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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title></title> | |
| 5 <style> | |
| 6 | |
| 7 </style> | |
| 8 <script src= | |
| 9 "http://closure-library.googlecode.com/svn/trunk/closure/goog/base.js"> | |
| 10 </script> | |
| 11 <script src="../../cr.js"></script> | |
| 12 <script src="../event_target.js"></script> | |
| 13 <script src="../ui.js"></script> | |
| 14 <script src="array_data_model.js"></script> | |
| 15 <script src="list_selection_model.js"></script> | |
| 16 <script src="list_selection_controller.js"></script> | |
| 17 <script src="list_item.js"></script> | |
| 18 <script src="list.js"></script> | |
| 19 <script src="grid.js"></script> | |
| 20 <script> | |
| 21 | |
| 22 goog.require('goog.testing.jsunit'); | |
| 23 | |
| 24 </script> | |
| 25 | |
| 26 </head> | |
| 27 <body> | |
| 28 | |
| 29 <script> | |
| 30 | |
| 31 function testGetColumnCount() { | |
| 32 var g = cr.ui.Grid.prototype; | |
| 33 g.measured_ = { | |
| 34 height: 8, | |
| 35 marginTop: 0, | |
| 36 marginBottom: 0, | |
| 37 width: 10, | |
| 38 marginLeft: 0, | |
| 39 marginRight: 0 | |
| 40 }; | |
| 41 var columns = g.getColumnCount_(); | |
| 42 g.measured_.width = 0; | |
| 43 columns = g.getColumnCount_(); | |
| 44 // Item width equals 0. | |
| 45 assertEquals(0, columns); | |
| 46 | |
| 47 g.measured_.width = 10; | |
| 48 columns = g.getColumnCount_(); | |
| 49 // No item in the list. | |
| 50 assertEquals(0, columns); | |
| 51 | |
| 52 g.dataModel_ = new cr.ui.ArrayDataModel([0, 1, 2]); | |
| 53 g.clientWidthWithoutScrollbar_ = 8; | |
| 54 columns = g.getColumnCount_(); | |
| 55 // Client width is smaller than item width. | |
| 56 assertEquals(0, columns); | |
| 57 | |
| 58 g.clientWidthWithoutScrollbar_ = 20; | |
| 59 // Client height can fit two rows. | |
| 60 g.clientHeight_ = 16; | |
| 61 columns = g.getColumnCount_(); | |
| 62 assertEquals(2, columns); | |
| 63 | |
| 64 // Client height can not fit two rows. A scroll bar is needed. | |
| 65 g.clientHeight_ = 15; | |
| 66 g.clientWidthWithScrollbar_ = 18; | |
| 67 columns = g.getColumnCount_(); | |
| 68 // Can not fit two columns due to the scroll bar. | |
| 69 assertEquals(1, columns); | |
| 70 | |
| 71 g.clientHeight_ = 16; | |
| 72 g.measured_.marginTop = 1; | |
| 73 columns = g.getColumnCount_(); | |
| 74 // Can fit two columns due to uncollapse margin. | |
| 75 assertEquals(2, columns); | |
| 76 | |
| 77 g.measured_.marginBottom = 1; | |
| 78 columns = g.getColumnCount_(); | |
| 79 // Can not fit two columns due to margin. | |
| 80 assertEquals(1, columns); | |
| 81 | |
| 82 g.measured_.marginTop = 0; | |
| 83 g.measured_.marginBottom = 0; | |
| 84 g.measured_.marginLeft = 1; | |
| 85 columns = g.getColumnCount_(); | |
| 86 // Can fit two columns due to uncollapse margin. | |
| 87 assertEquals(2, columns); | |
| 88 | |
| 89 g.measured_.marginRight = 1; | |
| 90 columns = g.getColumnCount_(); | |
| 91 // Can not fit two columns due to margin on left and right side. | |
| 92 assertEquals(1, columns); | |
| 93 } | |
| 94 | |
| 95 </script> | |
| 96 | |
| 97 </body> | |
| 98 </html> | |
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