diff --git a/test/data/testrunner.js b/test/data/testrunner.js
index aa7c13019..ddbe2b09f 100644
--- a/test/data/testrunner.js
+++ b/test/data/testrunner.js
@@ -172,11 +172,11 @@ var Globals = (function() {
 	// instead of asserting every time a test has leaked sometime in the past
 	var oldCacheLength = 0,
 		oldFragmentsLength = 0,
-		oldTimersLength = 0,
 		oldActive = 0,
 
 		expectedDataKeys = {},
 
+		splice = [].splice,
 		reset = QUnit.reset,
 		ajaxSettings = jQuery.ajaxSettings;
 
@@ -286,6 +286,20 @@ var Globals = (function() {
 		// Reset data register
 		expectedDataKeys = {};
 
+		// Check for (and clean up, if possible) incomplete animations/requests/etc.
+		if ( jQuery.timers && jQuery.timers.length !== 0 ) {
+			equal( jQuery.timers.length, 0, "No timers are still running" );
+			splice.call( jQuery.timers, 0, jQuery.timers.length );
+			jQuery.fx.stop();
+		}
+		if ( jQuery.active !== undefined && jQuery.active !== oldActive ) {
+			equal( jQuery.active, oldActive, "No AJAX requests are still active" );
+			if ( ajaxTest.abort ) {
+				ajaxTest.abort("active requests");
+			}
+			oldActive = jQuery.active;
+		}
+
 		// Allow QUnit.reset to clean up any attached elements before checking for leaks
 		QUnit.reset();
 
@@ -309,17 +323,6 @@ var Globals = (function() {
 			equal( fragmentsLength, oldFragmentsLength, "No unit tests leak memory in jQuery.fragments" );
 			oldFragmentsLength = fragmentsLength;
 		}
-		if ( jQuery.timers && jQuery.timers.length !== oldTimersLength ) {
-			equal( jQuery.timers.length, oldTimersLength, "No timers are still running" );
-			oldTimersLength = jQuery.timers.length;
-		}
-		if ( jQuery.active !== undefined && jQuery.active !== oldActive ) {
-			equal( jQuery.active, 0, "No AJAX requests are still active" );
-			if ( ajaxTest.abort ) {
-				ajaxTest.abort("active requests");
-			}
-			oldActive = jQuery.active;
-		}
 	};
 
 	QUnit.done(function() {
diff --git a/test/unit/attributes.js b/test/unit/attributes.js
index 2626fa022..67ef17472 100644
--- a/test/unit/attributes.js
+++ b/test/unit/attributes.js
@@ -376,7 +376,7 @@ test( "attr(String, Object)", function() {
 	});
 
 	var table = jQuery("#table").append("<tr><td>cell</td></tr><tr><td>cell</td><td>cell</td></tr><tr><td>cell</td><td>cell</td></tr>"),
-		td = table.find("td:first");
+		td = table.find("td").eq(0);
 	td.attr( "rowspan", "2" );
 	equal( td[ 0 ]["rowSpan"], 2, "Check rowspan is correctly set" );
 	td.attr( "colspan", "2" );
diff --git a/test/unit/core.js b/test/unit/core.js
index 3fe3a2301..0a9227afb 100644
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -28,13 +28,12 @@ test("jQuery()", function() {
 
 	var elem, i,
 		obj = jQuery("div"),
-		main = jQuery("#qunit-fixture"),
 		code = jQuery("<code/>"),
 		img = jQuery("<img/>"),
 		div = jQuery("<div/><hr/><code/><b/>"),
 		exec = false,
 		lng = "",
-		expected = 21,
+		expected = 20,
 		attrObj = {
 			"text": "test",
 			"class": "test2",
@@ -78,8 +77,6 @@ test("jQuery()", function() {
 	// can actually yield more than one, when iframes are included, the window is an array as well
 	equal( jQuery(window).length, 1, "Correct number of elements generated for jQuery(window)" );
 
-	deepEqual( jQuery("div p", main).get(), q("sndp", "en", "sap"), "Basic selector with jQuery object as context" );
-
 /*
 	// disabled since this test was doing nothing. i tried to fix it but i'm not sure
 	// what the expected behavior should even be. FF returns "\n" for the text node
@@ -154,6 +151,13 @@ test("jQuery()", function() {
 	}
 });
 
+test("jQuery(selector, context)", function() {
+	expect(3);
+	deepEqual( jQuery("div p", "#qunit-fixture").get(), q("sndp", "en", "sap"), "Basic selector with string as context" );
+	deepEqual( jQuery("div p", q("qunit-fixture")[0]).get(), q("sndp", "en", "sap"), "Basic selector with element as context" );
+	deepEqual( jQuery("div p", jQuery("#qunit-fixture")).get(), q("sndp", "en", "sap"), "Basic selector with jQuery object as context" );
+});
+
 test( "selector state", function() {
 	expect( 18 );
 
diff --git a/test/unit/css.js b/test/unit/css.js
index 27069f8a3..e8ce75b02 100644
--- a/test/unit/css.js
+++ b/test/unit/css.js
@@ -616,12 +616,12 @@ test("jQuery.css(elem, 'height') doesn't clear radio buttons (bug #1095)", funct
 	expect(4);
 
 	var $checkedtest = jQuery("#checkedtest");
-	// IE6 was clearing "checked" in jQuery.css(elem, "height");
 	jQuery.css($checkedtest[0], "height");
-	ok( !! jQuery(":radio:first", $checkedtest).attr("checked"), "Check first radio still checked." );
-	ok( ! jQuery(":radio:last", $checkedtest).attr("checked"), "Check last radio still NOT checked." );
-	ok( !! jQuery(":checkbox:first", $checkedtest).attr("checked"), "Check first checkbox still checked." );
-	ok( ! jQuery(":checkbox:last", $checkedtest).attr("checked"), "Check last checkbox still NOT checked." );
+
+	ok( jQuery("input[type='radio']", $checkedtest).first().attr("checked"), "Check first radio still checked." );
+	ok( !jQuery("input[type='radio']", $checkedtest).last().attr("checked"), "Check last radio still NOT checked." );
+	ok( jQuery("input[type='checkbox']", $checkedtest).first().attr("checked"), "Check first checkbox still checked." );
+	ok( !jQuery("input[type='checkbox']", $checkedtest).last().attr("checked"), "Check last checkbox still NOT checked." );
 });
 
 test("internal ref to elem.runtimeStyle (bug #7608)", function () {
diff --git a/test/unit/dimensions.js b/test/unit/dimensions.js
index 680b08320..64094c2e5 100644
--- a/test/unit/dimensions.js
+++ b/test/unit/dimensions.js
@@ -296,8 +296,8 @@ test("getting dimensions shouldnt modify runtimeStyle see #9233", function() {
 
 test( "table dimensions", 2, function() {
 	var table = jQuery("<table><colgroup><col/><col/></colgroup><tbody><tr><td></td><td>a</td></tr><tr><td></td><td>a</td></tr></tbody></table>").appendTo("#qunit-fixture"),
-		tdElem = table.find("tr:eq(0) td:eq(0)"),
-		colElem = table.find("col:eq(1)").width( 300 );
+		tdElem = table.find("td").first(),
+		colElem = table.find("col").first().width( 300 );
 
 	table.find("td").css({ "margin": 0, "padding": 0 });
 
diff --git a/test/unit/effects.js b/test/unit/effects.js
index 8c56581db..791e28bcf 100644
--- a/test/unit/effects.js
+++ b/test/unit/effects.js
@@ -1,6 +1,18 @@
-if ( jQuery.fx ) {
+(function() {
 
