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Add a test for Element#getElementsByTagName. #1423

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merged 4 commits into from Nov 28, 2014
Merged

Add a test for Element#getElementsByTagName. #1423

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43988f0
Create a pre element in Document-getElementsByTagName.html dynamically.
Ms2ger Nov 22, 2014
33f6e5c
Move the body of Document-getElementsByTagName.html into a helper file.
Ms2ger Nov 22, 2014
28d6291
Make test_getElementsByTagName() more generic.
Ms2ger Nov 27, 2014
ebdbde6
Add a test for Element#getElementsByTagName.
Ms2ger Nov 27, 2014
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166 changes: 166 additions & 0 deletions dom/nodes/Document-Element-getElementsByTagName.js
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function test_getElementsByTagName(context, element) {
// TODO: getElementsByTagName("*")
test(function() {
assert_false(context.getElementsByTagName("html") instanceof NodeList,
"Should not return a NodeList")
assert_true(context.getElementsByTagName("html") instanceof HTMLCollection,
"Should return an HTMLCollection")
}, "Interfaces")

test(function() {
var firstCollection = context.getElementsByTagName("html"),
secondCollection = context.getElementsByTagName("html")
assert_true(firstCollection !== secondCollection ||
firstCollection === secondCollection)
}, "Caching is allowed")

test(function() {
var l = context.getElementsByTagName("nosuchtag")
l[5] = "foopy"
assert_equals(l[5], undefined)
assert_equals(l.item(5), null)
}, "Shouldn't be able to set unsigned properties on a HTMLCollection (non-strict mode)")

test(function() {
var l = context.getElementsByTagName("nosuchtag")
assert_throws(new TypeError(), function() {
"use strict";
l[5] = "foopy"
})
assert_equals(l[5], undefined)
assert_equals(l.item(5), null)
}, "Shouldn't be able to set unsigned properties on a HTMLCollection (strict mode)")

test(function() {
var l = context.getElementsByTagName("nosuchtag")
var fn = l.item;
assert_equals(fn, HTMLCollection.prototype.item);
l.item = "pass"
assert_equals(l.item, "pass")
assert_equals(HTMLCollection.prototype.item, fn);
}, "Should be able to set expando shadowing a proto prop (item)")

test(function() {
var l = context.getElementsByTagName("nosuchtag")
var fn = l.namedItem;
assert_equals(fn, HTMLCollection.prototype.namedItem);
l.namedItem = "pass"
assert_equals(l.namedItem, "pass")
assert_equals(HTMLCollection.prototype.namedItem, fn);
}, "Should be able to set expando shadowing a proto prop (namedItem)")

test(function() {
var t = element.appendChild(document.createElement("pre"));
t.id = "x";
this.add_cleanup(function() {element.removeChild(t)});

var list = context.getElementsByTagName('pre');
var pre = list[0];
assert_equals(pre.id, "x");
assert_equals(list['x'], pre);

assert_true('x' in list, "'x' in list");
assert_true(list.hasOwnProperty('x'), "list.hasOwnProperty('x')");

assert_array_equals(Object.getOwnPropertyNames(list).sort(), ["0", "x"]);

var desc = Object.getOwnPropertyDescriptor(list, '0');
assert_equals(typeof desc, "object", "descriptor should be an object");
assert_true(desc.enumerable, "desc.enumerable");
assert_true(desc.configurable, "desc.configurable");

desc = Object.getOwnPropertyDescriptor(list, 'x');
assert_equals(typeof desc, "object", "descriptor should be an object");
assert_false(desc.enumerable, "desc.enumerable");
assert_true(desc.configurable, "desc.configurable");
}, "hasOwnProperty, getOwnPropertyDescriptor, getOwnPropertyNames")

