PerformanceTests/Layout/multicol/tall-content-short-columns.html - Issue 1239783002: Multicol performance tests for tall content (so that we get (very) many columns).

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Side by Side Diff: PerformanceTests/Layout/multicol/tall-content-short-columns.html

Issue 1239783002: Multicol performance tests for tall content (so that we get (very) many columns). (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 5 years, 5 months ago

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	1 <!DOCTYPE html>

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

	3 <body style="overflow:scroll;"> <!-- don't want auto scrollbars to affect the nu mber of layout passes. -->

	4 <pre id="log"></pre>

	5 <div id="target" style="position:absolute; top:0; left:0; display:none; -web kit-columns:2; column-fill:auto; width:40em; height:2em;">

	6 <div style="height:1234567890px;">xxxxxxxxxx</div>

	7 </div>

	8 <script>

	9 var target = document.getElementById("target");

	10 var style = target.style;

	11

	12 function test() {

	13 style.display = "block";

	14 PerfTestRunner.forceLayoutOrFullFrame();

	15

	16 // Do some hit-testing.

	17 document.caretRangeFromPoint(10, 10);

	18

	19 style.display = "none";

	20 PerfTestRunner.forceLayoutOrFullFrame();

	21 }

	22

	23 PerfTestRunner.measureRunsPerSecond({

	24 description: "Measures performance of multicol layout with many columns. ",

	25 run: test

	26 });

	27 </script>

	28 </body>

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