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Side by Side Diff: third_party/WebKit/LayoutTests/compositing/squashing/do-not-squash-scroll-child-with-composited-descendants.html

Issue 2397333002: Change layerTreeAsText to default to layer lists. (Closed)
Patch Set: none Created 4 years, 2 months ago
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1 <!DOCTYPE HTML> 1 <!DOCTYPE HTML>
2 <style> 2 <style>
3 #scroller { 3 #scroller {
4 width: 200px; 4 width: 200px;
5 height: 200px; 5 height: 200px;
6 border: 1px solid black; 6 border: 1px solid black;
7 overflow: scroll; 7 overflow: scroll;
8 } 8 }
9 9
10 .scrolled { 10 .scrolled {
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after
50 <script src='../../resources/js-test.js'></script> 50 <script src='../../resources/js-test.js'></script>
51 51
52 52
53 <script> 53 <script>
54 description('Verifies that scroll children with composited descendants' + 54 description('Verifies that scroll children with composited descendants' +
55 ' do not squash.'); 55 ' do not squash.');
56 56
57 if (window.internals) 57 if (window.internals)
58 internals.settings.setPreferCompositingToLCDTextEnabled(true); 58 internals.settings.setPreferCompositingToLCDTextEnabled(true);
59 59
60 function scrollChildDoesNotSquash(layer) { 60 function scrollChildDoesNotSquash(layers) {
61 if (layer.children) { 61 var foundParent = false;
62 for (var i = 0; i < layer.children.length; i++) { 62 var foundChild = false;
63 var child = layer.children[i]; 63 layers["layers"].forEach(function(layer) {
64 if (child.bounds && layer.bounds && 64 // If the child's bounds are 20x20, we're the scroll child with the
65 child.bounds[0] == 20 && child.bounds[1] == 20 && 65 // composited descendant. We should not have squashed and therefore our
66 layer.bounds[0] == 102 && layer.bounds[1] == 102) { 66 // bounds should remain 102x102 (100x100 plus the 1px border).
67 // If the child's bounds are 20x20, we're the scroll child with the 67 if (layer.bounds && layer.bounds[0] == 20 && layer.bounds[1] == 20)
68 // composited descendant. We should not have squashed and therefore our 68 foundChild = true;
69 // bounds should remain 102x102 (100x100 plus the 1px border). 69 if (layer.bounds && layer.bounds[0] == 102 && layer.bounds[1] == 102)
70 return true; 70 foundParent = true;
71 } 71 });
72 72 return foundParent && foundChild;
73 if (scrollChildDoesNotSquash(child))
74 return true;
75 }
76 }
77 return false;
78 } 73 }
79 74
80 onload = function() { 75 onload = function() {
81 if (!window.internals) 76 if (!window.internals)
82 return; 77 return;
83 documentLayerTree = JSON.parse(window.internals.layerTreeAsText(document)); 78 layers = JSON.parse(window.internals.layerTreeAsText(document));
84 shouldBe('scrollChildDoesNotSquash(documentLayerTree)', 'true'); 79 shouldBe('scrollChildDoesNotSquash(layers)', 'true');
85 }; 80 };
86 81
87 </script> 82 </script>
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