test(function() {
assert_equals(document.createElementNS("http://www.w3.org/1999/xhtml", "i").localName, "i") // Sanity
var t = element.appendChild(document.createElementNS("http://www.w3.org/1999/xhtml", "I"))
this.add_cleanup(function() {element.removeChild(t)})
assert_equals(t.localName, "I")
assert_equals(t.tagName, "I")
assert_equals(context.getElementsByTagName("I").length, 0)
assert_equals(context.getElementsByTagName("i").length, 0)
}, "HTML element with uppercase tagName never matches in HTML Documents")

test(function() {
var t = element.appendChild(document.createElementNS("test", "st"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("st"), [t])
assert_array_equals(context.getElementsByTagName("ST"), [])
}, "Element in non-HTML namespace, no prefix, lowercase name")

test(function() {
var t = element.appendChild(document.createElementNS("test", "ST"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("ST"), [t])
assert_array_equals(context.getElementsByTagName("st"), [])
}, "Element in non-HTML namespace, no prefix, uppercase name")

test(function() {
var t = element.appendChild(document.createElementNS("test", "te:st"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("st"), [t])
assert_array_equals(context.getElementsByTagName("ST"), [])
}, "Element in non-HTML namespace, prefix, lowercase name")

test(function() {
var t = element.appendChild(document.createElementNS("test", "te:ST"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("ST"), [t])
assert_array_equals(context.getElementsByTagName("st"), [])
assert_array_equals(context.getElementsByTagName("te:st"), [])
assert_array_equals(context.getElementsByTagName("te:ST"), [])
}, "Element in non-HTML namespace, prefix, uppercase name")

test(function() {
var t = element.appendChild(document.createElement("aÇ"))
this.add_cleanup(function() {element.removeChild(t)})
assert_equals(t.localName, "aÇ")
assert_array_equals(context.getElementsByTagName("AÇ"), [t], "All uppercase input")
assert_array_equals(context.getElementsByTagName("aÇ"), [t], "Ascii lowercase input")
assert_array_equals(context.getElementsByTagName("aç"), [], "All lowercase input")
}, "Element in HTML namespace, no prefix, non-ascii characters in name")

test(function() {
var t = element.appendChild(document.createElementNS("test", "AÇ"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("AÇ"), [t])
assert_array_equals(context.getElementsByTagName("aÇ"), [])
assert_array_equals(context.getElementsByTagName("aç"), [])
}, "Element in non-HTML namespace, non-ascii characters in name")

test(function() {
var t = element.appendChild(document.createElementNS("http://www.w3.org/1999/xhtml", "test:aÇ"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("AÇ"), [t], "All uppercase input")
assert_array_equals(context.getElementsByTagName("aÇ"), [t], "Ascii lowercase input")
assert_array_equals(context.getElementsByTagName("aç"), [], "All lowercase input")
}, "Element in HTML namespace, prefix, non-ascii characters in name")

test(function() {
var t = element.appendChild(document.createElementNS("test", "test:AÇ"))
this.add_cleanup(function() {element.removeChild(t)})
assert_array_equals(context.getElementsByTagName("AÇ"), [t], "All uppercase input")
assert_array_equals(context.getElementsByTagName("aÇ"), [], "Ascii lowercase input")
assert_array_equals(context.getElementsByTagName("aç"), [], "All lowercase input")
}, "Element in non-HTML namespace, prefix, non-ascii characters in name")

test(function() {
var actual = context.getElementsByTagName("*");
var expected = [];
var get_elements = function(node) {
for (var i = 0; i < node.childNodes.length; i++) {
var child = node.childNodes[i];
if (child.nodeType === child.ELEMENT_NODE) {
expected.push(child);
get_elements(child);
}
}
}
get_elements(context);
assert_array_equals(actual, expected);
}, "getElementsByTagName('*')")
}
165 changes: 2 additions & 163 deletions dom/nodes/Document-getElementsByTagName.html
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Expand Up @@ -4,169 +4,8 @@
<link rel=help href="https://dom.spec.whatwg.org/#dom-document-getelementsbytagname">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="Document-Element-getElementsByTagName.js"></script>
<div id="log"></div>
<pre id="x"></pre>
<script>
// TODO: getElementsByTagName("*")
test(function() {
assert_false(document.getElementsByTagName("html") instanceof NodeList,
"Should not return a NodeList")
assert_true(document.getElementsByTagName("html") instanceof HTMLCollection,
"Should return an HTMLCollection")
}, "Interfaces")

