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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <script src="../../resources/js-test.js"></script> | 2 <script src="../../resources/js-test.js"></script> |
3 <style> | 3 <style> |
4 /* Make all divs relayout boundaries. */ | 4 /* Make all divs relayout boundaries. */ |
5 div { | 5 div { |
6 width: 100px; | 6 width: 100px; |
7 height: 100px; | 7 height: 100px; |
8 overflow: hidden; | 8 overflow: hidden; |
9 } | 9 } |
10 </style> | 10 </style> |
11 <div id="relayout-common-ancestor"><div><div></div></div><div><div></div></div><
/div> | 11 <div id="relayout-common-ancestor"><div><div></div></div><div><div></div></div><
/div> |
12 <script> | 12 <script> |
13 function dirtyLayout() | 13 function dirtyLayout() |
14 { | 14 { |
15 var container = document.getElementById('relayout-common-ancestor'); | 15 var container = document.getElementById('relayout-common-ancestor'); |
16 for (var i = 0; i < container.childNodes.length; ++i) { | 16 for (var i = 0; i < container.childNodes.length; ++i) { |
17 var child = container.childNodes[i].firstChild; | 17 var child = container.childNodes[i].firstChild; |
18 child.style.width = "99px"; | 18 child.style.width = "99px"; |
19 // Force a style recalc that doesn't force a layout so that the | 19 // Force a style recalc that doesn't force a layout so that the |
20 // needsLayout count is incremented. | 20 // needsLayout count is incremented. |
21 getComputedStyle(child).color; | 21 getComputedStyle(child).color; |
22 } | 22 } |
23 } | 23 } |
24 | 24 |
25 if (window.internals) | |
26 shouldBe("window.internals.needsLayoutCount()", "2"); | |
27 | |
28 document.documentElement.offsetTop; | 25 document.documentElement.offsetTop; |
29 | 26 |
30 // Pass quiet=true here so that the added nodes from the shouldBe don't | 27 // Pass quiet=true here so that the added nodes from the shouldBe don't |
31 // mess up the needsLayoutCount on line 45. | 28 // mess up the needsLayoutCount on line 45. |
32 if (window.internals) | 29 if (window.internals) |
33 shouldBe("window.internals.needsLayoutCount()", "0", true); | 30 shouldBe("window.internals.needsLayoutCount()", "0", true); |
34 | 31 |
35 dirtyLayout(); | 32 dirtyLayout(); |
36 | 33 |
37 // FIXME: In theory we can restrict the layoutRoot in FrameView to the common | 34 // FIXME: In theory we can restrict the layoutRoot in FrameView to the common |
38 // ancestor container and this should only be 5 instead of 8. | 35 // ancestor container and this should only be 5 instead of 8. |
39 if (window.internals) | 36 if (window.internals) |
40 shouldBe("window.internals.needsLayoutCount()", "8"); | 37 shouldBe("window.internals.needsLayoutCount()", "8"); |
41 | 38 |
42 document.documentElement.offsetTop; | 39 document.documentElement.offsetTop; |
43 | 40 |
44 if (window.internals) | 41 if (window.internals) |
45 shouldBe("window.internals.needsLayoutCount()", "0"); | 42 shouldBe("window.internals.needsLayoutCount()", "0"); |
46 </script> | 43 </script> |
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