fix diff bugs when there are null components in list

This commit is contained in:
Leo Horie 2016-07-15 00:28:01 -04:00
parent 7227cc546f
commit 276184484d
4 changed files with 100 additions and 31 deletions

View file

@ -813,4 +813,36 @@ o.spec("updateNodes", function() {
o(root.childNodes[0].nodeName).equals("A")
o(root.childNodes[1].nodeName).equals("B")
})
o("fragment child toggles from null when followed by null component then tag", function() {
var component = {view: function() {return null}}
var vnodes = [{tag: "[", children: [{tag: "a"}, {tag: component}, {tag: "b"}]}]
var temp = [{tag: "[", children: [null, {tag: component}, {tag: "b"}]}]
var updated = [{tag: "[", children: [{tag: "a"}, {tag: component}, {tag: "b"}]}]
render(root, vnodes)
render(root, temp)
render(root, updated)
o(root.childNodes.length).equals(2)
o(root.childNodes[0].nodeName).equals("A")
o(root.childNodes[1].nodeName).equals("B")
})
o("fragment child toggles from null in component when followed by null component then tag", function() {
var flag = true
var a = {view: function() {return flag ? {tag: "a"} : null}}
var b = {view: function() {return null}}
var vnodes = [{tag: "[", children: [{tag: a}, {tag: b}, {tag: "s"}]}]
var temp = [{tag: "[", children: [{tag: a}, {tag: b}, {tag: "s"}]}]
var updated = [{tag: "[", children: [{tag: a}, {tag: b}, {tag: "s"}]}]
render(root, vnodes)
flag = false
render(root, temp)
flag = true
render(root, updated)
o(root.childNodes.length).equals(2)
o(root.childNodes[0].nodeName).equals("A")
o(root.childNodes[1].nodeName).equals("S")
})
})