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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 t1 = element.appendChild(document.createElement("pre"));
t1.id = "x";
var t2 = element.appendChild(document.createElement("pre"));
t2.setAttribute("name", "y");
var t3 = element.appendChild(document.createElementNS("", "pre"));
t3.setAttribute("id", "z");
var t4 = element.appendChild(document.createElementNS("", "pre"));
t4.setAttribute("name", "w");
this.add_cleanup(function() {
element.removeChild(t1)
element.removeChild(t2)
element.removeChild(t3)
element.removeChild(t4)
});
var list = context.getElementsByTagName('pre');
var pre = list[0];
assert_equals(pre.id, "x");
var exposedNames = { 'x': 0, 'y': 1, 'z': 2 };
for (var exposedName in exposedNames) {
assert_equals(list[exposedName], list[exposedNames[exposedName]]);
assert_equals(list[exposedName], list.namedItem(exposedName));
assert_true(exposedName in list, "'" + exposedName + "' in list");
assert_true(list.hasOwnProperty(exposedName),
"list.hasOwnProperty('" + exposedName + "')");
}
var unexposedNames = ["w"];
for (var unexposedName of unexposedNames) {
assert_false(unexposedName in list);
assert_false(list.hasOwnProperty(unexposedName));
assert_equals(list[unexposedName], undefined);
assert_equals(list.namedItem(unexposedName), null);
}
assert_array_equals(Object.getOwnPropertyNames(list).sort(),
["0", "1", "2", "3", "x", "y", "z"]);
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"), [])
assert_array_equals(context.getElementsByTagName("ST"), [])
assert_array_equals(context.getElementsByTagName("te:st"), [t])
assert_array_equals(context.getElementsByTagName("te: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"), [])
assert_array_equals(context.getElementsByTagName("ST"), [])
assert_array_equals(context.getElementsByTagName("te:st"), [])
assert_array_equals(context.getElementsByTagName("te:ST"), [t])
}, "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("TEST:AÇ"), [t], "All uppercase input")
assert_array_equals(context.getElementsByTagName("test:aÇ"), [t], "Ascii lowercase input")
assert_array_equals(context.getElementsByTagName("test: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("TEST:AÇ"), [t], "All uppercase input")
assert_array_equals(context.getElementsByTagName("test:aÇ"), [], "Ascii lowercase input")
assert_array_equals(context.getElementsByTagName("test: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('*')")
}
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