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tests for #2132

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Pierre-Yves Gérardy 2018-04-21 22:15:51 +02:00 • committed by Pierre-Yves Gérardy
parent 9490950c30
commit 878e4958dc
1 changed files with 32 additions and 0 deletions
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32
render/tests/test-updateNodes.js
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@ -614,6 +614,38 @@ o.spec("updateNodes", function() {
o(updated[0].dom.nodeName).equals("I") o(updated[0].dom.nodeName).equals("I")
o(updated[0].dom).equals(root.childNodes[0]) o(updated[0].dom).equals(root.childNodes[0])
}) })
o("cached keyed nodes move when the list is reversed", function(){
var a = {tag: "a", key: "a"}
var b = {tag: "b", key: "b"}
var c = {tag: "c", key: "c"}
var d = {tag: "d", key: "d"}
render(root, [a, b, c, d])
render(root, [d, c, b, a])
o(root.childNodes.length).equals(4)
o(root.childNodes[0].nodeName).equals("D")
o(root.childNodes[1].nodeName).equals("C")
o(root.childNodes[2].nodeName).equals("B")
o(root.childNodes[3].nodeName).equals("A")
})
o("cached keyed nodes move when diffed via the map", function() {
var onupdate = o.spy()
var a = {tag: "a", key: "a", attrs: {onupdate: onupdate}}
var b = {tag: "b", key: "b", attrs: {onupdate: onupdate}}
var c = {tag: "c", key: "c", attrs: {onupdate: onupdate}}
var d = {tag: "d", key: "d", attrs: {onupdate: onupdate}}
render(root, [a, b, c, d])
render(root, [b, d, a, c])
o(root.childNodes.length).equals(4)
o(root.childNodes[0].nodeName).equals("B")
o(root.childNodes[1].nodeName).equals("D")
o(root.childNodes[2].nodeName).equals("A")
o(root.childNodes[3].nodeName).equals("C")
o(onupdate.callCount).equals(0)
})
o("removes then create different bigger", function() { o("removes then create different bigger", function() {
var vnodes = [{tag: "a", key: 1}, {tag: "b", key: 2}] var vnodes = [{tag: "a", key: 1}, {tag: "b", key: 2}]
var temp = [] var temp = []