-module("effects", { teardown: moduleTeardown });
+// Can't test what ain't there
+if ( !jQuery.fx ) {
+	return;
+}
+
+var off = jQuery.fx.off;
+
+module("effects", {
+	teardown: function() {
+		jQuery.fx.off = off;
+		return moduleTeardown.apply( this, arguments );
+	}
+});
 
 test("sanity check", function() {
 	expect(1);
@@ -1055,12 +1067,11 @@ test("jQuery.show('fast') doesn't clear radio buttons (bug #1095)", function ()
 	stop();
 
 	var $checkedtest = jQuery("#checkedtest");
-	// IE6 was clearing "checked" in jQuery(elem).show("fast");
 	$checkedtest.hide().show("fast", function() {
-		ok( !! jQuery(":radio:first", $checkedtest).attr("checked"), "Check first radio still checked." );
-		ok( ! jQuery(":radio:last", $checkedtest).attr("checked"), "Check last radio still NOT checked." );
-		ok( !! jQuery(":checkbox:first", $checkedtest).attr("checked"), "Check first checkbox still checked." );
-		ok( ! jQuery(":checkbox:last", $checkedtest).attr("checked"), "Check last checkbox still NOT checked." );
+		ok( jQuery("input[type='radio']", $checkedtest).first().attr("checked"), "Check first radio still checked." );
+		ok( !jQuery("input[type='radio']", $checkedtest).last().attr("checked"), "Check last radio still NOT checked." );
+		ok( jQuery("input[type='checkbox']", $checkedtest).first().attr("checked"), "Check first checkbox still checked." );
+		ok( !jQuery("input[type='checkbox']", $checkedtest).last().attr("checked"), "Check last checkbox still NOT checked." );
 		start();
 	});
 });
@@ -1485,7 +1496,7 @@ test( "animate should set display for disconnected nodes", function() {
 	});
 });
 
-asyncTest("Animation callback should not show animated element as animated (#7157)", 1, function() {
+asyncTest("Animation callback should not show animated element as :animated (#7157)", 1, function() {
 	var foo = jQuery( "#foo" );
 
 	foo.animate({
@@ -2014,4 +2025,4 @@ test( ".finish() calls finish of custom queue functions", function() {
 	div.remove();
 });
 
-} // if ( jQuery.fx )
+})();
diff --git a/test/unit/event.js b/test/unit/event.js
index f5dd149a3..6be4eb8e7 100644
--- a/test/unit/event.js
+++ b/test/unit/event.js
@@ -310,8 +310,10 @@ test("bind/one/unbind(Object)", function(){
 test("on/off(Object), delegate/undelegate(String, Object)", function() {
 	expect(6);
 
-	var clickCounter = 0, mouseoverCounter = 0,
-		$p = jQuery("#firstp"), $a = $p.find("a:first");
+	var clickCounter = 0,
+		mouseoverCounter = 0,
+		$p = jQuery("#firstp"),
+		$a = $p.find("a").eq(0);
 
 	var events = {
 		"click": function( event ) {
@@ -326,7 +328,7 @@ test("on/off(Object), delegate/undelegate(String, Object)", function() {
 		$a.trigger("click").trigger("mouseover");
 	}
 
-	jQuery( document ).on( events, "#firstp a:first" );
+	jQuery( document ).on( events, "#firstp a" );
 	$p.delegate( "a", events, 2 );
 
 	trigger();
@@ -339,7 +341,7 @@ test("on/off(Object), delegate/undelegate(String, Object)", function() {
 	equal( clickCounter, 4, "undelegate" );
 	equal( mouseoverCounter, 4, "undelegate" );
 
-	jQuery( document ).off( events, "#firstp a:first" );
+	jQuery( document ).off( events, "#firstp a" );
 
 	trigger();
 	equal( clickCounter, 4, "off" );
@@ -349,19 +351,21 @@ test("on/off(Object), delegate/undelegate(String, Object)", function() {
 test("on/delegate immediate propagation", function() {
 	expect(2);
 
-	var $p = jQuery("#firstp"), $a = $p.find("a:first"), lastClick;
+	var lastClick,
+		$p = jQuery("#firstp"),
+		$a = $p.find("a").eq(0);
 
 	lastClick = "";
-	jQuery( document ).on( "click", "#firstp a:first", function(e) {
+	jQuery( document ).on( "click", "#firstp a", function(e) {
 		lastClick = "click1";
 		e.stopImmediatePropagation();
 	});
-	jQuery( document ).on( "click", "#firstp a:first", function(e) {
+	jQuery( document ).on( "click", "#firstp a", function(e) {
 		lastClick = "click2";
 	});
 	$a.trigger( "click" );
 	equal( lastClick, "click1", "on stopImmediatePropagation" );
-	jQuery( document ).off( "click", "#firstp a:first" );
+	jQuery( document ).off( "click", "#firstp a" );
 
 	lastClick = "";
 	$p.delegate( "a", "click", function(e) {
@@ -490,7 +494,7 @@ test("bind(), namespaced events, cloned events", 18, function() {
 
 	// Make sure events stick with appendTo'd elements (which are cloned) #2027
 	jQuery("<a href='#fail' class='test'>test</a>").on( "click", function(){ return false; }).appendTo("#qunit-fixture");
-	ok( jQuery("a.test:first").triggerHandler("click") === false, "Handler is bound to appendTo'd elements" );
+	ok( jQuery("a.test").eq(0).triggerHandler("click") === false, "Handler is bound to appendTo'd elements" );
 });
 
 test("bind(), multi-namespaced events", function() {
@@ -996,7 +1000,7 @@ test("trigger(type, [data], [fn])", function() {
 
 	var pass = true, elem2;
 	try {
-		elem2 = jQuery("#form input:first");
+		elem2 = jQuery("#form input").eq(0);
 		elem2.get(0).style.display = "none";
 		elem2.trigger("focus");
 	} catch(e) {
@@ -1006,7 +1010,7 @@ test("trigger(type, [data], [fn])", function() {
 
