322 lines
8.4 KiB
JavaScript
322 lines
8.4 KiB
JavaScript
"use strict"
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var o = require("ospec")
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var domMock = require("../../test-utils/domMock")
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var vdom = require("../../render/render")
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var m = require("../../render/hyperscript")
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o.spec("updateElement", function() {
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var $window, root, render
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o.beforeEach(function() {
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$window = domMock()
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root = $window.document.createElement("div")
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render = vdom($window)
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})
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o("updates attr", function() {
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var vnode = m("a", {id: "b"})
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var updated = m("a", {id: "c"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(vnode.dom)
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o(updated.dom).equals(root.firstChild)
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o(updated.dom.attributes["id"].value).equals("c")
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})
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o("adds attr", function() {
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var vnode = m("a", {id: "b"})
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var updated = m("a", {id: "c", title: "d"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(vnode.dom)
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o(updated.dom).equals(root.firstChild)
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o(updated.dom.attributes["title"].value).equals("d")
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})
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o("adds attr from empty attrs", function() {
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var vnode = m("a")
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var updated = m("a", {title: "d"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(vnode.dom)
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o(updated.dom).equals(root.firstChild)
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o(updated.dom.attributes["title"].value).equals("d")
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})
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o("removes attr", function() {
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var vnode = m("a", {id: "b", title: "d"})
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var updated = m("a", {id: "c"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(vnode.dom)
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o(updated.dom).equals(root.firstChild)
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o("title" in updated.dom.attributes).equals(false)
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})
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o("removes class", function() {
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var vnode = m("a", {id: "b", className: "d"})
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var updated = m("a", {id: "c"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(vnode.dom)
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o(updated.dom).equals(root.firstChild)
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o("class" in updated.dom.attributes).equals(false)
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})
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o("creates style object", function() {
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var vnode = m("a")
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var updated = m("a", {style: {backgroundColor: "green"}})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("creates style string", function() {
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var vnode = m("a")
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var updated = m("a", {style: "background-color:green"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("updates style from object to object", function() {
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var vnode = m("a", {style: {backgroundColor: "red"}})
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var updated = m("a", {style: {backgroundColor: "green"}})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("updates style from object to string", function() {
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var vnode = m("a", {style: {backgroundColor: "red"}})
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var updated = m("a", {style: "background-color:green;"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("handles noop style change when style is string", function() {
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var vnode = m("a", {style: "background-color:green;"})
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var updated = m("a", {style: "background-color:green;"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("handles noop style change when style is object", function() {
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var vnode = m("a", {style: {backgroundColor: "red"}})
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var updated = m("a", {style: {backgroundColor: "red"}})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("red")
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})
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o("updates style from string to object", function() {
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var vnode = m("a", {style: "background-color:red;"})
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var updated = m("a", {style: {backgroundColor: "green"}})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("updates style from string to string", function() {
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var vnode = m("a", {style: "background-color:red;"})
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var updated = m("a", {style: "background-color:green;"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("green")
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})
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o("removes style from object to object", function() {
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var vnode = m("a", {style: {backgroundColor: "red", border: "1px solid red"}})
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var updated = m("a", {style: {backgroundColor: "red"}})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("red")
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o(updated.dom.style.border).equals("")
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})
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o("removes style from string to object", function() {
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var vnode = m("a", {style: "background-color:red;border:1px solid red"})
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var updated = m("a", {style: {backgroundColor: "red"}})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("red")
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o(updated.dom.style.border).notEquals("1px solid red")
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})
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o("removes style from object to string", function() {
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var vnode = m("a", {style: {backgroundColor: "red", border: "1px solid red"}})
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var updated = m("a", {style: "background-color:red"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("red")
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o(updated.dom.style.border).equals("")
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})
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o("removes style from string to string", function() {
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var vnode = m("a", {style: "background-color:red;border:1px solid red"})
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var updated = m("a", {style: "background-color:red"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.style.backgroundColor).equals("red")
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o(updated.dom.style.border).equals("")
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})
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o("does not re-render element styles for equivalent style objects", function() {
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var style = {color: "gold"}
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var vnode = m("a", {style: style})
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render(root, vnode)
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root.firstChild.style.color = "red"
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style = {color: "gold"}
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var updated = m("a", {style: style})
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render(root, updated)
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o(updated.dom.style.color).equals("red")
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})
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o("setting style to `null` removes all styles", function() {
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var vnode = m("p", {style: "background-color: red"})
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var updated = m("p", {style: null})
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render(root, vnode)
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o("style" in vnode.dom.attributes).equals(true)
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o(vnode.dom.attributes.style.value).equals("background-color: red;")
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render(root, updated)
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//browsers disagree here
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try {
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o(updated.dom.attributes.style.value).equals("")
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} catch (e) {
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o("style" in updated.dom.attributes).equals(false)
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}
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})
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o("setting style to `undefined` removes all styles", function() {
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var vnode = m("p", {style: "background-color: red"})
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var updated = m("p", {style: undefined})
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render(root, vnode)
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o("style" in vnode.dom.attributes).equals(true)
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o(vnode.dom.attributes.style.value).equals("background-color: red;")
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render(root, updated)
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//browsers disagree here
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try {
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o(updated.dom.attributes.style.value).equals("")
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} catch (e) {
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o("style" in updated.dom.attributes).equals(false)
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}
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})
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o("not setting style removes all styles", function() {
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var vnode = m("p", {style: "background-color: red"})
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var updated = m("p")
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render(root, vnode)
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o("style" in vnode.dom.attributes).equals(true)
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o(vnode.dom.attributes.style.value).equals("background-color: red;")
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render(root, updated)
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//browsers disagree here
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try {
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o(updated.dom.attributes.style.value).equals("")
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} catch (e) {
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o("style" in updated.dom.attributes).equals(false)
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}
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})
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o("replaces el", function() {
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var vnode = m("a")
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var updated = m("b")
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(root.firstChild)
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o(updated.dom.nodeName).equals("B")
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})
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o("updates svg class", function() {
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var vnode = m("svg", {className: "a"})
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var updated = m("svg", {className: "b"})
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render(root, vnode)
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render(root, updated)
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o(updated.dom.attributes["class"].value).equals("b")
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})
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o("updates svg child", function() {
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var vnode = m("svg", m("circle"))
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var updated = m("svg", m("line"))
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render(root, vnode)
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render(root, updated)
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o(updated.dom.firstChild.namespaceURI).equals("http://www.w3.org/2000/svg")
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})
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o("doesn't restore since we're not recycling", function() {
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var vnode = m("div", {key: 1})
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var updated = m("div", {key: 2})
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render(root, vnode)
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var a = vnode.dom
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render(root, updated)
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render(root, vnode)
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var c = vnode.dom
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o(root.childNodes.length).equals(1)
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o(a).notEquals(c) // this used to be a recycling pool test
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})
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o("doesn't restore since we're not recycling (via map)", function() {
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var a = m("div", {key: 1})
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var b = m("div", {key: 2})
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var c = m("div", {key: 3})
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var d = m("div", {key: 4})
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var e = m("div", {key: 5})
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var f = m("div", {key: 6})
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render(root, [a, b, c])
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var x = root.childNodes[1]
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render(root, d)
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render(root, [e, b, f])
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var y = root.childNodes[1]
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o(root.childNodes.length).equals(3)
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o(x).notEquals(y) // this used to be a recycling pool test
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})
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})
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