56 lines
1.9 KiB
HTML
56 lines
1.9 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<script src="../testcommon.js"></script>
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<body>
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<script>
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'use strict';
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// We clamp +infinity or -inifinity value in floating point to
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// maximum floating point value or -maximum floating point value.
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const max_float = 3.40282e+38;
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test(function(t) {
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var div = addDiv(t);
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div.style = "width: 1px; height: 1px;";
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var anim = div.animate([ { transform: 'scale(1)' },
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{ transform: 'scale(3.5e+38)'},
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{ transform: 'scale(3)' } ], 100 * MS_PER_SEC);
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anim.pause();
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anim.currentTime = 50 * MS_PER_SEC;
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assert_equals(getComputedStyle(div).transform,
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'matrix(' + max_float + ', 0, 0, ' + max_float + ', 0, 0)');
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}, 'Test that the parameter of transform scale is clamped' );
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test(function(t) {
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var div = addDiv(t);
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div.style = "width: 1px; height: 1px;";
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var anim = div.animate([ { transform: 'translate(1px)' },
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{ transform: 'translate(3.5e+38px)'},
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{ transform: 'translate(3px)' } ], 100 * MS_PER_SEC);
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anim.pause();
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anim.currentTime = 50 * MS_PER_SEC;
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assert_equals(getComputedStyle(div).transform,
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'matrix(1, 0, 0, 1, ' + max_float + ', 0)');
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}, 'Test that the parameter of transform translate is clamped' );
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test(function(t) {
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var div = addDiv(t);
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div.style = "width: 1px; height: 1px;";
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var anim = div.animate([ { transform: 'matrix(0.5, 0, 0, 0.5, 0, 0)' },
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{ transform: 'matrix(2, 0, 0, 2, 3.5e+38, 0)'},
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{ transform: 'matrix(0, 2, 0, -2, 0, 0)' } ],
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100 * MS_PER_SEC);
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anim.pause();
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anim.currentTime = 50 * MS_PER_SEC;
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assert_equals(getComputedStyle(div).transform,
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'matrix(2, 0, 0, 2, ' + max_float + ', 0)');
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}, 'Test that the parameter of transform matrix is clamped' );
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done();
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</script>
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</body>
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