third_party/WebKit/LayoutTests/web-animations-api/element-animate-no-style-recalc.html - Issue 1698913003: Avoid style recalc during element.animate() when unnecessary

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Unified Diff: third_party/WebKit/LayoutTests/web-animations-api/element-animate-no-style-recalc.html

Issue 1698913003: Avoid style recalc during element.animate() when unnecessary (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@_renameToSampledEffect

Patch Set: Added test case Created 4 years, 10 months ago

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Index: third_party/WebKit/LayoutTests/web-animations-api/element-animate-no-style-recalc.html

diff --git a/third_party/WebKit/LayoutTests/web-animations-api/element-animate-no-style-recalc.html b/third_party/WebKit/LayoutTests/web-animations-api/element-animate-no-style-recalc.html

new file mode 100644

index 0000000000000000000000000000000000000000..3cb3cd33e20bd9baf0b5beca3fe45777de7a8bbb

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/web-animations-api/element-animate-no-style-recalc.html

@@ -0,0 +1,14 @@

+<!DOCTYPE html>

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

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

+<div id="container">

+ <div id="target"></div>

+</div>

+<script>

+test(() => {

+ internals.updateStyleAndReturnAffectedElementCount();

+ container.style.color = 'blue';

+ target.animate({color: 'blue'}, {fill: 'forwards'});

+ assert_greater_than(internals.updateStyleAndReturnAffectedElementCount(), 1);

+}, 'Calling element.animate() should not force a style recalc.');

+</script>

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