third_party/WebKit/LayoutTests/fast/css/invalidation/nth-pseudo.html - Issue 2228933002: Use elementAfter/Before, not nodeAfter/Before for nth-invalidation.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/css/invalidation/nth-pseudo.html

Issue 2228933002: Use elementAfter/Before, not nodeAfter/Before for nth-invalidation. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 4 months ago

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	1 <!DOCTYPE html>

	2 <script src="../../../resources/testharness.js"></script>

	3 <script src="../../../resources/testharnessreport.js"></script>

	4 <style>

	5 #t1 > :nth-child(even) {

	6 background-color: green

	7 }

	8 #t2 > :nth-last-child(even) {

	9 background-color: green

	10 }

	11 </style>

	12 <div id="t1">

	13 <span></span>

	14 </div>

	15 <div id="t2">

	16 <span></span>

	17 </div>

	18

	19 <script>

	20 function backgroundIsGreen(element) {

	21 assert_equals(getComputedStyle(element).backgroundColor, "rgb(0, 128, 0) ");

	22 }

	23

	24 function backgroundIsTransparent(element) {

	25 assert_equals(getComputedStyle(element).backgroundColor, "rgba(0, 0, 0, 0)");

	26 }

	27

	28 test(() => {

	29 t1.offsetTop;

	30 assert_equals(t1.lastChild.nodeType, Node.TEXT_NODE);

	31 t1.insertBefore(document.createElement("span"), t1.lastChild);

	32 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1);

	33 }, "Appending an element sibling should not affect :nth-child of preceeding siblings.");

	34

	35 test(() => {

	36 t2.offsetTop;

	37 assert_equals(t2.firstChild.nodeType, Node.TEXT_NODE);

	38 assert_equals(t2.firstChild.nextSibling.nodeType, Node.ELEMENT_NODE);

	39 t2.insertBefore(document.createElement("span"), t2.firstChild.nextSiblin g);

	40 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1);

	41 }, "Prepending an element sibling should not affect :nth-last-child of succe eding siblings.");

	42

	43 </script>

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