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-rw-r--r--test/unit/data.js22
1 files changed, 16 insertions, 6 deletions
diff --git a/test/unit/data.js b/test/unit/data.js
index 79b23c693..0d75bc444 100644
--- a/test/unit/data.js
+++ b/test/unit/data.js
@@ -24,12 +24,15 @@ test("expando", function(){
});
test("jQuery.data", function() {
- expect(8);
- var div = jQuery("#foo")[0];
- equals( jQuery.data(div, "test"), undefined, "Check for no data exists" );
+ expect(9);
+ var div = document.createElement("div");
+
+ ok( 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" );
+
+ ok( jQuery.data(div, "notexist") === undefined, "Check for no data exists" );
var data = jQuery.data(div);
same( data, { "test": "success" }, "Return complete data set" );
@@ -57,18 +60,25 @@ test(".data()", function() {
})
test(".data(String) and .data(String, Object)", function() {
- expect(22);
- var div = jQuery("#foo");
- equals( div.data("test"), undefined, "Check for no data exists" );
+ expect(23);
+ var div = jQuery("<div/>");
+
+ ok( div.data("test") === undefined, "Check for no data exists" );
+
div.data("test", "success");
equals( div.data("test"), "success", "Check for added data" );
+
div.data("test", "overwritten");
equals( div.data("test"), "overwritten", "Check for overwritten data" );
+
div.data("test", undefined);
equals( div.data("test"), "overwritten", "Check that data wasn't removed");
+
div.data("test", null);
ok( div.data("test") === null, "Check for null data");
+ ok( div.data("notexist") === undefined, "Check for no data exists" );
+
div.data("test", "overwritten");
var hits = {test:0}, gets = {test:0};