 	pass = true;
 	try {
-		jQuery("#qunit-fixture table:first").bind("test:test", function(){}).trigger("test:test");
+		jQuery("#qunit-fixture table").eq(0).bind("test:test", function(){}).trigger("test:test");
 	} catch (e) {
 		pass = false;
 	}
@@ -1717,10 +1721,24 @@ test("jQuery.off using dispatched jQuery.Event", function() {
 
 test( "delegated event with delegateTarget-relative selector", function() {
 	expect(3);
-	var markup = jQuery("<ul><li><a id=\"a0\"></a><ul id=\"ul0\"><li class=test><a id=\"a0_0\"></a></li><li><a id=\"a0_1\"></a></li></ul></li></ul>").appendTo("#qunit-fixture");
+	var markup = jQuery("<div><ul><li><a id=\"a0\"></a><ul id=\"ul0\"><li class=test><a id=\"a0_0\"></a></li><li><a id=\"a0_1\"></a></li></ul></li></ul></div>").appendTo("#qunit-fixture");
+
+	// Non-positional selector (#12383)
+	markup.find("#ul0")
+		.on( "click", "div li a", function() {
+			ok( false, "div is ABOVE the delegation point!" );
+		})
+		.on( "click", "ul a", function() {
+			ok( false, "ul IS the delegation point!" );
+		})
+		.on( "click", "li.test a", function() {
+			ok( true, "li.test is below the delegation point." );
+		})
+		.find("#a0_0").trigger("click").end()
+		.off("click");
 
 	// Positional selector (#11315)
-	markup
+	markup.find("ul").eq(0)
 		.on( "click", ">li>a", function() {
 			ok( this.id === "a0", "child li was clicked" );
 		})
@@ -1732,21 +1750,6 @@ test( "delegated event with delegateTarget-relative selector", function() {
 		.find("a").trigger("click").end()
 		.find("#ul0").off();
 
-	// Non-positional selector (#12383)
-	markup = markup.wrap("<div />").parent();
-	markup
-		.find("#ul0")
-		.on( "click", "div li a", function() {
-			ok( false, "div is ABOVE the delegation point!" );
-		})
-		.on( "click", "ul a", function() {
-			ok( false, "ul is the delegation point!" );
-		})
-		.on( "click", "li.test a", function() {
-			ok( true, "li.test is below the delegation point." );
-		})
-		.find("#a0_0").trigger("click");
-
 	markup.remove();
 });
 
@@ -2558,12 +2561,12 @@ test( "make sure events cloned correctly", 18, function() {
 
 	clone = fixture.clone( true );
 
-	clone.find("p:first").trigger( "click", true ); // 3 events should fire
+	clone.find("p").eq(0).trigger( "click", true ); // 3 events should fire
 	clone.find("#check1").trigger( "change", true ); // 3 events should fire
 	clone.remove();
 
 	clone = fixture.clone( true, true );
-	clone.find("p:first").trigger( "click", true ); // 3 events should fire
+	clone.find("p").eq(0).trigger( "click", true ); // 3 events should fire
 	clone.find("#check1").trigger( "change", true ); // 3 events should fire
 
 	fixture.off();
@@ -2573,11 +2576,11 @@ test( "make sure events cloned correctly", 18, function() {
 	p.trigger("click"); // 0 should be fired
 	checkbox.trigger("change"); // 0 should be fired
 
-	clone.find("p:first").trigger( "click", true );  // 3 events should fire
+	clone.find("p").eq(0).trigger( "click", true );  // 3 events should fire
 	clone.find("#check1").trigger( "change", true ); // 3 events should fire
 	clone.remove();
 
-	clone.find("p:first").trigger("click");  // 0 should be fired
+	clone.find("p").eq(0).trigger("click");  // 0 should be fired
 	clone.find("#check1").trigger("change"); // 0 events should fire
 });
 
diff --git a/test/unit/manipulation.js b/test/unit/manipulation.js
index 01d53a0a1..20d017b25 100644
--- a/test/unit/manipulation.js
+++ b/test/unit/manipulation.js
@@ -300,7 +300,7 @@ test( "unwrap()", function() {
 	var abcd = jQuery("#unwrap1 > span, #unwrap2 > span").get(),
 		abcdef = jQuery("#unwrap span").get();
 
-	equal( jQuery("#unwrap1 span").add("#unwrap2 span:first").unwrap().length, 3, "make #unwrap1 and #unwrap2 go away" );
+	equal( jQuery("#unwrap1 span").add("#unwrap2 span:first-child").unwrap().length, 3, "make #unwrap1 and #unwrap2 go away" );
 	deepEqual( jQuery("#unwrap > span").get(), abcd, "all four spans should still exist" );
 
 	deepEqual( jQuery("#unwrap3 span").unwrap().get(), jQuery("#unwrap3 > span").get(), "make all b in #unwrap3 go away" );
@@ -452,11 +452,11 @@ var testAppend = function( valueObj ) {
 	equal( $map[ 0 ].firstChild.nodeName.toLowerCase(), "area", "The area was inserted." );
 
 	jQuery("#select1").append( valueObj("<OPTION>Test</OPTION>") );
-	equal( jQuery("#select1 option:last").text(), "Test", "Appending OPTION (all caps)" );
+	equal( jQuery("#select1 option:last-child").text(), "Test", "Appending OPTION (all caps)" );
 
 	jQuery("#select1").append( valueObj("<optgroup label='optgroup'><option>optgroup</option></optgroup>") );
 	equal( jQuery("#select1 optgroup").attr("label"), "optgroup", "Label attribute in newly inserted optgroup is correct" );
-	equal( jQuery("#select1 option:last").text(), "optgroup", "Appending optgroup" );
+	equal( jQuery("#select1 option").last().text(), "optgroup", "Appending optgroup" );
 
 	$table = jQuery("#table");
 
@@ -490,7 +490,7 @@ var testAppend = function( valueObj ) {
 	$input = jQuery("<input type='checkbox'/>").prop( "checked", true ).appendTo("#testForm");
 	equal( $input[ 0 ].checked, true, "A checked checkbox that is appended stays checked" );
 
-	$radioChecked = jQuery("input:radio[name='R1']").eq( 1 );
+	$radioChecked = jQuery("input[type='radio'][name='R1']").eq( 1 );
 	$radioParent = $radioChecked.parent();
 	$radioUnchecked = jQuery("<input type='radio' name='R1' checked='checked'/>").appendTo( $radioParent );
 	$radioChecked.trigger("click");
@@ -601,12 +601,12 @@ test( "replaceWith on XML document (#9960)", function() {
 		xmlDoc2 = jQuery.parseXML("<scxml xmlns='http://www.w3.org/2005/07/scxml' version='1.0'><state id='provisioning3'></state></scxml>"),
 		xml1 = jQuery( xmlDoc1 ),
 		xml2 = jQuery( xmlDoc2 ),
-		scxml1 = jQuery( ":first", xml1 ),
-		scxml2 = jQuery( ":first", xml2 );
+		scxml1 = jQuery( "scxml", xml1 ),
+		scxml2 = jQuery( "scxml", xml2 );
 
 	scxml1.replaceWith( scxml2 );
 
