Index: LayoutTests/animations/keyframes-cssom-updates-animation.html |
diff --git a/LayoutTests/animations/keyframes-cssom-updates-animation.html b/LayoutTests/animations/keyframes-cssom-updates-animation.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..aa8474b26aae754d527c316c476005f40a2954ec |
--- /dev/null |
+++ b/LayoutTests/animations/keyframes-cssom-updates-animation.html |
@@ -0,0 +1,66 @@ |
+<!doctype html> |
+<script src="../resources/testharness.js"></script> |
+<script src="../resources/testharnessreport.js"></script> |
+<style> |
+ @keyframes anim { |
+ 0% { left: 0px; } |
+ 20% { left: 500px; } |
+ 100% { left: 100px; } |
+ } |
+ |
+ #target1 { |
+ animation: anim 10s -3s linear paused; |
+ left: 0px; |
+ } |
+ |
+ #target2 { |
+ animation: anim 10s -6s linear paused; |
+ left: 100px; |
+ } |
+</style> |
+<div id="target1"></div> |
+<div id="target2"></div> |
+<script> |
+ test(function() { |
+ assert_equals(parseInt(getComputedStyle(target1).left), 450, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 300, 'left offset'); |
+ |
+ var sheet = document.styleSheets[0]; |
+ var rules = sheet.rules; |
+ var keyframes = rules[0]; |
+ keyframes.appendRule('50% { left: 500px; }'); |
+ keyframes.deleteRule('20%'); |
+ |
+ assert_equals(parseInt(getComputedStyle(target1).left), 300, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 420, 'left offset'); |
+ |
+ var newKeyframeRuleIndex = sheet.rules.length; |
+ sheet.insertRule('@keyframes anim { 0% { left: 0px; } 100% { left: 300px; } }', newKeyframeRuleIndex); // Should override 'anim' |
+ |
+ assert_equals(parseInt(getComputedStyle(target1).left), 90, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 180, 'left offset'); |
+ |
+ sheet.deleteRule(newKeyframeRuleIndex); // Should revert to original 'anim' |
+ |
+ assert_equals(parseInt(getComputedStyle(target1).left), 300, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 420, 'left offset'); |
+ |
+ newStyle = document.createElement('style'); |
+ newStyle.appendChild(document.createTextNode('@keyframes anim { 0% { left: 100px; } 100% { left: 400px; } }')); |
+ document.head.appendChild(newStyle); |
+ |
+ assert_equals(parseInt(getComputedStyle(target1).left), 190, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 280, 'left offset'); |
+ |
+ newStyle.innerHTML = '@keyframes anim { 0% { left: 200px; } 100% { left: 400px; } }'; |
+ |
+ assert_equals(parseInt(getComputedStyle(target1).left), 260, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 320, 'left offset'); |
+ |
+ document.head.removeChild(newStyle); // Should revert to original 'anim' with 50% { left: 500px; } replacing 20%. |
+ |
+ assert_equals(parseInt(getComputedStyle(target1).left), 300, 'left offset'); |
+ assert_equals(parseInt(getComputedStyle(target2).left), 420, 'left offset'); |
+ |
+ }, "Check that changes to animation via CSSOM update it accordingly"); |
+</script> |