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-rw-r--r--dom/animation/test/style/test_interpolation-from-interpolatematrix-to-none.html43
1 files changed, 43 insertions, 0 deletions
diff --git a/dom/animation/test/style/test_interpolation-from-interpolatematrix-to-none.html b/dom/animation/test/style/test_interpolation-from-interpolatematrix-to-none.html
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+++ b/dom/animation/test/style/test_interpolation-from-interpolatematrix-to-none.html
@@ -0,0 +1,43 @@
+<!doctype html>
+<meta charset=utf-8>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<script src='../testcommon.js'></script>
+<div id='log'></div>
+<script type='text/javascript'>
+'use strict';
+
+test(function(t) {
+ var target = addDiv(t);
+ target.style.transform = 'translateX(100px)';
+ target.style.transition = 'all 10s linear -5s';
+ getComputedStyle(target).transform;
+
+ target.style.transform = 'rotate(90deg)';
+ var interpolated_matrix = 'matrix(' + Math.cos(Math.PI / 4) + ',' +
+ Math.sin(Math.PI / 4) + ',' +
+ -Math.sin(Math.PI / 4) + ',' +
+ Math.cos(Math.PI / 4) + ',' +
+ '50, 0)';
+ assert_matrix_equals(getComputedStyle(target).transform,
+ interpolated_matrix,
+ 'the equivalent matrix of ' + 'interpolatematrix(' +
+ 'translateX(100px), rotate(90deg), 0.5)');
+
+ // Trigger a new transition from
+ // interpolatematrix(translateX(100px), rotate(90deg), 0.5) to none
+ // with 'all 10s linear -5s'.
+ target.style.transform = 'none';
+ interpolated_matrix = 'matrix(' + Math.cos(Math.PI / 8) + ',' +
+ Math.sin(Math.PI / 8) + ',' +
+ -Math.sin(Math.PI / 8) + ',' +
+ Math.cos(Math.PI / 8) + ',' +
+ '25, 0)';
+ assert_matrix_equals(getComputedStyle(target).transform,
+ interpolated_matrix,
+ 'the expected matrix from interpolatematrix(' +
+ 'translateX(100px), rotate(90deg), 0.5) to none at 50%');
+}, 'Test interpolation from interpolatematrix to none at 50%');
+
+</script>
+</html>