-	newNode = jQuery( ":first>state[id='provisioning3']", xml1 );
+	newNode = jQuery( "scxml>state[id='provisioning3']", xml1 );
 
 	equal( newNode.length, 1, "ReplaceWith not working on document nodes." );
 });
@@ -734,7 +734,6 @@ test( "appendTo(String|Element|Array<Element>|jQuery)", function() {
 	equal( jQuery("#first").text(), defaultText + "buga", "Check if text appending works" );
 	equal( jQuery("<option value='appendTest'>Append Test</option>").appendTo("#select3").parent().find("option:last-child").attr("value"), "appendTest", "Appending html options to select element" );
 
-	QUnit.reset();
 	l = jQuery("#first").children().length + 2;
 	jQuery("<strong>test</strong>");
 	jQuery("<strong>test</strong>");
@@ -748,7 +747,6 @@ test( "appendTo(String|Element|Array<Element>|jQuery)", function() {
 	jQuery( document.getElementById("first") ).appendTo("#sap");
 	equal( jQuery("#sap").text(), expected, "Check for appending of element" );
 
-	QUnit.reset();
 	expected = "This link has class=\"blog\": Simon Willison's WeblogTry them out:Yahoo";
 	jQuery([ document.getElementById("first"), document.getElementById("yahoo") ]).appendTo("#sap");
 	equal( jQuery("#sap").text(), expected, "Check for appending of array of elements" );
@@ -756,35 +754,29 @@ test( "appendTo(String|Element|Array<Element>|jQuery)", function() {
 	QUnit.reset();
 	ok( jQuery(document.createElement("script")).appendTo("body").length, "Make sure a disconnected script can be appended." );
 
-	QUnit.reset();
 	expected = "This link has class=\"blog\": Simon Willison's WeblogYahooTry them out:";
 	jQuery("#yahoo, #first").appendTo("#sap");
 	equal( jQuery("#sap").text(), expected, "Check for appending of jQuery object" );
 
-	QUnit.reset();
 	jQuery("#select1").appendTo("#foo");
 	t( "Append select", "#foo select", [ "select1" ] );
 
-	QUnit.reset();
 	div = jQuery("<div/>").on( "click", function() {
 		ok( true, "Running a cloned click." );
 	});
 	div.appendTo("#qunit-fixture, #moretests");
 
-	jQuery("#qunit-fixture div:last").trigger("click");
-	jQuery("#moretests div:last").trigger("click");
+	jQuery("#qunit-fixture div").last().trigger("click");
+	jQuery("#moretests div").last().trigger("click");
 
-	QUnit.reset();
 	div = jQuery("<div/>").appendTo("#qunit-fixture, #moretests");
 
 	equal( div.length, 2, "appendTo returns the inserted elements" );
 
 	div.addClass("test");
 
-	ok( jQuery("#qunit-fixture div:last").hasClass("test"), "appendTo element was modified after the insertion" );
-	ok( jQuery("#moretests div:last").hasClass("test"), "appendTo element was modified after the insertion" );
-
-	QUnit.reset();
+	ok( jQuery("#qunit-fixture div").last().hasClass("test"), "appendTo element was modified after the insertion" );
+	ok( jQuery("#moretests div").last().hasClass("test"), "appendTo element was modified after the insertion" );
 
 	div = jQuery("<div/>");
 	jQuery("<span>a</span><b>b</b>").filter("span").appendTo( div );
@@ -923,8 +915,8 @@ test( "prependTo(String|Element|Array<Element>|jQuery)", function() {
 	equal( jQuery("#sap").text(), expected, "Check for prepending of jQuery object" );
 
 	QUnit.reset();
-	jQuery("<select id='prependSelect1'></select>").prependTo("form:last");
-	jQuery("<select id='prependSelect2'><option>Test</option></select>").prependTo("form:last");
+	jQuery("<select id='prependSelect1'></select>").prependTo("#form");
+	jQuery("<select id='prependSelect2'><option>Test</option></select>").prependTo("#form");
 
 	t( "Prepend Select", "#prependSelect2, #prependSelect1", [ "prependSelect2", "prependSelect1" ] );
 });
@@ -1422,10 +1414,11 @@ test( "clone(form element) (Bug #3879, #6655)", function() {
 
 	expect( 5 );
 
-	var clone,
-		element = jQuery("<select><option>Foo</option><option selected>Bar</option></select>");
+	var clone, element;
 
-	equal( element.clone().find("option:selected").val(), element.find("option:selected").val(), "Selected option cloned correctly" );
+	element = jQuery("<select><option>Foo</option><option value='selected' selected>Bar</option></select>");
+
+	equal( element.clone().find("option").filter(function() { return this.selected; }).val(), "selected", "Selected option cloned correctly" );
 
 	element = jQuery("<input type='checkbox' value='foo'>").attr( "checked", "checked" );
 	clone = element.clone();
@@ -1433,9 +1426,6 @@ test( "clone(form element) (Bug #3879, #6655)", function() {
 	equal( clone.is(":checked"), element.is(":checked"), "Checked input cloned correctly" );
 	equal( clone[ 0 ].defaultValue, "foo", "Checked input defaultValue cloned correctly" );
 
-	// defaultChecked also gets set now due to setAttribute in attr, is this check still valid?
-	// equal( clone[0].defaultChecked, !jQuery.support.noCloneChecked, "Checked input defaultChecked cloned correctly" );
-
 	element = jQuery("<input type='text' value='foo'>");
 	clone = element.clone();
 	equal( clone[ 0 ].defaultValue, "foo", "Text input defaultValue cloned correctly" );
@@ -1550,7 +1540,7 @@ var testHtml = function( valueObj ) {
 	ok( tmp[ 8 ], "comment" );
 
 	actual = []; expected = [];
-	fixture.find("> div").html( valueObj("<b>test</b>") ).each(function() {
+	fixture.children("div").html( valueObj("<b>test</b>") ).each(function() {
 		expected.push("B");
 		actual.push( childNodeNames( this ) );
 	});
@@ -1656,7 +1646,6 @@ test( "html(Function) with incoming value", function() {
 		equal( null, null, "Make sure the incoming value is correct." );
 	}
 
-	j.find("b").removeData();
 	equal( j.html().replace( / xmlns="[^"]+"/g, "" ).toLowerCase(), "<b>bold</b>", "Check node,textnode,comment with html()" );
 
 	$div = jQuery("<div />");
@@ -1696,15 +1685,21 @@ test( "clone()/html() don't expose jQuery/Sizzle expandos (#12858)", function()
 	var $content = jQuery("<div><b><i>text</i></b></div>").appendTo("#qunit-fixture"),
 		expected = /^<b><i>text<\/i><\/b>$/i;
 
