Adds unit/support.js to unit tests. Still have to test for #8763 has to be done in its own file however, since Firefox refuses to notify global errors in the iframe (attachEvent, window.onerror and script.onerror all fail).

test/unit/support.js

@@ -0,0 +1,32 @@
+module("support", { teardown: moduleTeardown });
+
+function supportIFrameTest( title, url, noDisplay, func ) {
+
+	if ( noDisplay !== true ) {
+		func = noDisplay;
+		noDisplay = false;
+	}
+
+	test( title, function() {
+		var iframe;
+
+		stop();
+		window.supportCallback = function() {
+			var self = this,
+				args = arguments;
+			setTimeout( function() {
+				window.supportCallback = undefined;
+				iframe.remove();
+				func.apply( self, args );
+				start();
+			}, 0 );
+		};
+		iframe = jQuery( "<div/>" ).css( "display", noDisplay ? "none" : "block" ).append(
+				jQuery( "<iframe/>" ).attr( "src", "data/support/" + url + ".html" )
+			).appendTo( "body" );
+	});
+}
+
+supportIFrameTest( "proper boxModel in compatMode CSS1Compat (IE6 and IE7)", "boxModelIE", function( compatMode, boxModel ) {
+	ok( compatMode !== "CSS1Compat" || boxModel, "boxModel properly detected" );
+});