Tests: Copy Sizzle.contains tests

diff --git a/test/unit/selector.js b/test/unit/selector.js
index 4c544dca7160423833992b17c1d25924723c83cf..df0282e080489149ef43b9baed2ae78f200e1210 100644 (file)
--- a/test/unit/selector.js
+++ b/test/unit/selector.js
@@ -220,6 +220,32 @@ testIframe("selector/html5_selector", "attributes - jQuery.attr", function( jQue
        t( "Improperly named form elements do not interfere with form selections (#9570)", "form[name='formName']", ["form1"] );
 });
 
+test( "jQuery.contains", function() {
+       expect( 16 );
+
+       var container = document.getElementById("nonnodes"),
+               element = container.firstChild,
+               text = element.nextSibling,
+               nonContained = container.nextSibling,
+               detached = document.createElement("a");
+       ok( element && element.nodeType === 1, "preliminary: found element" );
+       ok( text && text.nodeType === 3, "preliminary: found text" );
+       ok( nonContained, "preliminary: found non-descendant" );
+       ok( jQuery.contains(container, element), "child" );
+       ok( jQuery.contains(container.parentNode, element), "grandchild" );
+       ok( jQuery.contains(container, text), "text child" );
+       ok( jQuery.contains(container.parentNode, text), "text grandchild" );
+       ok( !jQuery.contains(container, container), "self" );
+       ok( !jQuery.contains(element, container), "parent" );
+       ok( !jQuery.contains(container, nonContained), "non-descendant" );
+       ok( !jQuery.contains(container, document), "document" );
+       ok( !jQuery.contains(container, document.documentElement), "documentElement (negative)" );
+       ok( !jQuery.contains(container, null), "Passing null does not throw an error" );
+       ok( jQuery.contains(document, document.documentElement), "documentElement (positive)" );
+       ok( jQuery.contains(document, element), "document container (positive)" );
+       ok( !jQuery.contains(document, detached), "document container (negative)" );
+});
+
 testIframe("selector/sizzle_cache", "Sizzle cache collides with multiple Sizzles on a page", function( jQuery, window, document ) {
        var $cached = window["$cached"];