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Auto merge of #10762 - canaltinova:has_attributes, r=nox

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Implement Element::hasAttributes

Fixes #10748 .
Implement Element::hasAttributes. I'm not sure if tests are enough. I'm open to suggestion :)

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This commit is contained in:
bors-servo 2016-04-22 15:11:20 -07:00
commit 8163347e34
6 changed files with 55 additions and 9 deletions
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5
components/script/dom/element.rs
View file

@ -1335,6 +1335,11 @@ impl ElementMethods for Element {
self.attr_list.or_init(|| NamedNodeMap::new(&window_from_node(self), self))
}
// https://dom.spec.whatwg.org/#dom-element-hasattributes
fn HasAttributes(&self) -> bool {
!self.attrs.borrow().is_empty()
}
// https://dom.spec.whatwg.org/#dom-element-getattributenames
fn GetAttributeNames(&self) -> Vec<DOMString> {
self.attrs.borrow().iter().map(|attr| attr.Name()).collect()

2
components/script/dom/webidls/Element.webidl
View file

@ -35,6 +35,8 @@ interface Element : Node {
[Pure]
sequence<DOMString> getAttributeNames();
[Pure]
boolean hasAttributes();
[Pure]
DOMString? getAttribute(DOMString name);
[Pure]
DOMString? getAttributeNS(DOMString? namespace, DOMString localName);

8
tests/wpt/metadata/MANIFEST.json
View file

@ -35228,6 +35228,14 @@
"url": "/html/rendering/replaced-elements/embedded-content-rendering-rules/canvas_scale.html"
}
]
},
"testharness": {
"dom/nodes/Element-hasAttributes.html": [
{
"path": "dom/nodes/Element-hasAttributes.html",
"url": "/dom/nodes/Element-hasAttributes.html"
}
]
}
},
"reftest_nodes": {

6
tests/wpt/metadata/dom/interfaces.html.ini
View file

@ -102,9 +102,6 @@
[DocumentFragment interface: calling queryAll(DOMString) on document.createDocumentFragment() with too few arguments must throw TypeError]
expected: FAIL
[Element interface: operation hasAttributes()]
expected: FAIL
[Element interface: operation query(DOMString)]
expected: FAIL
@ -264,9 +261,6 @@
[Element interface: element must inherit property "slot" with the proper type (7)]
expected: FAIL
[Element interface: element must inherit property "hasAttributes" with the proper type (8)]
expected: FAIL
[Element interface: element must inherit property "attachShadow" with the proper type (24)]
expected: FAIL

3
tests/wpt/metadata/html/dom/interfaces.html.ini
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@ -1956,9 +1956,6 @@
[HTMLElement interface: document.createElement("noscript") must inherit property "onwaiting" with the proper type (94)]
expected: FAIL
[Element interface: document.createElement("noscript") must inherit property "hasAttributes" with the proper type (7)]
expected: FAIL
[Element interface: document.createElement("noscript") must inherit property "query" with the proper type (34)]
expected: FAIL

40
tests/wpt/web-platform-tests/dom/nodes/Element-hasAttributes.html Normal file
View file

@ -0,0 +1,40 @@
<!doctype html>
<meta charset="utf-8">
<title></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<button></button>
<div id="foo"></div>
<p data-foo=""></p>
<script>
test(function() {
var buttonElement = document.getElementsByTagName('button')[0];
assert_equals(buttonElement.hasAttributes(), false, 'hasAttributes() on empty element must return false.');
var emptyDiv = document.createElement('div');
assert_equals(emptyDiv.hasAttributes(), false, 'hasAttributes() on dynamically created empty element must return false.');
}, 'element.hasAttributes() must return false when the element does not have attribute.');
test(function() {
var divWithId = document.getElementById('foo');
assert_equals(divWithId.hasAttributes(), true, 'hasAttributes() on element with id attribute must return true.');
var divWithClass = document.createElement('div');
divWithClass.setAttribute('class', 'foo');
assert_equals(divWithClass.hasAttributes(), true, 'hasAttributes() on dynamically created element with class attribute must return true.');
var pWithCustomAttr = document.getElementsByTagName('p')[0];
assert_equals(pWithCustomAttr.hasAttributes(), true, 'hasAttributes() on element with custom attribute must return true.');
var divWithCustomAttr = document.createElement('div');
divWithCustomAttr.setAttribute('data-custom', 'foo');
assert_equals(divWithCustomAttr.hasAttributes(), true, 'hasAttributes() on dynamically created element with custom attribute must return true.');
}, 'element.hasAttributes() must return true when the element has attribute.');
</script>
</body>