Index: LayoutTests/animations/interpolation/background-position-origin-interpolation.html |
diff --git a/LayoutTests/animations/interpolation/background-position-origin-interpolation.html b/LayoutTests/animations/interpolation/background-position-origin-interpolation.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b9e66b10cd1296a5745c68a76ce712f33f6f7ce6 |
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+++ b/LayoutTests/animations/interpolation/background-position-origin-interpolation.html |
@@ -0,0 +1,140 @@ |
+<!doctype html> |
+<meta charset="utf-8"> |
+<style> |
+.target { |
+ border: 3px solid skyblue; |
+ width: 100px; |
+ height: 100px; |
+ background-image: linear-gradient(to right, coral, coral); |
+ background-size: 20px 20px; |
+ background-repeat: no-repeat; |
+ display: inline-block; |
+} |
+ |
+.replica { |
+ margin-right: 10px; |
+} |
+</style> |
+<body> |
+<script src="resources/interpolation-test.js"></script> |
+<script> |
+ |
+// left-top |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'left 20px top 20px', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: 'calc(37.5% + 5px) calc(37.5% + 5px)'}, |
+ {at: 0.50, is: 'calc(25% + 10px) calc(25% + 10px)'}, |
+ {at: 0.75, is: 'calc(12.5% + 15px) calc(12.5% + 15px)'}, |
+ {at: 1, is: '20px 20px'}, |
+]); |
+ |
+// center-top |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'center top 20px', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: '50% calc(37.5% + 5px)'}, |
+ {at: 0.50, is: '50% calc(25% + 10px)'}, |
+ {at: 0.75, is: '50% calc(12.5% + 15px)'}, |
+ {at: 1, is: '50% 20px'}, |
+]); |
+ |
+// right-top |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'right 20px top 20px', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: 'calc(37.5% + ((100% - 20px) * 0.25)) calc(37.5% + 5px)'}, |
+ {at: 0.50, is: 'calc(25% + ((100% - 20px) * 0.5)) calc(25% + 10px)'}, |
+ {at: 0.75, is: 'calc(12.5% + ((100% - 20px) * 0.75)) calc(12.5% + 15px)'}, |
+ {at: 1, is: 'calc(100% - 20px) 20px'}, |
+]); |
+ |
+// left-center |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'left 20px center', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: 'calc(37.5% + 5px) 50%'}, |
+ {at: 0.50, is: 'calc(25% + 10px) 50%'}, |
+ {at: 0.75, is: 'calc(12.5% + 15px) 50%'}, |
+ {at: 1, is: '20px 50%'}, |
+]); |
+ |
+// center-center |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'center center', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: '50% 50%'}, |
+ {at: 0.50, is: '50% 50%'}, |
+ {at: 0.75, is: '50% 50%'}, |
+ {at: 1, is: '50% 50%'} |
+]); |
+ |
+// right-center |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'right 20px center', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: 'calc(37.5% + ((100% - 20px) * 0.25)) 50%'}, |
+ {at: 0.50, is: 'calc(25% + ((100% - 20px) * 0.5)) 50%'}, |
+ {at: 0.75, is: 'calc(12.5% + ((100% - 20px) * 0.75)) 50%'}, |
+ {at: 1, is: 'calc(100% - 20px) 50%'}, |
+]); |
+ |
+// left-bottom |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'left 20px bottom 20px', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: 'calc(37.5% + 5px) calc(37.5% + ((100% - 20px) * 0.25))'}, |
+ {at: 0.50, is: 'calc(25% + 10px) calc(25% + ((100% - 20px) * 0.5))'}, |
+ {at: 0.75, is: 'calc(12.5% + 15px) calc(12.5% + ((100% - 20px) * 0.75))'}, |
+ {at: 1, is: '20px calc(100% - 20px)'}, |
+]); |
+ |
+// center-bottom |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'center bottom 20px', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: '50% calc(37.5% + ((100% - 20px) * 0.25))'}, |
+ {at: 0.50, is: '50% calc(25% + ((100% - 20px) * 0.5))'}, |
+ {at: 0.75, is: '50% calc(12.5% + ((100% - 20px) * 0.75))'}, |
+ {at: 1, is: '50% calc(100% - 20px)'}, |
+]); |
+ |
+// right-bottom |
+assertInterpolation({ |
+ property: 'background-position', |
+ from: 'center center', |
+ to: 'right 20px bottom 20px', |
+}, [ |
+ {at: 0, is: '50% 50%'}, |
+ {at: 0.25, is: 'calc(37.5% + ((100% - 20px) * 0.25)) calc(37.5% + ((100% - 20px) * 0.25))'}, |
+ {at: 0.50, is: 'calc(25% + ((100% - 20px) * 0.5)) calc(25% + ((100% - 20px) * 0.5))'}, |
+ {at: 0.75, is: 'calc(12.5% + ((100% - 20px) * 0.75)) calc(12.5% + ((100% - 20px) * 0.75))'}, |
+ {at: 1, is: 'calc(100% - 20px) calc(100% - 20px)'}, |
+]); |
+ |
+</script> |
+</body> |