chrome/test/data/webui/list_single_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
  10 function createSelectionModel(len, opt_dependentLeadItem) {
  11   var sm = new cr.ui.ListSingleSelectionModel(len);
  12   sm.independentLeadItem_ = !opt_dependentLeadItem;
  13   return sm;
  14 }
  15
  16 function testAdjust1() {
  17   var sm = createSelectionModel(200);
  18
  19   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 100;
  20   adjust(sm, 0, 10, 0);
  21
  22   assertEquals(90, sm.leadIndex);
  23   assertEquals(90, sm.anchorIndex);
  24   assertEquals(90, sm.selectedIndex);
  25 }
  26
  27 function testAdjust2() {
  28   var sm = createSelectionModel(200);
  29
  30   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 50;
  31   adjust(sm, 60, 10, 0);
  32
  33   assertEquals(50, sm.leadIndex);
  34   assertEquals(50, sm.anchorIndex);
  35   assertEquals(50, sm.selectedIndex);
  36 }
  37
  38 function testAdjust3() {
  39   var sm = createSelectionModel(200);
  40
  41   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 100;
  42   adjust(sm, 0, 0, 10);
  43
  44   assertEquals(110, sm.leadIndex);
  45   assertEquals(110, sm.anchorIndex);
  46   assertEquals(110, sm.selectedIndex);
  47 }
  48
  49 function testAdjust4() {
  50   var sm = createSelectionModel(100);
  51
  52   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 99;
  53
  54   adjust(sm, 99, 1, 0);
  55
  56   assertEquals(-1, sm.leadIndex, 'lead');
  57   assertEquals(-1, sm.anchorIndex, 'anchor');
  58   assertArrayEquals([], sm.selectedIndexes);
  59 }
  60
  61 function testAdjust5() {
  62   var sm = createSelectionModel(1);
  63
  64   sm.leadIndex = sm.anchorIndex = sm.selectedIndex = 0;
  65
  66   adjust(sm, 0, 0, 10);
  67
  68   assertEquals(10, sm.leadIndex,'lead');
  69   assertEquals(10, sm.anchorIndex, 'anchor');
  70   assertArrayEquals([10], sm.selectedIndexes);
  71 }
  72
  73 function testSelectedIndex1() {
  74   var sm = createSelectionModel(100, true);
  75
  76   sm.selectedIndex = 99;
  77
  78   assertEquals(99, sm.leadIndex, 'lead');
  79   assertEquals(99, sm.anchorIndex, 'anchor');
  80   assertArrayEquals([99], sm.selectedIndexes);
  81 }
  82
  83 function testLeadIndex1() {
  84   var sm = createSelectionModel(100);
  85
  86   sm.leadIndex = 99;
  87
  88   assertEquals(99, sm.leadIndex, 'lead');
  89   assertEquals(99, sm.anchorIndex, 'anchor');
  90   assertArrayEquals([], sm.selectedIndexes);
  91 }
  92
  93 function testLeadIndex2() {
  94   var sm = createSelectionModel(100, true);
  95
  96   sm.leadIndex = 99;
  97
  98   assertEquals(-1, sm.leadIndex, 'lead');
  99   assertEquals(-1, sm.anchorIndex, 'anchor');
 100   assertArrayEquals([], sm.selectedIndexes);
 101 }
 102
 103 </script>
 104
 105 </body>
 106 </html>