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tests for #2128

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Pierre-Yves Gérardy 2018-04-20 18:39:45 +02:00 • committed by Pierre-Yves Gérardy
parent 9136585fe4
commit dd6ceca31d
1 changed files with 39 additions and 0 deletions
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39
render/tests/test-updateNodes.js
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@ -1035,6 +1035,32 @@ o.spec("updateNodes", function() {
o(onremove.callCount).equals(1)
o(onupdate.callCount).equals(0)
})
o("supports changing the element of a keyed element in a list when traversed bottom-up", function() {
try {
render(root, [{tag: "a", key: 2}])
render(root, [{tag: "b", key: 1}, {tag: "b", key: 2}])
o(root.childNodes.length).equals(2)
o(root.childNodes[0].nodeName).equals("B")
o(root.childNodes[1].nodeName).equals("B")
} catch (e) {
o(e).equals(null)
}
})
o("supports changing the element of a keyed element in a list when looking up nodes using the map", function() {
try {
render(root, [{tag: "x", key: 1}, {tag: "y", key: 2}, {tag: "z", key: 3}])
render(root, [{tag: "b", key: 2}, {tag: "c", key: 1}, {tag: "d", key: 4}, {tag: "e", key: 3}])
o(root.childNodes.length).equals(4)
o(root.childNodes[0].nodeName).equals("B")
o(root.childNodes[1].nodeName).equals("C")
o(root.childNodes[2].nodeName).equals("D")
o(root.childNodes[3].nodeName).equals("E")
} catch (e) {
o(e).equals(null)
}
})
o("don't fetch the nextSibling from the pool", function() {
render(root, [{tag: "[", children: [{tag: "div", key: 1}, {tag: "div", key: 2}]}, {tag: "p"}])
render(root, [{tag: "[", children: []}, {tag: "p"}])
@ -1078,6 +1104,19 @@ o.spec("updateNodes", function() {
o(root.childNodes[0].nodeName).equals("A")
o(root.childNodes[1].nodeName).equals("S")
})
o("removing a component that returns a fragment doesn't throw (regression test for incidental bug introduced while debugging some Flems)", function() {
var component = createComponent({
view: function() {return {tag: "[", children:[{tag: "a"}, {tag: "b"}]}}
})
try {
render(root, [{tag: component}])
render(root, [])
o(root.childNodes.length).equals(0)
} catch (e) {
o(e).equals(null)
}
})
})
})
})