-	// Attach jQuery and Sizzle data (the latter by conducting a non-qSA search)
-	$content.find(":nth-child(1):lt(4)").data( "test", true );
+	// Attach jQuery and Sizzle data (the latter with a non-qSA nth-child)
+	try {
+		$content.find(":nth-child(1):lt(4)").data( "test", true );
+
+	// But don't break on a non-Sizzle build
+	} catch( e ) {
+		$content.find("*").data( "test", true );
+	}
 
 	ok( expected.test( $content.clone( false )[ 0 ].innerHTML ), "clone()" );
 	ok( expected.test( $content.html() ), "html()" );
 });
 
 var testRemove = function( method ) {
-	var first = jQuery("#ap").children(":first");
+	var first = jQuery("#ap").children().first();
 
 	first.data("foo", "bar");
 
@@ -1742,7 +1737,7 @@ test( "remove() event cleaning ", 1, function() {
 	var count, first, cleanUp;
 
 	count = 0;
-	first = jQuery("#ap").children(":first");
+	first = jQuery("#ap").children().first();
 	cleanUp = first.on( "click", function() {
 		count++;
 	}).remove().appendTo("#qunit-fixture").trigger("click");
@@ -1761,7 +1756,7 @@ test( "detach() event cleaning ", 1, function() {
 	var count, first, cleanUp;
 
 	count = 0;
-	first = jQuery("#ap").children(":first");
+	first = jQuery("#ap").children().first();
 	cleanUp = first.on( "click", function() {
 		count++;
 	}).detach().appendTo("#qunit-fixture").trigger("click");
@@ -2136,7 +2131,7 @@ test( "script evaluation (#11795)", function() {
 	scriptsOut = scriptsOut.add( scriptsOut.clone() ).appendTo( fixture.find("div") );
 	deepEqual( fixture.find("div script").get(), scriptsOut.get(), "Scripts cloned without reevaluation" );
 	fixture.append( scriptsOut.detach() );
-	deepEqual( fixture.find("> script").get(), scriptsOut.get(), "Scripts detached without reevaluation" );
+	deepEqual( fixture.children("script").get(), scriptsOut.get(), "Scripts detached without reevaluation" );
 	objGlobal.ok = isOk;
 });
 
diff --git a/test/unit/selector.js b/test/unit/selector.js
index 22d7305eb..0cfba2834 100644
--- a/test/unit/selector.js
+++ b/test/unit/selector.js
@@ -64,15 +64,20 @@ test("attributes - jQuery only", function() {
 });
 
 test("disconnected nodes", function() {
-	expect( 4 );
+	expect( 1 );
+
+	var $div = jQuery("<div/>");
+	equal( $div.is("div"), true, "Make sure .is('nodeName') works on disconnected nodes." );
+});
+
+test("disconnected nodes - jQuery only", function() {
+	expect( 3 );
+
 	var $opt = jQuery("<option></option>").attr("value", "whipit").appendTo("#qunit-fixture").detach();
 	equal( $opt.val(), "whipit", "option value" );
 	equal( $opt.is(":selected"), false, "unselected option" );
 	$opt.prop("selected", true);
 	equal( $opt.is(":selected"), true, "selected option" );
-
-	var $div = jQuery("<div/>");
-	equal( $div.is("div"), true, "Make sure .is('nodeName') works on disconnected nodes." );
 });
 
 test("jQuery only - broken", 1, function() {
@@ -83,7 +88,7 @@ test("jQuery only - broken", 1, function() {
 		// Sizzle.error will be called but no error will be seen in oldIE
 		jQuery.call( null, " <div/> " );
 	}, function( e ) {
-		return e.message.indexOf("Syntax error") >= 0;
+		return (/syntax.err/i).test( e.message );
 	}, "leading space invalid: $(' <div/> ')" );
 });
 
diff --git a/test/unit/serialize.js b/test/unit/serialize.js
index eff2a0086..63607a323 100644
--- a/test/unit/serialize.js
+++ b/test/unit/serialize.js
@@ -121,7 +121,7 @@ test("serialize()", function() {
 		"action=Test&radio2=on&check=on&hidden=&foo%5Bbar%5D=&name=name&search=search&email=dave%40jquery.com&number=43&select1=&select2=3&select3=1&select3=2&select5=3",
 		"Check form serialization as query string");
 
-	equal( jQuery("#form :input").serialize(),
+	equal( jQuery("input,select,textarea,button", "#form").serialize(),
 		"action=Test&radio2=on&check=on&hidden=&foo%5Bbar%5D=&name=name&search=search&email=dave%40jquery.com&number=43&select1=&select2=3&select3=1&select3=2&select5=3",
 		"Check input serialization as query string");
 
@@ -129,7 +129,7 @@ test("serialize()", function() {
 		"T3=%3F%0D%0AZ&H1=x&H2=&PWD=&T1=&T2=YES&My+Name=me&S1=abc&S3=YES&S4=",
 		"Check form serialization as query string");
 
-	equal( jQuery("#testForm :input").serialize(),
+	equal( jQuery("input,select,textarea,button", "#testForm").serialize(),
 		"T3=%3F%0D%0AZ&H1=x&H2=&PWD=&T1=&T2=YES&My+Name=me&S1=abc&S3=YES&S4=",
 		"Check input serialization as query string");
 
diff --git a/test/unit/traversing.js b/test/unit/traversing.js
index 087abdc37..48560dbf6 100644
--- a/test/unit/traversing.js
+++ b/test/unit/traversing.js
@@ -1,13 +1,20 @@
 module("traversing", { teardown: moduleTeardown });
 
 test( "find(String)", function() {
-	expect( 7 );
-	equal( "Yahoo", jQuery("#foo").find(".blogTest").text(), "Check for find" );
+	expect( 1 );
+	equal( jQuery("#foo").find(".blogTest").text(), "Yahoo", "Basic selector" );
+});
+
+test( "find(String) under non-elements", function() {
+	expect( 2 );
 
-	// using contents will get comments regular, text, and comment nodes
 	var j = jQuery("#nonnodes").contents();
 	equal( j.find("div").length, 0, "Check node,textnode,comment to find zero divs" );
 	equal( j.find("div").andSelf().length, 3, "Check node,textnode,comment to find zero divs, but preserves pushStack" );
+});
+
+test( "find(leading combinator)", function() {
+	expect( 4 );
 
 	deepEqual( jQuery("#qunit-fixture").find("> div").get(), q( "foo", "nothiddendiv", "moretests", "tabindex-tests", "liveHandlerOrder", "siblingTest", "fx-test-group" ), "find child elements" );
 	deepEqual( jQuery("#qunit-fixture").find("> #foo, > #moretests").get(), q( "foo", "moretests" ), "find child elements" );
@@ -42,7 +49,7 @@ test( "find(node|jQuery object)", function() {
 });
 
