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Fixes #7912. Make sure .cur() only returns 0 as fallback value when it needs to ("", auto, undefined, null).

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This change makes .cur() more .cssHooks friendly. .cur() now returns the unmodified value by
.css() if it isn't a number, number-alike or a value that needs a fallback to 0.
This way fx.start doesn't need to be recalculated for complex values.
This commit is contained in:
louisremi 2011-02-17 17:26:23 +01:00 • committed by Anton M
parent b9f5e2b974
commit 85d9343271
2 changed files with 43 additions and 16 deletions
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49
test/unit/effects.js vendored
View file

@ -558,21 +558,44 @@ jQuery.checkOverflowDisplay = function(){
start();
}
test("support negative values < -10000 (bug #7193)", function () {
expect(1);
stop();
test("jQuery.fx.prototype.cur()", function() {
expect(5);
var nothiddendiv = jQuery('#nothiddendiv').css({
color: '#ABC',
border: '5px solid black',
left: 'auto',
marginBottom: '11000px'
})[0];
jQuery.extend(jQuery.fx.step, {
"marginBottom": function(fx) {
equals( fx.cur(), -11000, "Element has margin-bottom of -11000" );
delete jQuery.fx.step.marginBottom;
}
});
equals(
(new jQuery.fx( nothiddendiv, {}, 'color' )).cur(),
jQuery.css( nothiddendiv,'color' ),
"Return the same value as jQuery.css for complex properties (bug #7912)"
);
jQuery("#main").css("marginBottom", "-11000px").animate({ marginBottom: "-11001px" }, {
duration: 1,
complete: start
});
strictEqual(
(new jQuery.fx( nothiddendiv, {}, 'borderLeftWidth' )).cur(),
5,
"Return simple values parsed as Float"
);
strictEqual(
(new jQuery.fx( nothiddendiv, {}, 'backgroundPosition' )).cur(),
0,
'Return 0 when jQuery.css returns an empty string'
);
strictEqual(
(new jQuery.fx( nothiddendiv, {}, 'left' )).cur(),
0,
'Return 0 when jQuery.css returns "auto"'
);
equals(
(new jQuery.fx( nothiddendiv, {}, 'marginBottom' )).cur(),
11000,
"support negative values < -10000 (bug #7193)"
);
});
test("JS Overflow and Display", function() {