third_party/WebKit/LayoutTests/web-animations-api/time-consistent-across-frames.html - Issue 1410313004: Web Animations: Use a single animation clock

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Unified Diff: third_party/WebKit/LayoutTests/web-animations-api/time-consistent-across-frames.html

Issue 1410313004: Web Animations: Use a single animation clock (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Rebase. Created 5 years, 1 month ago

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Index: third_party/WebKit/LayoutTests/web-animations-api/time-consistent-across-frames.html

diff --git a/third_party/WebKit/LayoutTests/web-animations-api/time-consistent-across-frames.html b/third_party/WebKit/LayoutTests/web-animations-api/time-consistent-across-frames.html

new file mode 100644

index 0000000000000000000000000000000000000000..f72f665680b54548a42dd5bfb15b8129a6e84445

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/web-animations-api/time-consistent-across-frames.html

@@ -0,0 +1,23 @@

+<!DOCTYPE html>

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

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

+<iframe id=frame></iframe>

+<script>

+var handle = async_test('Animation time should tick consistently across frames');

+var baseTime = document.timeline.currentTime;

+var frameBaseTime = frame.contentDocument.timeline.currentTime;

+setTimeout(function() {

+ var start = performance.now();

+ while (performance.now() - start < 30);

+ var delta = document.timeline.currentTime - baseTime;

+ var start = performance.now();

+ while (performance.now() - start < 30);

+ var frameDelta = frame.contentDocument.timeline.currentTime - frameBaseTime;

+ handle.step(() => assert_equals(Math.round(delta), Math.round(frameDelta)));

+ handle.done();

+});

+</script>