionModel(10);
148
149  sm.leadIndex = sm.anchorIndex = 5;
150  sm.selectAll();
151
152  sm.adjust(0, 10, 20);
153
154  assertEquals('lead', 0, sm.leadIndex);
155  assertEquals('anchor', 0, sm.anchorIndex);
156  assertArrayEquals([], sm.selectedIndexes);
157}
158
159function testAdjust11() {
160  var sm = createSelectionModel(20);
161
162  sm.leadIndex = sm.anchorIndex = 10;
163  sm.selectAll();
164
165  sm.adjust(5, 20, 10);
166
167  assertEquals('lead', 5, sm.leadIndex);
168  assertEquals('anchor', 5, sm.anchorIndex);
169  assertArrayEquals(range(0, 4), sm.selectedIndexes);
170}
171
172</script>
173
174</body>
175</html>
176