Ticket #4101: 0001-Adds-.fn.has-depends-on-Sizzle-patch.patch

src/traversing.js

@@ -43 +43 @@
                 return ret;
         },
 
+        has: function( target ) {
+          var targets = jQuery(target);
+          return this.filter(function() {
+                        for( var i=0, j=targets.length; i<j; i++ )
+                                if(jQuery.contains( this, targets[i] )) return true;
+          });
+        },
+
         not: function( selector ) {
                 return this.pushStack( jQuery.winnow(this, selector, false), "not", selector);
         },

test/unit/traversing.js

@@ -135 +135 @@
         expect(1);
 
         isSet( jQuery("p").not(jQuery("#ap, #sndp, .result")).get(), q("firstp", "en", "sap", "first"), "not(jQuery)" );
-})
+});
+
+test("has(Element)", function() {
+        expect(2);
+
+        var obj = jQuery("#main").has(jQuery("#sndp")[0]);
+        isSet( obj, q("main"), "Keeps elements that have the element as a descendant" );
+
+        var multipleParent = jQuery("#main, #header").has(jQuery("#sndp")[0]);
+        isSet( obj, q("main"), "Does not include elements that do not have the element as a descendant" );
+});
+
+test("has(Selector)", function() {
+        expect(3);
+
+        var obj = jQuery("#main").has("#sndp");
+        isSet( obj, q("main"), "Keeps elements that have any element matching the selector as a descendant" );
+
+        var multipleParent = jQuery("#main, #header").has("#sndp");
+        isSet( obj, q("main"), "Does not include elements that do not have the element as a descendant" );
+
+        var multipleHas = jQuery("#main").has("#sndp, #first");
+        isSet( multipleHas, q("main"), "Only adds elements once" );
+});
+
+test("has(Arrayish)", function() {
+        expect(3);
+
+        var simple = jQuery("#main").has(jQuery("#sndp"));
+        isSet( simple, q("main"), "Keeps elements that have any element in the jQuery list as a descendant" );
+
+        var multipleParent = jQuery("#main, #header").has(jQuery("#sndp"));
+        isSet( multipleParent, q("main"), "Does not include elements that do not have an element in the jQuery list as a descendant" );
+
+        var multipleHas = jQuery("#main").has(jQuery("#sndp, #first"));
+        isSet( simple, q("main"), "Only adds elements once" );
+});
 
 test("andSelf()", function() {
         expect(4);