third_party/WebKit/LayoutTests/fast/css/getComputedStyle/computed-style-recalc.html - Issue 1317533002: Sibling invalidation sets

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Issue 1317533002: Sibling invalidation sets (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Oilpan Created 5 years, 2 months ago

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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 .a + .b { color: green; }	4 .a + .b { color: green; }

5 .c + .d { color: green; }	5 .c + .d { color: green; }

6 .e { color: green; }	6 .e { color: green; }

7 </style>	7 </style>

8 <div id="t1">	8 <div id="t1">

9 <div></div>	9 <div></div>

10 <div class="b"></div>	10 <div class="b"></div>

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42 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "0");	42 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "0");

43	43

44 // No style invalidation or recalc scheduled for an ascendant of .e, and no affe cted-by-adjacent	44 // No style invalidation or recalc scheduled for an ascendant of .e, and no affe cted-by-adjacent

45 // bits set on any ascendants, hence we don't need to do a recalc even if a styl e invalidation	45 // bits set on any ascendants, hence we don't need to do a recalc even if a styl e invalidation

46 // is scheduled for the .c change with adjacent implications.	46 // is scheduled for the .c change with adjacent implications.

47	47

48 document.body.offsetTop;	48 document.body.offsetTop;

49 document.body.querySelector("#t2 > div > div").className = "c";	49 document.body.querySelector("#t2 > div > div").className = "c";

50 shouldBe("getComputedStyle(document.body.querySelector('#t2 .e')).color", "green ", true);	50 shouldBe("getComputedStyle(document.body.querySelector('#t2 .e')).color", "green ", true);

51 if (window.internals)	51 if (window.internals)

52 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");	52 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1");

53	53

54 // No style invalidation or recalc scheduled for an ascendant of .b, and even if affected-by-adjacent	54 // No style invalidation or recalc scheduled for an ascendant of .b, and even if affected-by-adjacent

55 // bits are set on the ascendant (because of a+b), it doesn't matter since that ascendant does	55 // bits are set on the ascendant (because of a+b), it doesn't matter since that ascendant does

56 // not have any children that needs style recalc or invalidation.	56 // not have any children that needs style recalc or invalidation.

57	57

58 document.body.offsetTop;	58 document.body.offsetTop;

59 document.body.querySelector("#t3 > div > div").className = "c";	59 document.body.querySelector("#t3 > div > div").className = "c";

60 shouldBe("getComputedStyle(document.body.querySelector('#t3 .b')).color", "green ", true);	60 shouldBe("getComputedStyle(document.body.querySelector('#t3 .b')).color", "green ", true);

61 if (window.internals)	61 if (window.internals)

62 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");	62 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "1");

63	63

64 </script>	64 </script>

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