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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-form-element/form-nameditem.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset=utf-8>
<title>Form named getter</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<!-- XXX Nothing tests id attributes yet. -->
<!-- XXX We also need tests for moving inputs and forms in the DOM. -->
<form>
<input type=button name=button>
<input type=radio name=radio value=x>
<input type=radio name=radio value=y>
<input type=radio name=radio value=z>
</form>
<form>
<button name=l1></button>
<fieldset name=l2></fieldset>
<input type=hidden name=l3>
<input type=text name=l4>
<input type=search name=l5>
<input type=tel name=l6>
<input type=url name=l7>
<input type=email name=l8>
<input type=password name=l9>
<input type=datetime name=l10>
<input type=date name=l11>
<input type=month name=l12>
<input type=week name=l13>
<input type=time name=l14>
<input type=datetime-local name=l15>
<input type=number name=l16>
<input type=range name=l17>
<input type=color name=l18>
<input type=checkbox name=l19>
<input type=radio name=l20>
<input type=file name=l21>
<input type=submit name=l22>
<input type=image name=l23>
<input type=reset name=l24>
<input type=button name=l25>
<input type=foo name=l26>
<input name=l27>
<object name=l28></object>
<output name=l29></output>
<select name=l30></select>
<textarea name=l31></textarea>
</form>
<form>
<!-- EventTarget -->
<input type=radio name=addEventListener>
<input type=radio name=removeEventListener>
<input type=radio name=dispatchEvent>
<!-- Node -->
<input type=radio name=nodeType>
<input type=radio name=nodeName>
<input type=radio name=ownerDocument>
<!-- Element -->
<input type=radio name=namespaceURI>
<input type=radio name=prefix>
<input type=radio name=localName>
<!-- HTMLElement -->
<input type=radio name=title>
<input type=radio name=lang>
<input type=radio name=dir>
<!-- HTMLFormElement -->
<input type=radio name=acceptCharset>
<input type=radio name=action>
<input type=radio name=autocomplete>
<input type=radio name=enctype>
<input type=radio name=encoding>
<input type=radio name=method>
<input type=radio name=name>
<input type=radio name=noValidate>
<input type=radio name=target>
<input type=radio name=elements>
<input type=radio name=length>
<input type=radio name=submit>
<input type=radio name=reset>
<input type=radio name=checkValidity>
</form>
<img name=x>
<form></form><!-- no child nodes -->
<img name=y>
<form><!-- a child node --></form>
<img name=z>
<input form=a name=b>
<form id=a></form>
<input form=c name=d>
<input form=c name=d>
<form id=c></form>
<script>
test(function() {
var form = document.getElementsByTagName("form")[0]
assert_equals(form.item, undefined)
assert_false("item" in form)
}, "Forms should not have an item method")
test(function() {
var form = document.getElementsByTagName("form")[0]
assert_equals(form.namedItem, undefined)
assert_false("namedItem" in form)
}, "Forms should not have a namedItem method")
test(function() {
var form = document.getElementsByTagName("form")[0]
var button = document.getElementsByTagName("input")[0]
assert_equals(button.type, "button")
assert_equals(form.button, button)
var desc = Object.getOwnPropertyDescriptor(form, "button");
assert_equals(desc.value, button);
assert_false(desc.writable);
assert_true(desc.configurable);
assert_false(desc.enumerable);
assert_equals(form.button.length, undefined)
}, "Name for a single element should work")
test(function() {
var form = document.getElementsByTagName("form")[0]
assert_equals(form.radio.item(-1), null)
assert_array_equals([0, 1, 2].map(function(i) {
return form.radio.item(i).value
}), ["x", "y", "z"])
assert_equals(form.radio.item(3), null)
}, "Calling item() on the NodeList returned from the named getter should work")
test(function() {
var form = document.getElementsByTagName("form")[0]
assert_equals(form.radio.length, 3)
assert_equals(form.radio[-1], undefined)
assert_array_equals([0, 1, 2].map(function(i) {
return form.radio[i].value
}), ["x", "y", "z"])
assert_equals(form.radio[3], undefined)
}, "Indexed getter on the NodeList returned from the named getter should work")
test(function() {
var form = document.getElementsByTagName("form")[0]
var indices = [-1, 0, 1, 2, 3]
indices.forEach(function(i) {
assert_throws_js(TypeError, function() {
