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