OO-ize DOM builder, improve performance (part 1), add benchmarking suite

bench/resources/tests.js

@@ -0,0 +1,51 @@
+(function (global) {
+	"use strict"
+
+	var BenchmarkTestStep = global.BenchmarkTestStep
+	var Suites = global.Suites = []
+
+	Suites.push(function (numberOfItemsToAdd) {
+		return {
+			name: "Mithril (TodoMVC 1.3)",
+			url: "app/index.html",
+			version: "next (dev version)",
+			prepare: function (runner) {
+				return runner.waitForElement("#new-todo")
+				.then(function (element) {
+					element.focus()
+					return element
+				})
+			},
+			tests: [
+				new BenchmarkTestStep("Adding" + numberOfItemsToAdd + "Items",
+				function (newTodo) {
+					for (var i = 0; i < numberOfItemsToAdd; i++) {
+						var inputEvent = document.createEvent("Event")
+						inputEvent.initEvent("input", true, true)
+						newTodo.value = "Mithril ------- Something to do " + i
+						newTodo.dispatchEvent(inputEvent)
+
+						var keydownEvent = document.createEvent("Event")
+						keydownEvent.initEvent("keyup", true, true)
+						keydownEvent.keyCode = 13 // VK_ENTER
+						newTodo.dispatchEvent(keydownEvent)
+					}
+				}),
+				new BenchmarkTestStep("CompletingAllItems",
+				function (newTodo, contentWindow, document) {
+					var checkboxes = document.getElementsByClassName("toggle")
+					for (var i = 0; i < checkboxes.length; i++) {
+						checkboxes[i].click()
+					}
+				}),
+				new BenchmarkTestStep("DeletingAllItems",
+				function (newTodo, contentWindow, document) {
+					var buttons = document.getElementsByClassName("destroy")
+					for (var i = buttons.length - 1; i > -1; i--) {
+						buttons[i].click()
+					}
+				})
+			]
+		}
+	})
+})(this)