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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <html> | 2 <html> |
3 <head> | 3 <head> |
4 <script src="../../resources/testharness.js"></script> | 4 <script src="../../resources/testharness.js"></script> |
5 <script src="../../resources/testharnessreport.js"></script> | 5 <script src="../../resources/testharnessreport.js"></script> |
6 <script src="resources/scroll-behavior-test.js"></script> | 6 <script src="resources/scroll-behavior-test.js"></script> |
7 <script type="text/javascript"> | 7 <script type="text/javascript"> |
8 const numItems = 500; | 8 const numItems = 500; |
9 | 9 |
10 function getEndPosition(testCase, startPosition) { | 10 function getEndPosition(testCase, startPosition) { |
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44 var option = document.createElement("option"); | 44 var option = document.createElement("option"); |
45 option.appendChild(document.createTextNode(i)); | 45 option.appendChild(document.createTextNode(i)); |
46 listbox.appendChild(option); | 46 listbox.appendChild(option); |
47 } | 47 } |
48 } | 48 } |
49 | 49 |
50 function doTest() | 50 function doTest() |
51 { | 51 { |
52 var element = document.getElementById("listbox"); | 52 var element = document.getElementById("listbox"); |
53 initializeContents(element); | 53 initializeContents(element); |
54 var itemHeight = (listbox.scrollHeight - listbox.clientHeight) / (numItems
- listbox.size); | 54 var itemHeight = Math.floor(listbox.clientHeight / listbox.size); |
55 | |
56 var testCases = []; | 55 var testCases = []; |
57 for (var i = 0; i < testScrolls.length; i++) { | 56 for (var i = 0; i < testScrolls.length; i++) { |
58 // Convert from list box item index to a scroll offset. | 57 // Convert from list box item index to a scroll offset. |
59 testScrolls[i].y = testScrolls[i].index * itemHeight; | 58 testScrolls[i].y = testScrolls[i].index * itemHeight; |
60 testScrolls[i].x = 0; | 59 testScrolls[i].x = 0; |
61 testCases.push(new ScrollBehaviorTestCase(testScrolls[i])); | 60 testCases.push(new ScrollBehaviorTestCase(testScrolls[i])); |
62 } | 61 } |
63 | 62 |
64 var scrollBehaviorTest = new ScrollBehaviorTest(element, | 63 var scrollBehaviorTest = new ScrollBehaviorTest(element, |
65 element, | 64 element, |
66 testCases, | 65 testCases, |
67 getEndPosition, | 66 getEndPosition, |
68 jsScroll); | 67 jsScroll); |
69 scrollBehaviorTest.run(); | 68 scrollBehaviorTest.run(); |
70 } | 69 } |
71 | 70 |
72 window.addEventListener('load', doTest, false); | 71 window.addEventListener('load', doTest, false); |
73 </script> | 72 </script> |
74 </head> | 73 </head> |
75 | 74 |
76 <body> | 75 <body> |
77 <p>Test that setting scrollTop on a listbox works with both scroll behaviors</
p> | 76 <p>Test that setting scrollTop on a listbox works with both scroll behaviors</
p> |
78 <select size="4" id="listbox"></select> | 77 <select size="4" id="listbox"></select> |
79 </body> | 78 </body> |
80 </html> | 79 </html> |
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