Update Sizzle and add tests from the Sizzle suite that require jQuery for the...

Update Sizzle and add tests from the Sizzle suite that require jQuery for the selection to jquery/test/unit/selector.js

sizzle @ 5e4e7551

-Subproject commit feebbd7e053bff426444c7b348c776c99c7490ee
+Subproject commit 5e4e75511d1238a8924dace6982401ab0c253202

test/unit/selector.js

 /**
- * This test page is for selector tests that address selector issues that have already been addressed in jQuery functions
- *   and which only work because jQuery has hooked into Sizzle.
- * These tests may or may not fail in an independent Sizzle.
+ * This test page is for selector tests that require jQuery in order to do the selection
  */
 
 module("selector - jQuery only", { teardown: moduleTeardown });
 
+test("element - jQuery only", function() {
+	expect( 5 );
+
+	deepEqual( jQuery("p", document.getElementsByTagName("div")).get(), q("firstp","ap","sndp","en","sap","first"), "Finding elements with a context." );
+	deepEqual( jQuery("p", "div").get(), q("firstp","ap","sndp","en","sap","first"), "Finding elements with a context." );
+	deepEqual( jQuery("p", jQuery("div")).get(), q("firstp","ap","sndp","en","sap","first"), "Finding elements with a context." );
+	deepEqual( jQuery("div").find("p").get(), q("firstp","ap","sndp","en","sap","first"), "Finding elements with a context." );
+
+	//#7533
+	equal( jQuery("<div id=\"A'B~C.D[E]\"><p>foo</p></div>").find("p").length, 1, "Find where context root is a node and has an ID with CSS3 meta characters" );
+});
+
+test("class - jQuery only", function() {
+	expect( 4 );
+
+	deepEqual( jQuery(".blog", document.getElementsByTagName("p")).get(), q("mark", "simon"), "Finding elements with a context." );
+	deepEqual( jQuery(".blog", "p").get(), q("mark", "simon"), "Finding elements with a context." );
+	deepEqual( jQuery(".blog", jQuery("p")).get(), q("mark", "simon"), "Finding elements with a context." );
+	deepEqual( jQuery("p").find(".blog").get(), q("mark", "simon"), "Finding elements with a context." );
+});
+
+test("pseudo - visibility", function() {
+	expect(9);
+
+	t( "Is Visible", "div:visible:not(#qunit-testrunner-toolbar):lt(2)", ["nothiddendiv", "nothiddendivchild"] );
+	t( "Is Not Hidden", "#qunit-fixture:hidden", [] );
+	t( "Is Hidden", "#form input:hidden", ["hidden1","hidden2"] );
+
+	var $div = jQuery('<div/>').appendTo("body");
+	$div.css({ fontSize: 0, lineHeight: 0 });// IE also needs to set font-size and line-height to 0
+	$div.width(1).height(0);
+	t( "Is Visible", '#nothiddendivchild:visible', ['nothiddendivchild'] );
+	t( "Is Not Visible", '#nothiddendivchild:hidden', [] );
+	$div.width(0).height(1);
+	t( "Is Visible", '#nothiddendivchild:visible', ['nothiddendivchild'] );
+	t( "Is Not Visible", '#nothiddendivchild:hidden', [] );
+	$div.width(1).height(1);
+	t( "Is Visible", '#nothiddendivchild:visible', ['nothiddendivchild'] );
+	t( "Is Not Visible", '#nothiddendivchild:hidden', [] );
+	$div.remove();
+});
+
+test("disconnected nodes", function() {
+	expect(4);
+	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.attr("selected", true);
+	equal( $opt.is(":selected"), true, "selected option" );
+
+	var $div = jQuery( '<div/>' );
+	equal( $div.is("div"), true, "Make sure .is('nodeName') works on disconnect nodes." );
+});
+
 testIframe("selector/html5_selector", "attributes - jQuery.attr", function( jQuery, window, document ) {
 	expect(34);