Auto merge of #13396 - jdm:FormData_iterable, r=jdm

Added FormData Iterable

Implement FormData's iterator
Rebased from #13104.

- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #13020
- [X] There are tests for these changes (It adds `./mach test-wpt tests/wpt/web-platform-tests/XMLHttpRequest/formdata-foreach.html`)

Notice: Our `FormData` is implemented by `HashMap` ,  which is different from [Gecko's array implementation](3c6ff93c8f/dom/base/FormData.h (L160)). So our `FormData`'s iterator order is different from Gecko's, as there is no way to keep our key's original insertion order.

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/13396)
<!-- Reviewable:end -->
This commit is contained in:
bors-servo 2016-09-24 03:54:18 -05:00 committed by GitHub
commit 89804bb251
5 changed files with 116 additions and 9 deletions

View file

@ -12837,6 +12837,10 @@
"path": "XMLHttpRequest/formdata-delete.htm",
"url": "/XMLHttpRequest/formdata-delete.htm"
},
{
"path": "XMLHttpRequest/formdata-foreach.html",
"url": "/XMLHttpRequest/formdata-foreach.html"
},
{
"path": "XMLHttpRequest/formdata-get.htm",
"url": "/XMLHttpRequest/formdata-get.htm"

View file

@ -0,0 +1,13 @@
[formdata-foreach.html]
type: testharness
[Iterator should return duplicate keys and non-deleted values]
expected: FAIL
[Entries iterator should return duplicate keys and non-deleted values]
expected: FAIL
[Keys iterator should return duplicates]
expected: FAIL
[Values iterator should return non-deleted values]
expected: FAIL

View file

@ -0,0 +1,59 @@
<!doctype html>
<html lang=en>
<meta charset=utf-8>
<title>FormData: foreach</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://xhr.spec.whatwg.org/#interface-formdata" />
<script>
var fd = new FormData();
fd.append('n1', 'v1');
fd.append('n2', 'v2');
fd.append('n3', 'v3');
fd.append('n1', 'v4');
fd.append('n2', 'v5');
fd.append('n3', 'v6');
fd.delete('n2');
var expected_keys = ['n1', 'n3', 'n1', 'n3'];
var expected_values = ['v1', 'v3', 'v4', 'v6'];
test(function() {
var mykeys = [], myvalues = [];
for(var entry of fd) {
assert_equals(entry.length, 2,
'Default iterator should yield key/value pairs');
mykeys.push(entry[0]);
myvalues.push(entry[1]);
}
assert_array_equals(mykeys, expected_keys,
'Default iterator should see duplicate keys');
assert_array_equals(myvalues, expected_values,
'Default iterator should see non-deleted values');
}, 'Iterator should return duplicate keys and non-deleted values');
test(function() {
var mykeys = [], myvalues = [];
for(var entry of fd.entries()) {
assert_equals(entry.length, 2,
'entries() iterator should yield key/value pairs');
mykeys.push(entry[0]);
myvalues.push(entry[1]);
}
assert_array_equals(mykeys, expected_keys,
'entries() iterator should see duplicate keys');
assert_array_equals(myvalues, expected_values,
'entries() iterator should see non-deleted values');
}, 'Entries iterator should return duplicate keys and non-deleted values');
test(function() {
var mykeys = [];
for(var entry of fd.keys())
mykeys.push(entry);
assert_array_equals(mykeys, expected_keys,
'keys() iterator should see duplicate keys');
}, 'Keys iterator should return duplicates');
test(function() {
var myvalues = [];
for(var entry of fd.values())
myvalues.push(entry);
assert_array_equals(myvalues, expected_values,
'values() iterator should see non-deleted values');
}, 'Values iterator should return non-deleted values');
</script>