form.radio(i)
})
})
}, "Invoking a legacycaller on the NodeList returned from the named getter " +
"should not work")
test(function() {
var form = document.getElementsByTagName("form")[1]
for (var i = 1; i <= 31; ++i) {
if (i == 23) {
// input type=image
assert_equals(form["l" + i], undefined)
} else {
assert_equals(form["l" + i], form.children[i - 1])
}
}
}, "All listed elements except input type=image should be present in the form")
test(function() {
var names = [
// EventTarget
"addEventListener", "removeEventListener", "dispatchEvent",
// Node
"nodeType", "nodeName", "ownerDocument",
// Element
"namespaceURI", "prefix", "localName",
// HTMLElement
"title", "lang", "dir",
// HTMLFormElement
"acceptCharset", "action", "autocomplete", "enctype", "encoding", "method",
"name", "noValidate", "target", "elements", "length", "submit", "reset",
"checkValidity"
]
var form = document.getElementsByTagName("form")[2]
names.forEach(function(name, i) {
assert_equals(form[name], form.children[i])
})
}, "Named elements should override builtins")
test(function() {
var form = document.getElementsByTagName("form")[3]
assert_equals(form.x, undefined, "x should not be associated with the form")
assert_equals(form.y, undefined, "y should not be associated with the form")
assert_equals(form.z, undefined, "z should not be associated with the form")
assert_equals(form[0], undefined, "The form should not have supported property indices")
assert_equals(form.length, 0)
}, "Named items outside the form should not be returned (no children)")
test(function() {
var form = document.getElementsByTagName("form")[4]
assert_equals(form.x, undefined, "x should not be associated with the form")
assert_equals(form.y, undefined, "y should not be associated with the form")
assert_equals(form.z, undefined, "z should not be associated with the form")
assert_equals(form[0], undefined, "The form should not have supported property indices")
assert_equals(form.length, 0)
}, "Named items outside the form should not be returned (one child)")
test(function() {
var form = document.getElementsByTagName("form")[5]
assert_equals(form.id, "a")
var input = document.getElementsByName("b")[0]
assert_equals(input.localName, "input")
assert_equals(input.getAttribute("form"), "a")
assert_equals(form.b, input);
}, "The form attribute should be taken into account for named getters (single element)")
test(function() {
var form = document.getElementsByTagName("form")[6]
assert_equals(form.id, "c")
var input1 = document.getElementsByName("d")[0]
assert_equals(input1.localName, "input")
assert_equals(input1.getAttribute("form"), "c")
var input2 = document.getElementsByName("d")[1]
assert_equals(input2.localName, "input")
assert_equals(input2.getAttribute("form"), "c")
var desc = Object.getOwnPropertyDescriptor(form, "d");
assert_equals(desc.value, form.d);
assert_false(desc.writable);
assert_true(desc.configurable);
assert_false(desc.enumerable);
assert_true(form.d instanceof NodeList, "form.d should be a NodeList")
assert_array_equals(form.d, [input1, input2])
}, "The form attribute should be taken into account for named getters (multiple elements)")
test(function() {
var f = document.body.appendChild(document.createElement("form"))
f.id = "f"
var g = f.appendChild(document.createElement("form"))
g.id = "g"
var input = g.appendChild(document.createElement("input"))
input.name = "x"
assert_equals(f.x, undefined)
assert_equals(g.x, input)
}, "Input should only be a named property on the innermost form that contains it")
test(function() {
var form = document.getElementsByTagName("form")[1];
var old_item = form["l1"];
var old_desc = Object.getOwnPropertyDescriptor(form, "l1");
assert_equals(old_desc.value, old_item);
assert_false(old_desc.enumerable);
assert_true(old_desc.configurable);
assert_false(old_desc.writable);
form["l1"] = 5;
assert_equals(form["l1"], old_item);
assert_throws_js(TypeError, function() {
"use strict";
form["l1"] = 5;
});
assert_throws_js(TypeError, function() {
Object.defineProperty(form, "l1", { value: 5 });
});
delete form["l1"];
assert_equals(form["l1"], old_item);
assert_throws_js(TypeError, function() {
"use strict";
delete form["l1"];
});
assert_equals(form["l1"], old_item);
}, 'Trying to set an expando that would shadow an already-existing named property');
test(function() {
