chrome/test/data/webui/list_selection_model_test.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script src="list_selection_model_test_util.js"></script>
   5 </head>
   6 <body>
   7
   8 <script>
   9 function createSelectionModel(len, opt_dependentLeadItem) {
  10   var sm = new cr.ui.ListSelectionModel(len);
  11   sm.independentLeadItem_ = !opt_dependentLeadItem;
  12   return sm;
  13 }
  14
  15 function testAdjust1() {
  16   var sm = createSelectionModel(200);
  17
  18   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 100;
  19   adjust(sm, 0, 10, 0);
  20
  21   assertEquals(90, sm.leadIndex);
  22   assertEquals(90, sm.anchorIndex);
  23   assertEquals(90, sm.selectedIndex);
  24 }
  25
  26 function testAdjust2() {
  27   var sm = createSelectionModel(200);
  28
  29   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 50;
  30   adjust(sm, 60, 10, 0);
  31
  32   assertEquals(50, sm.leadIndex);
  33   assertEquals(50, sm.anchorIndex);
  34   assertEquals(50, sm.selectedIndex);
  35 }
  36
  37 function testAdjust3() {
  38   var sm = createSelectionModel(200);
  39
  40   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 100;
  41   adjust(sm, 0, 0, 10);
  42
  43   assertEquals(110, sm.leadIndex);
  44   assertEquals(110, sm.anchorIndex);
  45   assertEquals(110, sm.selectedIndex);
  46 }
  47
  48 function testAdjust4() {
  49   var sm = createSelectionModel(200);
  50
  51   sm.leadIndex = sm.anchorIndex = 100;
  52   sm.selectRange(100, 110);
  53
  54   adjust(sm, 0, 10, 5);
  55
  56   assertEquals(95, sm.leadIndex);
  57   assertEquals(95, sm.anchorIndex);
  58   assertArrayEquals(range(95, 105), sm.selectedIndexes);
  59 }
  60
  61 function testAdjust5() {
  62   var sm = createSelectionModel(100);
  63
  64   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 99;
  65
  66   adjust(sm, 99, 1, 0);
  67
  68   assertEquals(98, sm.leadIndex, 'lead');
  69   assertEquals(98, sm.anchorIndex, 'anchor');
  70   assertArrayEquals([98], sm.selectedIndexes);
  71 }
  72
  73 function testAdjust6() {
  74   var sm = createSelectionModel(200);
  75
  76   sm.leadIndex = sm.anchorIndex = 105;
  77   sm.selectRange(100, 110);
  78
  79   // Remove 100 - 105
  80   adjust(sm, 100, 5, 0);
  81
  82   assertEquals(100, sm.leadIndex, 'lead');
  83   assertEquals(100, sm.anchorIndex, 'anchor');
  84   assertArrayEquals(range(100, 105), sm.selectedIndexes);
  85 }
  86
  87 function testAdjust7() {
  88   var sm = createSelectionModel(1);
  89
  90   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 0;
  91
  92   adjust(sm, 0, 0, 10);
  93
  94   assertEquals(10, sm.leadIndex, 'lead');
  95   assertEquals(10, sm.anchorIndex, 'anchor');
  96   assertArrayEquals([10], sm.selectedIndexes);
  97 }
  98
  99 function testAdjust8() {
 100   var sm = createSelectionModel(100);
 101
 102   sm.leadIndex = sm.anchorIndex = 50;
 103   sm.selectAll();
 104
 105   adjust(sm, 10, 80, 0);
 106
 107   assertEquals(-1, sm.leadIndex, 'lead');
 108   assertEquals(-1, sm.anchorIndex, 'anchor');
 109   assertArrayEquals(range(0, 19), sm.selectedIndexes);
 110 }
