Index: third_party/WebKit/LayoutTests/animations/use-count-SyntheticKeyframesInCompositedCSSAnimation.html |
diff --git a/third_party/WebKit/LayoutTests/animations/use-count-SyntheticKeyframesInCompositedCSSAnimation.html b/third_party/WebKit/LayoutTests/animations/use-count-SyntheticKeyframesInCompositedCSSAnimation.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f6b97abb38cc4750e4739e3a9a275f50203bfb74 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/animations/use-count-SyntheticKeyframesInCompositedCSSAnimation.html |
@@ -0,0 +1,57 @@ |
+<!DOCTYPE html> |
+<script src="../resources/testharness.js"></script> |
+<script src="../resources/testharnessreport.js"></script> |
+<style> |
+@keyframes noSyntheticKeyframes { |
+ from { color: black; } |
+ to { color: green; } |
+} |
+@keyframes customPropertySyntheticKeyframes { |
+ to { --x: pants; } |
+} |
+@keyframes nonCompositedSyntheticKeyframes { |
+ to { color: green; } |
+} |
+@keyframes compositedSyntheticKeyframes { |
+ from { |
+ opacity: 0; |
+ } |
+ to { |
+ transform: rotate(45deg); |
+ opacity: 1; |
+ } |
+} |
+#target { |
+ animation-duration: 1s; |
+} |
+</style> |
+<div id="target"></div> |
+<script> |
+// From UseCounter.h. |
+var SyntheticKeyframesInCompositedCSSAnimation = 664; |
+ |
+function forceStyleRecalc() { |
+ getComputedStyle(target).left; |
+} |
+ |
+test(() => { |
+ forceStyleRecalc(); |
+ assert_false(internals.isUseCounted(document, SyntheticKeyframesInCompositedCSSAnimation), 'No animations started'); |
+ |
+ target.style.animationName = 'noSyntheticKeyframes'; |
+ forceStyleRecalc(); |
+ assert_false(internals.isUseCounted(document, SyntheticKeyframesInCompositedCSSAnimation), 'noSyntheticKeyframes'); |
+ |
+ target.style.animationName = 'customPropertySyntheticKeyframes'; |
+ forceStyleRecalc(); |
+ assert_false(internals.isUseCounted(document, SyntheticKeyframesInCompositedCSSAnimation), 'customPropertySyntheticKeyframes'); |
+ |
+ target.style.animationName = 'nonCompositedSyntheticKeyframes'; |
+ forceStyleRecalc(); |
+ assert_false(internals.isUseCounted(document, SyntheticKeyframesInCompositedCSSAnimation), 'nonCompositedSyntheticKeyframes'); |
+ |
+ target.style.animationName = 'compositedSyntheticKeyframes'; |
+ forceStyleRecalc(); |
+ assert_true(internals.isUseCounted(document, SyntheticKeyframesInCompositedCSSAnimation), 'compositedSyntheticKeyframes'); |
+}, 'The SyntheticKeyframesInCompositedCSSAnimation use counter should only be triggered by animations with composited properties with neutral keyframes'); |
+</script> |