 test("is(String|undefined)", function() {
-	expect(30);
+	expect(23);
 	ok( jQuery("#form").is("form"), "Check for element: A form must be a form" );
 	ok( !jQuery("#form").is("div"), "Check for element: A form is not a div" );
 	ok( jQuery("#mark").is(".blog"), "Check for class: Expected class 'blog'" );
@@ -57,10 +64,6 @@ test("is(String|undefined)", function() {
 	ok( !jQuery("#text1").is(":disabled"), "Check for pseudoclass: Expected not disabled" );
 	ok( jQuery("#radio2").is(":checked"), "Check for pseudoclass: Expected to be checked" );
 	ok( !jQuery("#radio1").is(":checked"), "Check for pseudoclass: Expected not checked" );
-	ok( jQuery("#foo").is(":has(p)"), "Check for child: Expected a child 'p' element" );
-	ok( !jQuery("#foo").is(":has(ul)"), "Check for child: Did not expect 'ul' element" );
-	ok( jQuery("#foo").is(":has(p):has(a):has(code)"), "Check for childs: Expected 'p', 'a' and 'code' child elements" );
-	ok( !jQuery("#foo").is(":has(p):has(a):has(code):has(ol)"), "Check for childs: Expected 'p', 'a' and 'code' child elements, but no 'ol'" );
 
 	ok( !jQuery("#foo").is(0), "Expected false for an invalid expression - 0" );
 	ok( !jQuery("#foo").is(null), "Expected false for an invalid expression - null" );
@@ -73,15 +76,16 @@ test("is(String|undefined)", function() {
 	ok( jQuery("#en").is("[lang=\"de\"],[lang=\"en\"]"), "Comma-seperated; Check for lang attribute: Expect en or de" );
 	ok( jQuery("#en").is("[lang=\"en\"] , [lang=\"de\"]"), "Comma-seperated; Check for lang attribute: Expect en or de" );
 	ok( jQuery("#en").is("[lang=\"de\"] , [lang=\"en\"]"), "Comma-seperated; Check for lang attribute: Expect en or de" );
+});
 
-	ok( !jQuery(window).is("a"), "Checking is on a window does not throw an exception(#10178)" );
-	ok( !jQuery(document).is("a"), "Checking is on a document does not throw an exception(#10178)" );
-
-	ok( jQuery("#option1b").is("#select1 option:not(:first)"), "POS inside of :not() (#10970)" );
+test("is() against window|document (#10178)", function() {
+	expect(2);
+	ok( !jQuery(window).is("a"), "Checking is on a window does not throw an exception" );
+	ok( !jQuery(document).is("a"), "Checking is on a document does not throw an exception" );
 });
 
 test("is(jQuery)", function() {
-	expect(21);
+	expect(19);
 	ok( jQuery("#form").is( jQuery("form") ), "Check for element: A form is a form" );
 	ok( !jQuery("#form").is( jQuery("div") ), "Check for element: A form is not a div" );
 	ok( jQuery("#mark").is( jQuery(".blog") ), "Check for class: Expected class 'blog'" );
@@ -95,8 +99,6 @@ test("is(jQuery)", function() {
 	ok( !jQuery("#text1").is( jQuery("input:disabled") ), "Check for pseudoclass: Expected not disabled" );
 	ok( jQuery("#radio2").is( jQuery("input:checked") ), "Check for pseudoclass: Expected to be checked" );
 	ok( !jQuery("#radio1").is( jQuery("input:checked") ), "Check for pseudoclass: Expected not checked" );
-	ok( jQuery("#foo").is( jQuery("div:has(p)") ), "Check for child: Expected a child 'p' element" );
-	ok( !jQuery("#foo").is( jQuery("div:has(ul)") ), "Check for child: Did not expect 'ul' element" );
 
 	// Some raw elements
 	ok( jQuery("#form").is( jQuery("form")[0] ), "Check for element: A form is a form" );
@@ -107,12 +109,24 @@ test("is(jQuery)", function() {
 	ok( !jQuery("#simon").is( jQuery(".blogTest")[0] ), "Check for multiple classes: Expected classes 'blog' and 'link', but not 'blogTest'" );
 });
 
+test("is() with :has() selectors", function() {
+	expect(6);
+
+	ok( jQuery("#foo").is(":has(p)"), "Check for child: Expected a child 'p' element" );
+	ok( !jQuery("#foo").is(":has(ul)"), "Check for child: Did not expect 'ul' element" );
+	ok( jQuery("#foo").is(":has(p):has(a):has(code)"), "Check for childs: Expected 'p', 'a' and 'code' child elements" );
+	ok( !jQuery("#foo").is(":has(p):has(a):has(code):has(ol)"), "Check for childs: Expected 'p', 'a' and 'code' child elements, but no 'ol'" );
+
+	ok( jQuery("#foo").is( jQuery("div:has(p)") ), "Check for child: Expected a child 'p' element" );
+	ok( !jQuery("#foo").is( jQuery("div:has(ul)") ), "Check for child: Did not expect 'ul' element" );
+});
+
 test("is() with positional selectors", function() {
-	expect(23);
+	expect(24);
 
 	var html = jQuery(
 				"<p id='posp'><a class='firsta' href='#'><em>first</em></a><a class='seconda' href='#'><b>test</b></a><em></em></p>"
-			).appendTo( "body" ),
+			).appendTo( "#qunit-fixture" ),
 		isit = function(sel, match, expect) {
 			equal( jQuery( sel ).is( match ), expect, "jQuery('" + sel + "').is('" + match + "')" );
 		};
@@ -144,7 +158,7 @@ test("is() with positional selectors", function() {
 	isit( "#posp em", "#posp a em:last", true );
 	isit( "#posp em", "#posp a em:eq(2)", false );
 
-	html.remove();
+	ok( jQuery("#option1b").is("#select1 option:not(:first)"), "POS inside of :not() (#10970)" );
 });
 
 test("index()", function() {
@@ -175,15 +189,15 @@ test("index(Object|String|undefined)", function() {
 	// enabled since [5500]
 	equal( elements.index( elements ), 0, "Pass in a jQuery object" );
 	equal( elements.index( elements.eq(1) ), 1, "Pass in a jQuery object" );
-	equal( jQuery("#form :radio").index( jQuery("#radio2") ), 1, "Pass in a jQuery object" );
+	equal( jQuery("#form input[type='radio']").index( jQuery("#radio2") ), 1, "Pass in a jQuery object" );
 
