<!doctype html >
<meta charset=utf-8>
<script src="/resources/testharness.js" ></script >
<script src="/resources/testharnessreport.js" ></script >
<script src="../testcommon.js" ></script >
<body >
<div id="log" ></div >
<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' );
</script >
</body >
Messung V0.5 C=94 H=96 G=94
¤ Dauer der Verarbeitung: 0.3 Sekunden
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