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