var form = document.getElementsByTagName("form")[1];
var old_item = form["new-name"];
var old_desc = Object.getOwnPropertyDescriptor(form, "new-name");
assert_equals(old_item, undefined);
assert_equals(old_desc, undefined);
form["new-name"] = 5;
assert_equals(form["new-name"], 5);
var input = document.createElement("input");
this.add_cleanup(function () {input.remove();});
input.name = "new-name";
form.appendChild(input);
assert_equals(form["new-name"], 5);
delete form["new-name"];
assert_equals(form["new-name"], input);
}, 'Trying to set an expando that shadows a named property that gets added later');
test(function() {
var form = document.getElementsByTagName("form")[1];
var old_item = form["new-name2"];
var old_desc = Object.getOwnPropertyDescriptor(form, "new-name2");
assert_equals(old_item, undefined);
assert_equals(old_desc, undefined);
Object.defineProperty(form, "new-name2", { configurable: false, writable:
false, value: 5 });
assert_equals(form["new-name2"], 5);
var input = document.createElement("input");
this.add_cleanup(function () {input.remove();});
input.name = "new-name2";
form.appendChild(input);
assert_equals(form["new-name2"], 5);
delete form["new-name2"];
assert_equals(form["new-name2"], 5);
assert_throws_js(TypeError, function() {
"use strict";
delete form["new-name2"];
});
assert_equals(form["new-name2"], 5);
}, 'Trying to set a non-configurable expando that shadows a named property that gets added later');
test(function() {
var form = document.getElementsByTagName("form")[1];
var i1 = document.createElement("input");
i1.name = "past-name1";
i1.id = "past-id1"
assert_equals(form["past-name1"], undefined);
assert_equals(form["past-id1"], undefined);
form.appendChild(i1);
assert_equals(form["past-name1"], i1);
assert_equals(form["past-id1"], i1);
i1.name = "twiddled-name1";
i1.id = "twiddled-id1";
assert_equals(form["past-name1"], i1);
assert_equals(form["twiddled-name1"], i1);
assert_equals(form["past-id1"], i1);
assert_equals(form["twiddled-id1"], i1);
i1.name = "twiddled-name2";
i1.id = "twiddled-id2";
assert_equals(form["past-name1"], i1);
assert_equals(form["twiddled-name1"], i1);
assert_equals(form["twiddled-name2"], i1);
assert_equals(form["past-id1"], i1);
assert_equals(form["twiddled-id1"], i1);
assert_equals(form["twiddled-id2"], i1);
i1.removeAttribute("id");
i1.removeAttribute("name");
assert_equals(form["past-name1"], i1);
assert_equals(form["twiddled-name1"], i1);
assert_equals(form["twiddled-name2"], i1);
assert_equals(form["past-id1"], i1);
assert_equals(form["twiddled-id1"], i1);
assert_equals(form["twiddled-id2"], i1);
i1.remove();
assert_equals(form["past-name1"], undefined);
assert_equals(form["twiddled-name1"], undefined);
assert_equals(form["twiddled-name2"], undefined);
assert_equals(form["past-id1"], undefined);
assert_equals(form["twiddled-id1"], undefined);
assert_equals(form["twiddled-id2"], undefined);
var i2 = document.createElement("input");
i2.name = "past-name2";
i2.id = "past-id2";
assert_equals(form["past-name2"], undefined);
assert_equals(form["past-id2"], undefined);
form.appendChild(i2);
assert_equals(form["past-name2"], i2);
assert_equals(form["past-id2"], i2);
i2.name = "twiddled-name3";
i2.id = "twiddled-id3";
assert_equals(form["past-name2"], i2);
assert_equals(form["twiddled-name3"], i2);
assert_equals(form["past-id2"], i2);
assert_equals(form["twiddled-id3"], i2);
i2.name = "twiddled-name4";
i2.id = "twiddled-id4";
assert_equals(form["past-name2"], i2);
assert_equals(form["twiddled-name3"], i2);
assert_equals(form["twiddled-name4"], i2);
assert_equals(form["past-id2"], i2);
assert_equals(form["twiddled-id3"], i2);
assert_equals(form["twiddled-id4"], i2);
i2.removeAttribute("id");
i2.removeAttribute("name");
assert_equals(form["past-name2"], i2);
assert_equals(form["twiddled-name3"], i2);
assert_equals(form["twiddled-name4"], i2);
assert_equals(form["past-id2"], i2);
assert_equals(form["twiddled-id3"], i2);
assert_equals(form["twiddled-id4"], i2);
i2.setAttribute("form", "c");
assert_equals(form["past-name2"], undefined);
assert_equals(form["twiddled-name3"], undefined);
assert_equals(form["twiddled-name4"], undefined);
assert_equals(form["past-id2"], undefined);
assert_equals(form["twiddled-id3"], undefined);
assert_equals(form["twiddled-id4"], undefined);
}, "Past names map should work correctly");
</script>