, /*Widget*/ right){
				// summary:
				//		Test that "left" widget is to left of "right" widget

				var lp = domGeom.position(left.domNode, true),
					rp = domGeom.position(right.domNode, true);

				doh.t(lp.x+lp.w <= rp.x,
					"check " + left.id + "( " + json.stringify(lp) + " ) to left of " + right.id + "( " +
							json.stringify(rp) + " )");
			}

			doh.register("parse", function(){
				return parser.parse();
			});

			doh.register("LayoutContainer", [
				function basic(){
					var lc = regist