test(function() {
var firstCollection = document.getElementsByTagName("html"),
secondCollection = document.getElementsByTagName("html")
assert_true(firstCollection !== secondCollection ||
firstCollection === secondCollection)
}, "Caching is allowed")

test(function() {
var l = document.getElementsByTagName("nosuchtag")
l[5] = "foopy"
assert_equals(l[5], undefined)
assert_equals(l.item(5), null)
}, "Shouldn't be able to set unsigned properties on a HTMLCollection (non-strict mode)")

test(function() {
var l = document.getElementsByTagName("nosuchtag")
assert_throws(new TypeError(), function() {
"use strict";
l[5] = "foopy"
})
assert_equals(l[5], undefined)
assert_equals(l.item(5), null)
}, "Shouldn't be able to set unsigned properties on a HTMLCollection (strict mode)")

test(function() {
var l = document.getElementsByTagName("nosuchtag")
var fn = l.item;
assert_equals(fn, HTMLCollection.prototype.item);
l.item = "pass"
assert_equals(l.item, "pass")
assert_equals(HTMLCollection.prototype.item, fn);
}, "Should be able to set expando shadowing a proto prop (item)")

test(function() {
var l = document.getElementsByTagName("nosuchtag")
var fn = l.namedItem;
assert_equals(fn, HTMLCollection.prototype.namedItem);
l.namedItem = "pass"
assert_equals(l.namedItem, "pass")
assert_equals(HTMLCollection.prototype.namedItem, fn);
}, "Should be able to set expando shadowing a proto prop (namedItem)")

test(function() {
var list = document.getElementsByTagName('pre');
var pre = list[0];
assert_equals(pre.id, "x");
assert_equals(list['x'], pre);

assert_true('x' in list, "'x' in list");
assert_true(list.hasOwnProperty('x'), "list.hasOwnProperty('x')");

assert_array_equals(Object.getOwnPropertyNames(list).sort(), ["0", "x"]);

var desc = Object.getOwnPropertyDescriptor(list, '0');
assert_equals(typeof desc, "object", "descriptor should be an object");
assert_true(desc.enumerable, "desc.enumerable");
assert_true(desc.configurable, "desc.configurable");

desc = Object.getOwnPropertyDescriptor(list, 'x');
assert_equals(typeof desc, "object", "descriptor should be an object");
assert_false(desc.enumerable, "desc.enumerable");
assert_true(desc.configurable, "desc.configurable");
}, "hasOwnProperty, getOwnPropertyDescriptor, getOwnPropertyNames")

test(function() {
assert_equals(document.createElementNS("http://www.w3.org/1999/xhtml", "i").localName, "i") // Sanity
var t = document.body.appendChild(document.createElementNS("http://www.w3.org/1999/xhtml", "I"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_equals(t.localName, "I")
assert_equals(t.tagName, "I")
assert_equals(document.getElementsByTagName("I").length, 0)
assert_equals(document.getElementsByTagName("i").length, 0)
assert_equals(document.body.getElementsByTagName("I").length, 0)
assert_equals(document.body.getElementsByTagName("i").length, 0)
}, "HTML element with uppercase tagName never matches in HTML Documents")

test(function() {
var t = document.body.appendChild(document.createElementNS("test", "st"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("st"), [t])
assert_array_equals(document.getElementsByTagName("ST"), [])
}, "Element in non-HTML namespace, no prefix, lowercase name")

test(function() {
var t = document.body.appendChild(document.createElementNS("test", "ST"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("ST"), [t])
assert_array_equals(document.getElementsByTagName("st"), [])
}, "Element in non-HTML namespace, no prefix, uppercase name")

