Auto merge of #13081 - hsinewu:nodelist-iterable, r=Ms2ger

make nodeList iterable

<!-- Please describe your changes on the following line: -->
Not sure what to test in the script.
Need some advice. o_O

---
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #13021 (github issue number if applicable).

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- [X] There are tests for these changes

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This commit is contained in:
bors-servo 2016-09-05 09:45:24 -05:00 committed by GitHub
commit 1901a21a2c
3 changed files with 44 additions and 1 deletions

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@ -12,5 +12,5 @@ interface NodeList {
getter Node? item(unsigned long index);
[Pure]
readonly attribute unsigned long length;
// iterable<Node>;
iterable<Node?>;
};

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@ -37215,6 +37215,12 @@
"deleted_reftests": {},
"items": {
"testharness": {
"dom/nodes/NodeList-Iterable.html": [
{
"path": "dom/nodes/NodeList-Iterable.html",
"url": "/dom/nodes/NodeList-Iterable.html"
}
],
"html/semantics/forms/the-option-element/option-form.html": [
{
"path": "html/semantics/forms/the-option-element/option-form.html",

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@ -0,0 +1,37 @@
<!doctype html>
<meta charset="utf-8">
<title>NodeList Iterable Test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<p id="1"></p>
<p id="2"></p>
<p id="3"></p>
<p id="4"></p>
<p id="5"></p>
<script>
var paragraphs;
setup(function() {
paragraphs = document.querySelectorAll('p');
})
test(function() {
assert_true('length' in paragraphs);
}, 'NodeList has length method.');
test(function() {
assert_true('values' in paragraphs);
}, 'NodeList has values method.');
test(function() {
assert_true('entries' in paragraphs);
}, 'NodeList has entries method.');
test(function() {
assert_true('forEach' in paragraphs);
}, 'NodeList has forEach method.');
test(function() {
assert_true(Symbol.iterator in paragraphs);
}, 'NodeList has Symbol.iterator.');
test(function() {
var ids = "12345", idx=0;
for(var node of paragraphs){
assert_equals(node.getAttribute('id'), ids[idx++]);
}
}, 'NodeList is iterable via for-of loop.');
</script>