 	// Passing a selector or nothing
 	// enabled since [6330]
 	equal( jQuery("#text2").index(), 2, "Check for index amongst siblings" );
 	equal( jQuery("#form").children().eq(4).index(), 4, "Check for index amongst siblings" );
-	equal( jQuery("#radio2").index("#form :radio") , 1, "Check for index within a selector" );
-	equal( jQuery("#form :radio").index( jQuery("#radio2") ), 1, "Check for index within a selector" );
-	equal( jQuery("#radio2").index("#form :text") , -1, "Check for index not found within a selector" );
+	equal( jQuery("#radio2").index("#form input[type='radio']") , 1, "Check for index within a selector" );
+	equal( jQuery("#form input[type='radio']").index( jQuery("#radio2") ), 1, "Check for index within a selector" );
+	equal( jQuery("#radio2").index("#form input[type='text']") , -1, "Check for index not found within a selector" );
 });
 
 test("filter(Selector|undefined)", function() {
@@ -247,7 +261,7 @@ test("filter() with positional selectors", function() {
 				"<b>test</b>" +
 			"</a>" +
 			"<em></em>" +
-		"</p>" ).appendTo( "body" ),
+		"</p>" ).appendTo( "#qunit-fixture" ),
 		filterit = function(sel, filter, length) {
 			equal( jQuery( sel ).filter( filter ).length, length, "jQuery( " + sel + " ).filter( " + filter + " )" );
 		};
@@ -275,11 +289,10 @@ test("filter() with positional selectors", function() {
 	filterit( "#posp .seconda", "#posp a:gt(0)", 0 );
 	filterit( "#posp .seconda", "#posp a:lt(5)", 1 );
 	filterit( "#posp .seconda", "#posp a:lt(1)", 1 );
-	html.remove();
 });
 
 test("closest()", function() {
-	expect( 15 );
+	expect( 13 );
 
 	var jq;
 
@@ -288,9 +301,6 @@ test("closest()", function() {
 	deepEqual( jQuery("body").closest("div").get(), [], "closest(div)" );
 	deepEqual( jQuery("#qunit-fixture").closest("span,#html").get(), q("html"), "closest(span,#html)" );
 
-	deepEqual( jQuery("#qunit-fixture").closest("div:first").get(), [], "closest(div:first)" );
-	deepEqual( jQuery("#qunit-fixture div").closest("body:first div:last").get(), q("fx-tests"), "closest(body:first div:last)" );
-
 	// Test .closest() limited by the context
 	jq = jQuery("#nothiddendivchild");
 	deepEqual( jq.closest("html", document.body).get(), [], "Context limited." );
@@ -313,6 +323,13 @@ test("closest()", function() {
 	deepEqual( jq.contents().closest("*").get(), jq.get(), "Text node input (#13332)" );
 });
 
+test("closest() with positional selectors", function() {
+	expect( 2 );
+
+	deepEqual( jQuery("#qunit-fixture").closest("div:first").get(), [], "closest(div:first)" );
+	deepEqual( jQuery("#qunit-fixture div").closest("body:first div:last").get(), q("fx-tests"), "closest(body:first div:last)" );
+});
+
 test("closest(jQuery)", function() {
 	expect(8);
 	var $child = jQuery("#nothiddendivchild"),
@@ -334,11 +351,6 @@ test("not(Selector|undefined)", function() {
 	equal( jQuery("#qunit-fixture > p#ap > a").not("#google").length, 2, "not('selector')" );
 	deepEqual( jQuery("p").not(".result").get(), q("firstp", "ap", "sndp", "en", "sap", "first"), "not('.class')" );
 	deepEqual( jQuery("p").not("#ap, #sndp, .result").get(), q("firstp", "en", "sap", "first"), "not('selector, selector')" );
-	deepEqual(
-		jQuery("#form option").not("option.emptyopt:contains('Nothing'),optgroup *,[value='1']").get(),
-		q("option1c", "option1d", "option2c", "option2d", "option3c", "option3d", "option3e", "option4d", "option4e", "option5a", "option5b"),
-		"not('complex selector')"
-	);
 
 	deepEqual( jQuery("#ap *").not("code").get(), q("google", "groups", "anchor1", "mark"), "not('tag selector')" );
 	deepEqual( jQuery("#ap *").not("code, #mark").get(), q("google", "groups", "anchor1"), "not('tag, ID selector')" );
@@ -349,6 +361,12 @@ test("not(Selector|undefined)", function() {
 	deepEqual( jQuery("p").not(undefined).get(), all, "not(undefined) should have no effect");
 	deepEqual( jQuery("p").not(0).get(),         all, "not(0) should have no effect");
 	deepEqual( jQuery("p").not("").get(),        all, "not('') should have no effect");
+
+	deepEqual(
+		jQuery("#form option").not("option.emptyopt:contains('Nothing'),optgroup *,[value='1']").get(),
+		q("option1c", "option1d", "option2c", "option2d", "option3c", "option3d", "option3e", "option4d", "option4e", "option5a", "option5b"),
+		"not('complex selector')"
+	);
 });
 
 test("not(Element)", function() {
@@ -435,11 +453,9 @@ test("addBack()", function() {
 });
 
 test("siblings([String])", function() {
-	expect(8);
+	expect(6);
 	deepEqual( jQuery("#en").siblings().get(), q("sndp", "sap"), "Check for siblings" );
 	deepEqual( jQuery("#nonnodes").contents().eq(1).siblings().get(), q("nonnodesElement"), "Check for text node siblings" );
-	deepEqual( jQuery("#sndp").siblings(":has(code)").get(), q("sap"), "Check for filtered siblings (has code child element)" );
-	deepEqual( jQuery("#sndp").siblings(":has(a)").get(), q("en", "sap"), "Check for filtered siblings (has anchor child element)" );
 	deepEqual( jQuery("#foo").siblings("form, b").get(), q("form", "floatTest", "lengthtest", "name-tests", "testForm"), "Check for multiple filters" );
 	var set = q("sndp", "en", "sap");
 	deepEqual( jQuery("#en, #sndp").siblings().get(), set, "Check for unique results from siblings" );
@@ -447,13 +463,23 @@ test("siblings([String])", function() {
 	equal( jQuery("<a/>").siblings().length, 0, "Detached elements have no siblings (#11370)" );
 });
 
+test("siblings([String]) - jQuery only", function() {
+	expect(2);
+	deepEqual( jQuery("#sndp").siblings(":has(code)").get(), q("sap"), "Check for filtered siblings (has code child element)" );
+	deepEqual( jQuery("#sndp").siblings(":has(a)").get(), q("en", "sap"), "Check for filtered siblings (has anchor child element)" );
+});
+
 test("children([String])", function() {
-	expect(3);
+	expect(2);
 	deepEqual( jQuery("#foo").children().get(), q("sndp", "en", "sap"), "Check for children" );
-	deepEqual( jQuery("#foo").children(":has(code)").get(), q("sndp", "sap"), "Check for filtered children" );
 	deepEqual( jQuery("#foo").children("#en, #sap").get(), q("en", "sap"), "Check for multiple filters" );
 });
 
+test("children([String]) - jQuery only", function() {
+	expect(1);
+	deepEqual( jQuery("#foo").children(":has(code)").get(), q("sndp", "sap"), "Check for filtered children" );
+});
+
 test("parent([String])", function() {
 	expect(6);
 
