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data should not add expando unless actually adding data

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This commit is contained in:
Brandon Aaron 2009-09-15 21:14:08 +00:00
parent 24ffc395a7
commit 97e134fe80
2 changed files with 45 additions and 20 deletions
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27
test/unit/data.js
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@ -1,31 +1,46 @@
module("data");
test("expando", function(){
expect(4);
expect(7);
equals("expando" in jQuery, true, "jQuery is exposing the expando");
var obj = {};
jQuery.data(obj);
equals( jQuery.expando in obj, false, "jQuery.data did not add an expando to the object" );
jQuery.data(obj, true);
equals( jQuery.expando in obj, false, "jQuery.data did not add an expando to the object" );
jQuery.data(obj, 'test');
equals( jQuery.expando in obj, false, "jQuery.data did not add an expando to the object" );
jQuery.data(obj, "foo", "bar");
equals(jQuery.expando in obj, true, "jQuery.data added an expando to the object");
equals( jQuery.expando in obj, true, "jQuery.data added an expando to the object" );
var id = obj[jQuery.expando];
equals( id in jQuery.cache, true, "jQuery.data added an entry to jQuery.cache");
equals( id in jQuery.cache, true, "jQuery.data added an entry to jQuery.cache" );
equals( jQuery.cache[id].foo, "bar", "jQuery.data worked correctly");
equals( jQuery.cache[id].foo, "bar", "jQuery.data worked correctly" );
});
test("jQuery.data", function() {
expect(5);
expect(6);
var div = jQuery("#foo")[0];
equals( jQuery.data(div, "test"), undefined, "Check for no data exists" );
jQuery.data(div, "test", "success");
equals( jQuery.data(div, "test"), "success", "Check for added data" );
var data = jQuery.data(div, true);
same( data, { "test": "success" }, "Return complete data set" );
jQuery.data(div, "test", "overwritten");
equals( jQuery.data(div, "test"), "overwritten", "Check for overwritten data" );
jQuery.data(div, "test", undefined);
equals( jQuery.data(div, "test"), "overwritten", "Check that data wasn't removed");
jQuery.data(div, "test", null);
ok( jQuery.data(div, "test") === null, "Check for null data");
});