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Unified Diff: third_party/WebKit/LayoutTests/animations/function-easing-use-counters-linear.html

Issue 1867803002: Add use counters for function values of easing (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase and update UseCounters again Created 4 years, 8 months ago
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Index: third_party/WebKit/LayoutTests/animations/function-easing-use-counters-linear.html
diff --git a/third_party/WebKit/LayoutTests/animations/function-easing-use-counters-linear.html b/third_party/WebKit/LayoutTests/animations/function-easing-use-counters-linear.html
new file mode 100644
index 0000000000000000000000000000000000000000..769a70c0e28a832618d5067c988ca8cd4d7bad14
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/animations/function-easing-use-counters-linear.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<script>
+'use strict';
+// From UseCounter.h
+var WebAnimationsEasingAsFunctionLinear = 1295;
+var WebAnimationsEasingAsFunctionOther = 1296;
+
+test(() => {
+ document.documentElement.animate([], { });
+ document.documentElement.animate([], { easing: 'linear' });
+ document.documentElement.animate([], { easing: 'step-start' });
+ document.documentElement.animate([], { easing: 'invalid' });
+ assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionLinear));
+ assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionOther));
+}, 'Non-function values for easing are not use-counted.');
+
+test(() => {
+ // This linear function value is the one expected from uses of the unpatched
+ // Web Animations polyfill (i.e. old versions lacking
+ // https://github.com/web-animations/web-animations-next/pull/423).
+ document.documentElement.animate([], { easing: 'function (a){return a}' });
+ assert_true(internals.isUseCounted(document, WebAnimationsEasingAsFunctionLinear));
+ assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionOther));
+}, 'A specific linear function for easing is counted in WebAnimationsEasingAsFunctionLinear.');
+</script>
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