LayoutTests/fast/scrolling/scroll-to-origin-no-layout.html - Issue 1071983002: Don't force layout for scrollTo(0,0).

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Side by Side Diff: LayoutTests/fast/scrolling/scroll-to-origin-no-layout.html

Issue 1071983002: Don't force layout for scrollTo(0,0). (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Added comments Created 5 years, 8 months ago

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	1 <!DOCTYPE html>

	2 <script src="../../resources/js-test.js"></script>

	3 <div id="spanner"></div>

	4 <script>

	5 spanner.style.height = "3000px";

	6 scrollTo(0, 1000);

	7

	8 if (window.internals) {

	9 var styleCount = internals.updateStyleAndReturnAffectedElementCount();

	10 var layoutCount = internals.needsLayoutCount();

	11 // scrollTo should have synchronously updated style and layout

	12 shouldBe("styleCount", "0");

	13 shouldBe("layoutCount", "0");

	14 }

	15 shouldBe("window.scrollY", "1000");

	16

	17 spanner.style.height = "2000px";

	18 scrollTo(0, 0);

	19

	20 if (window.internals) {

	21 var styleCount = internals.updateStyleAndReturnAffectedElementCount();

	22 var layoutCount = internals.needsLayoutCount();

	23 // scrollTo should not need to synchronously updated style and layout

	24 shouldNotBe("styleCount", "0");

	25 shouldNotBe("layoutCount", "0");

	26 }

	27 shouldBe("window.scrollY", "0");

	28 </script>

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