Tests: Copy Sizzle.uniqueSort tests

diff --git a/test/unit/selector.js b/test/unit/selector.js
index 5503e3245a402675e2b728f30ef86ec8bd647489..54ee241b9ea0c26ffb69911aa320feb42a105078 100644 (file)
--- a/test/unit/selector.js
+++ b/test/unit/selector.js
@@ -247,6 +247,85 @@ test( "jQuery.contains", function() {
        ok( !jQuery.contains(document, detached), "document container (negative)" );
 });
 
+test("jQuery.unique", function() {
+       expect( 14 );
+
+       function Arrayish( arr ) {
+               var i = this.length = arr.length;
+               while ( i-- ) {
+                       this[ i ] = arr[ i ];
+               }
+       }
+       Arrayish.prototype = {
+               slice: [].slice,
+               sort: [].sort,
+               splice: [].splice
+       };
+
+       var i, tests,
+               detached = [],
+               body = document.body,
+               fixture = document.getElementById("qunit-fixture"),
+               detached1 = document.createElement("p"),
+               detached2 = document.createElement("ul"),
+               detachedChild = detached1.appendChild( document.createElement("a") ),
+               detachedGrandchild = detachedChild.appendChild( document.createElement("b") );
+
+       for ( i = 0; i < 12; i++ ) {
+               detached.push( document.createElement("li") );
+               detached[i].id = "detached" + i;
+               detached2.appendChild( document.createElement("li") ).id = "detachedChild" + i;
+       }
+
+       tests = {
+               "Empty": {
+                       input: [],
+                       expected: []
+               },
+               "Single-element": {
+                       input: [ fixture ],
+                       expected: [ fixture ]
+               },
+               "No duplicates": {
+                       input: [ fixture, body ],
+                       expected: [ body, fixture ]
+               },
+               "Duplicates": {
+                       input: [ body, fixture, fixture, body ],
+                       expected: [ body, fixture ]
+               },
+               "Detached": {
+                       input: detached.slice( 0 ),
+                       expected: detached.slice( 0 )
+               },
+               "Detached children": {
+                       input: [
+                               detached2.childNodes[0],
+                               detached2.childNodes[1],
+                               detached2.childNodes[2],
+                               detached2.childNodes[3]
+                       ],
+                       expected: [
+                               detached2.childNodes[0],
+                               detached2.childNodes[1],
+                               detached2.childNodes[2],
+                               detached2.childNodes[3]
+                       ]
+               },
+               "Attached/detached mixture": {
+                       input: [ detached1, fixture, detached2, document, detachedChild, body, detachedGrandchild ],
+                       expected: [ document, body, fixture ],
+                       length: 3
+               }
+       };
+
+       jQuery.each( tests, function( label, test ) {
+               var length = test.length || test.input.length;
+               deepEqual( jQuery.unique( test.input ).slice( 0, length ), test.expected, label + " (array)" );
+               deepEqual( jQuery.unique( new Arrayish(test.input) ).slice( 0, length ), test.expected, label + " (quasi-array)" );
+       });
+});
+
 testIframe("selector/sizzle_cache", "Sizzle cache collides with multiple Sizzles on a page", function( jQuery, window, document ) {
        var $cached = window["$cached"];