test(function() {
var t = document.body.appendChild(document.createElementNS("test", "te:st"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("st"), [t])
assert_array_equals(document.getElementsByTagName("ST"), [])
}, "Element in non-HTML namespace, prefix, lowercase name")

test(function() {
var t = document.body.appendChild(document.createElementNS("test", "te:ST"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("ST"), [t])
assert_array_equals(document.getElementsByTagName("st"), [])
assert_array_equals(document.getElementsByTagName("te:st"), [])
assert_array_equals(document.getElementsByTagName("te:ST"), [])
}, "Element in non-HTML namespace, prefix, uppercase name")

test(function() {
var t = document.body.appendChild(document.createElement("aÇ"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_equals(t.localName, "aÇ")
assert_array_equals(document.getElementsByTagName("AÇ"), [t], "All uppercase input")
assert_array_equals(document.getElementsByTagName("aÇ"), [t], "Ascii lowercase input")
assert_array_equals(document.getElementsByTagName("aç"), [], "All lowercase input")
}, "Element in HTML namespace, no prefix, non-ascii characters in name")

test(function() {
var t = document.body.appendChild(document.createElementNS("test", "AÇ"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("AÇ"), [t])
assert_array_equals(document.getElementsByTagName("aÇ"), [])
assert_array_equals(document.getElementsByTagName("aç"), [])
}, "Element in non-HTML namespace, non-ascii characters in name")

test(function() {
var t = document.body.appendChild(document.createElementNS("http://www.w3.org/1999/xhtml", "test:aÇ"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("AÇ"), [t], "All uppercase input")
assert_array_equals(document.getElementsByTagName("aÇ"), [t], "Ascii lowercase input")
assert_array_equals(document.getElementsByTagName("aç"), [], "All lowercase input")
}, "Element in HTML namespace, prefix, non-ascii characters in name")

test(function() {
var t = document.body.appendChild(document.createElementNS("test", "test:AÇ"))
this.add_cleanup(function() {document.body.removeChild(t)})
assert_array_equals(document.getElementsByTagName("AÇ"), [t], "All uppercase input")
assert_array_equals(document.getElementsByTagName("aÇ"), [], "Ascii lowercase input")
assert_array_equals(document.getElementsByTagName("aç"), [], "All lowercase input")
}, "Element in non-HTML namespace, prefix, non-ascii characters in name")

test(function() {
var actual = document.getElementsByTagName("*");
var expected = [];
var get_elements = function(node) {
for (var i = 0; i < node.childNodes.length; i++) {
var child = node.childNodes[i];
if (child.nodeType === child.ELEMENT_NODE) {
expected.push(child);
get_elements(child);
}
}
}
get_elements(document);
assert_array_equals(actual, expected);
}, "getElementsByTagName('*')")
test_getElementsByTagName(document, document.body);
</script>
30 changes: 30 additions & 0 deletions dom/nodes/Element-getElementsByTagName.html
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<!DOCTYPE html>
<meta charset=utf-8>
<title>Element.getElementsByTagName</title>
<link rel=help href="https://dom.spec.whatwg.org/#dom-element-getelementsbytagname">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="Document-Element-getElementsByTagName.js"></script>
<div id="log"></div>
<script>
var element;
setup(function() {
element = document.createElement("div");
element.appendChild(document.createTextNode("text"));
var p = element.appendChild(document.createElement("p"));
p.appendChild(document.createElement("a"))
.appendChild(document.createTextNode("link"));
p.appendChild(document.createElement("b"))
.appendChild(document.createTextNode("bold"));
p.appendChild(document.createElement("em"))
.appendChild(document.createElement("u"))
.appendChild(document.createTextNode("emphasized"));
element.appendChild(document.createComment("comment"));
});

test_getElementsByTagName(element, element);

test(function() {
assert_array_equals(element.getElementsByTagName(element.localName), []);
}, "Matching the context object");
</script>