@@ -486,7 +512,7 @@ test("parentsUntil([String])", function() {
 
 	deepEqual( jQuery("#groups").parentsUntil().get(), parents.get(), "parentsUntil with no selector (nextAll)" );
 	deepEqual( jQuery("#groups").parentsUntil(".foo").get(), parents.get(), "parentsUntil with invalid selector (nextAll)" );
-	deepEqual( jQuery("#groups").parentsUntil("#html").get(), parents.not(":last").get(), "Simple parentsUntil check" );
+	deepEqual( jQuery("#groups").parentsUntil("#html").get(), parents.slice(0, -1).get(), "Simple parentsUntil check" );
 	equal( jQuery("#groups").parentsUntil("#ap").length, 0, "Simple parentsUntil check" );
 	deepEqual( jQuery("#nonnodes").contents().eq(1).parentsUntil("#html").eq(0).get(), q("nonnodes"), "Text node parentsUntil check" );
 	deepEqual( jQuery("#groups").parentsUntil("#html, #body").get(), parents.slice( 0, 3 ).get(), "Less simple parentsUntil check" );
@@ -520,11 +546,11 @@ test("nextAll([String])", function() {
 
 	var elems = jQuery("#form").children();
 
-	deepEqual( jQuery("#label-for").nextAll().get(), elems.not(":first").get(), "Simple nextAll check" );
+	deepEqual( jQuery("#label-for").nextAll().get(), elems.slice(1).get(), "Simple nextAll check" );
 	equal( jQuery("<div>text<a id='element'></a></div>").contents().eq(0).nextAll().attr("id"), "element", "Text node nextAll check" );
-	deepEqual( jQuery("#label-for").nextAll("input").get(), elems.not(":first").filter("input").get(), "Filtered nextAll check" );
-	deepEqual( jQuery("#label-for").nextAll("input,select").get(), elems.not(":first").filter("input,select").get(), "Multiple-filtered nextAll check" );
-	deepEqual( jQuery("#label-for, #hidden1").nextAll("input,select").get(), elems.not(":first").filter("input,select").get(), "Multi-source, multiple-filtered nextAll check" );
+	deepEqual( jQuery("#label-for").nextAll("input").get(), elems.slice(1).filter("input").get(), "Filtered nextAll check" );
+	deepEqual( jQuery("#label-for").nextAll("input,select").get(), elems.slice(1).filter("input,select").get(), "Multiple-filtered nextAll check" );
+	deepEqual( jQuery("#label-for, #hidden1").nextAll("input,select").get(), elems.slice(1).filter("input,select").get(), "Multi-source, multiple-filtered nextAll check" );
 });
 
 test("prevAll([String])", function() {
@@ -567,14 +593,14 @@ test("prevUntil([String])", function() {
 	deepEqual( jQuery("#area1").prevUntil().get(), elems.get(), "prevUntil with no selector (prevAll)" );
 	deepEqual( jQuery("#nonnodes").contents().eq(1).prevUntil().get(), q("nonnodesElement"), "Text node prevUntil with no selector (prevAll)" );
 	deepEqual( jQuery("#area1").prevUntil(".foo").get(), elems.get(), "prevUntil with invalid selector (prevAll)" );
-	deepEqual( jQuery("#area1").prevUntil("label").get(), elems.not(":last").get(), "Simple prevUntil check" );
+	deepEqual( jQuery("#area1").prevUntil("label").get(), elems.slice(0, -1).get(), "Simple prevUntil check" );
 	equal( jQuery("#area1").prevUntil("#button").length, 0, "Simple prevUntil check" );
 	deepEqual( jQuery("#area1").prevUntil("label, #search").get(), jQuery("#area1").prev().get(), "Less simple prevUntil check" );
-	deepEqual( jQuery("#area1").prevUntil("label", "input").get(), elems.not(":last").not("button").get(), "Filtered prevUntil check" );
-	deepEqual( jQuery("#area1").prevUntil("label", "button").get(), elems.not(":last").not("input").get(), "Filtered prevUntil check" );
-	deepEqual( jQuery("#area1").prevUntil("label", "button,input").get(), elems.not(":last").get(), "Multiple-filtered prevUntil check" );
+	deepEqual( jQuery("#area1").prevUntil("label", "input").get(), elems.slice(0, -1).not("button").get(), "Filtered prevUntil check" );
+	deepEqual( jQuery("#area1").prevUntil("label", "button").get(), elems.slice(0, -1).not("input").get(), "Filtered prevUntil check" );
+	deepEqual( jQuery("#area1").prevUntil("label", "button,input").get(), elems.slice(0, -1).get(), "Multiple-filtered prevUntil check" );
 	equal( jQuery("#area1").prevUntil("label", "div").length, 0, "Filtered prevUntil check, no match" );
-	deepEqual( jQuery("#area1, #hidden1").prevUntil("label", "button,input").get(), elems.not(":last").get(), "Multi-source, multiple-filtered prevUntil check" );
+	deepEqual( jQuery("#area1, #hidden1").prevUntil("label", "button,input").get(), elems.slice(0, -1).get(), "Multi-source, multiple-filtered prevUntil check" );
 });
 
 test("contents()", function() {
@@ -589,12 +615,12 @@ test("contents()", function() {
 	jQuery(ibody).append("<div>init text</div>");
 	equal( jQuery("div", ibody).length, 2, "Check the original div and the new div are in IFrame" );
 
-	equal( jQuery("div:last", ibody).text(), "init text", "Add text to div in IFrame" );
+	equal( jQuery("div", ibody).last().text(), "init text", "Add text to div in IFrame" );
 
-	jQuery("div:last", ibody).text("div text");
-	equal( jQuery("div:last", ibody).text(), "div text", "Add text to div in IFrame" );
+	jQuery("div", ibody).last().text("div text");
+	equal( jQuery("div", ibody).last().text(), "div text", "Add text to div in IFrame" );
 
-	jQuery("div:last", ibody).remove();
+	jQuery("div", ibody).last().remove();
 	equal( jQuery("div", ibody).length, 1, "Delete the div and check only one div left in IFrame" );
 
 	equal( jQuery("div", ibody).text(), "span text", "Make sure the correct div is still left after deletion in IFrame" );
@@ -680,9 +706,9 @@ test("eq('-1') #10616", function() {
 test("index(no arg) #10977", function() {
 	expect(2);
 
-	var $list = jQuery("<ul id='indextest'><li>THIS ONE</li><li class='one'>a</li><li class='two'>b</li><li class='three'>c</li></ul>");
+	var $list = jQuery("<ul id='indextest'><li class='zero'>THIS ONE</li><li class='one'>a</li><li class='two'>b</li><li class='three'>c</li></ul>");
 	jQuery("#qunit-fixture").append( $list );
-	strictEqual ( jQuery( "#indextest li:not(.one,.two)" ).index() , 0, "No Argument Index Check" );
+	strictEqual ( jQuery( "#indextest li.zero" ).first().index() , 0, "No Argument Index Check" );
 	$list.remove();
 
 	var fragment = document.createDocumentFragment(),