 111
 112 function testAdjust9() {
 113   var sm = createSelectionModel(10);
 114
 115   sm.leadIndex = sm.anchorIndex = 5;
 116   sm.selectAll();
 117
 118   // Remove all
 119   adjust(sm, 0, 10, 0);
 120
 121   assertEquals(-1, sm.leadIndex, 'lead');
 122   assertEquals(-1, sm.anchorIndex, 'anchor');
 123   assertArrayEquals([], sm.selectedIndexes);
 124 }
 125
 126 function testAdjust10() {
 127   var sm = createSelectionModel(10);
 128
 129   sm.leadIndex = sm.anchorIndex = 5;
 130   sm.selectAll();
 131
 132   adjust(sm, 0, 10, 20);
 133
 134   assertEquals(5, sm.leadIndex, 'lead');
 135   assertEquals(5, sm.anchorIndex, 'anchor');
 136   assertArrayEquals([5], sm.selectedIndexes);
 137 }
 138
 139 function testAdjust11() {
 140   var sm = createSelectionModel(20);
 141
 142   sm.leadIndex = sm.anchorIndex = 10;
 143   sm.selectAll();
 144
 145   adjust(sm, 5, 20, 10);
 146
 147   assertEquals(-1, sm.leadIndex, 'lead');
 148   assertEquals(-1, sm.anchorIndex, 'anchor');
 149   assertArrayEquals(range(0, 4), sm.selectedIndexes);
 150 }
 151
 152 function testAdjust12() {
 153   var sm = createSelectionModel(20, true);
 154
 155   sm.selectAll();
 156   sm.leadIndex = sm.anchorIndex = 10;
 157
 158   adjust(sm, 5, 20, 10);
 159
 160   assertEquals(-1, sm.leadIndex, 'lead');
 161   assertEquals(-1, sm.anchorIndex, 'anchor');
 162   assertArrayEquals(range(0, 4), sm.selectedIndexes);
 163 }
 164
 165 function testAdjust13() {
 166   var sm = createSelectionModel(20, true);
 167
 168   sm.selectAll();
 169   sm.leadIndex = sm.anchorIndex = 15;
 170
 171   adjust(sm, 5, 5, 0);
 172
 173   assertEquals(10, sm.leadIndex, 'lead');
 174   assertEquals(10, sm.anchorIndex, 'anchor');
 175   assertArrayEquals(range(0, 14), sm.selectedIndexes);
 176 }
 177
 178 function testLeadAndAnchor1() {
 179   var sm = createSelectionModel(20, true);
 180
 181   sm.selectAll();
 182   sm.leadIndex = sm.anchorIndex = 10;
 183
 184   assertEquals(10, sm.leadIndex, 'lead');
 185   assertEquals(10, sm.anchorIndex, 'anchor');
 186 }
 187
 188 function testLeadAndAnchor2() {
 189   var sm = createSelectionModel(20, true);
 190
 191   sm.leadIndex = sm.anchorIndex = 10;
 192   sm.selectAll();
 193
 194   assertEquals(-1, sm.leadIndex, 'lead');
 195   assertEquals(-1, sm.anchorIndex, 'anchor');
 196 }
 197
 198 function testSelectAll() {
 199   var sm = createSelectionModel(10);
 200
 201   var changes = null;
 202   sm.addEventListener('change', function(e) {
 203     changes = e.changes;
 204   });
 205
 206   sm.selectAll();
 207
 208   assertArrayEquals(range(0, 9), sm.selectedIndexes);
 209   assertArrayEquals(range(0, 9),
 210                     changes.map(function(change) { return change.index; }));
 211 }
 212
 213 function testSelectAllOnEmptyList() {
 214   var sm = createSelectionModel(0);
 215
 216   var changes = null;
 217   sm.addEventListener('change', function(e) {
 218     changes = e.changes;
 219   });
 220
 221   sm.selectAll();
 222
 223   assertArrayEquals([], sm.selectedIndexes);
 224   assertEquals(null, changes);
 225 }
 226
 227 </script>
 228
 229 </body>
 230 </html>