Index: LayoutTests/animations/timing-functions-update-animation.html |
diff --git a/LayoutTests/animations/timing-functions-update-animation.html b/LayoutTests/animations/timing-functions-update-animation.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ca045caef3156b13698fa60c256bcec4a72bb224 |
--- /dev/null |
+++ b/LayoutTests/animations/timing-functions-update-animation.html |
@@ -0,0 +1,50 @@ |
+<!DOCTYPE html> |
+<script src="../resources/testharness.js"></script> |
+<script src="../resources/testharnessreport.js"></script> |
+<style> |
+ @keyframes anim { |
+ from { left: 0px; } |
+ 50% { left: 400px; animation-timing-function: ease-in; } |
+ to { left: 500px; } |
+ } |
+ |
+ #target { |
+ animation: anim 10s paused; |
+ position: absolute; |
+ } |
+</style> |
+<div id="target"></div> |
+<script> |
+ test(function() { |
+ target.offsetTop; |
+ assert_equals(parseInt(getComputedStyle(target).left), 0, 'left offset'); |
+ target.style.animationTimingFunction = 'ease-out'; // Should not change anything as we're on the first frame |
+ assert_equals(parseInt(getComputedStyle(target).left), 0, 'left offset'); |
+ |
+ target.style.animationDelay = '-1s'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 123, 'left offset'); |
+ target.style.animationTimingFunction = 'linear'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 80, 'left offset'); |
+ target.style.animationTimingFunction = 'cubic-bezier(0, 0.5, 0.2, 1)'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 275, 'left offset'); |
+ target.style.animationTimingFunction = 'ease-out'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 123, 'left offset'); |
+ |
+ target.style.animationDelay = '-4s'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 375, 'left offset'); |
+ target.style.animationTimingFunction = 'linear'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 320, 'left offset'); |
+ target.style.animationTimingFunction = 'cubic-bezier(0, 0.5, 0.2, 1)'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 395, 'left offset'); |
+ target.style.animationTimingFunction = 'ease-out'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 375, 'left offset'); |
+ |
+ target.style.animationDelay = '-6s'; // Transitioning between 50% and 100%, but timing functions on 100% are ignored |
+ assert_equals(parseInt(getComputedStyle(target).left), 406, 'left offset'); |
+ target.style.animationTimingFunction = 'linear'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 406, 'left offset'); |
+ target.style.animationTimingFunction = 'cubic-bezier(0, 0.5, 0.2, 1)'; |
+ assert_equals(parseInt(getComputedStyle(target).left), 406, 'left offset'); |
+ |
+ }, "Check that changes in the animation timing function are reflected immediately"); |
+</script> |