third_party/WebKit/LayoutTests/fast/multicol/dynamic/invalid-spanner-container-becomes-valid.html - Issue 2479873002: Descendants may become or cease to be spanners when an ancestor changes style.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/multicol/dynamic/invalid-spanner-container-becomes-valid.html

Issue 2479873002: Descendants may become or cease to be spanners when an ancestor changes style. (Closed)

Patch Set: Created 4 years, 1 month ago

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(Empty)
	1 <!DOCTYPE html>

	2 <p>There should be a blue square below, and no red.</p>

	3 <div id="multicol" style="columns:2; column-gap:80px; width:100px; background:re d;">

	4 <div id="changeMe" style="float:left;">

	5 <div id="spanner" style="column-span:all; height:100px; background:blue; "></div>

	6 </div>

	7 </div>

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

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

	10 <script>

	11 test(() => {

	12 var multicol = document.getElementById("multicol");

	13 var spanner = document.getElementById("spanner");

	14 var changeMe = document.getElementById('changeMe');

	15 document.documentElement.offsetTop;

	16

	17 changeMe.style.cssFloat = 'none';

	18 assert_equals(multicol.offsetHeight, 100);

	19 assert_equals(spanner.offsetWidth, 100);

	20 }, "Turn a spanner candidate's parent from float into regular block");

	21 </script>

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