1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
|
<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: The label element</title>
<link rel="author" title="Intel" href="http://www.intel.com/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<form id="fm" style="display:none">
<label id="lbl0" for="test0"></label>
<b id="test0"></b>
<input id="test1"></input>
<label id="lbl1">
<a id="test2"></a>
<div><input id="test3"></div>
<input id="test4">
</label>
<label id="lbl2" for="testx">
<input id="test5">
</label>
<label id="lbl3" for="test6">
<b id="test6"></b>
<input id="test6" class="class1">
</label>
<label id="lbl4" for="">
<input id="" class="class2">
</label>
<label id="lbl5" for="test7"></label>
<input id="test7">
<label id="lbl7">
<label id="lbl8">
<div id="div1">
<input id="test8">
</div>
</label>
</label>
<div id="div2"></div>
<label id="lbl9">
<label id="lbl10" for="test10">
<div id="div3">
<input id="test9">
</div>
</label>
</label>
<div id="div4"><input id="test10"></div>
<label id="lbl11">
<object id="obj">
<input id="test11">
<input id="test12">
</object>
</label>
<label id="lbl12" for="test12"><div id="div5"></div></label>
<label id="lbl13">
<p id="p1">
<input id="test13">
</p>
</label>
<div id="div6">
<div id="div7">
<label id="lbl14">
<label id="lbl15" for="test15">
<input id="test14">
</label>
</label>
</div>
</div>
<input id="test15">
</form>
<label id="lbl6" for="test7"></label>
<div id="content" style="display: none">
<script>
//control attribute
test(function () {
assert_not_equals(document.getElementById("lbl0").control, document.getElementById("test0"),
"An element that's not a labelable element can't be a label element's labeled control.");
assert_equals(document.getElementById("lbl0").control, null,
"A label element whose 'for' attribute doesn't reference any labelable element shouldn't have any labeled control.");
}, "A label element with a 'for' attribute should only be associated with a labelable element.");
test(function () {
var label = document.createElement("label");
label.htmlFor = "test1";
assert_not_equals(label.control, document.getElementById("test1"),
"A label element not in a document should not label an element in a document.");
document.body.appendChild(label);
assert_equals(label.control, document.getElementById("test1"));
label.remove();
}, "A label element not in a document can not label any element in the document.");
test(function () {
var labels = document.getElementById("test3").labels;
assert_equals(document.getElementById("lbl1").control, document.getElementById("test3"),
"The first labelable descendant of a label element should be its labeled control.");
var input = document.createElement("input");
document.getElementById("lbl1").insertBefore(input, document.getElementById("test2"));
assert_equals(document.getElementById("lbl1").control, input,
"The first labelable descendant of a label element in tree order should be its labeled control.");
assert_equals(input.labels.length, 1,
"The form control has an ancestor with no explicit associated label, and is the first labelable descendant.");
assert_equals(labels.length, 0,
"The number of labels should be 0 if it's not the first labelable descendant of a label element.");
input.remove();
}, "The labeled control for a label element that has no 'for' attribute is the first labelable element which is a descendant of that label element.");
test(function () {
assert_equals(document.getElementById("lbl2").control, null,
"The label's 'control' property should return null if its 'for' attribute points to an inexistent element.");
}, "The 'for' attribute points to an inexistent id.");
test(function () {
assert_equals(document.getElementById("lbl3").control, null, "The label should have no control associated.");
assert_equals(document.querySelector(".class1").labels.length, 0);
}, "A non-control follows by a control with same ID.");
test(function () {
assert_equals(document.getElementById("lbl4").control, null,
"A label element with an empty 'for' attribute should not associate with anything.");
}, "The 'for' attribute is an empty string.");
//labels attribute
test(function () {
var labels = document.getElementById("test7").labels;
assert_true(labels instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels.length, 2,
"The number of labels associated with a form control should be the number of label elements for which it is a labeled control.");
assert_array_equals(labels, [document.getElementById("lbl5"), document.getElementById("lbl6")],
"The labels for a form control should be returned in tree order.");
var newLabel = document.createElement("label");
newLabel.htmlFor = "test7";
document.getElementById("fm").insertBefore(newLabel, document.getElementById("lbl0"));
assert_array_equals(document.getElementById("test7").labels, [newLabel, document.getElementById("lbl5"), document.getElementById("lbl6")],
"The labels for a form control should be returned in tree order.");
newLabel.remove();
}, "A form control has multiple labels.");
test(function () {
var labels = document.getElementById("test8").labels;
assert_true(labels instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels.length, 2,
"The form control has two ancestors with no explicit associated label, and is the first labelable descendant.");
assert_array_equals(labels, [document.getElementById("lbl7"), document.getElementById("lbl8")],
"The labels for a form control should be returned in tree order.");
document.getElementById('div2').insertBefore(document.getElementById('div1'), document.getElementById('div2').firstChild);
assert_equals(labels.length, 0,
"The number of labels should be 0 after the labelable element is moved to outside of nested associated labels.");
}, "A labelable element is moved to outside of nested associated labels.");
test(function () {
var labels1 = document.getElementById("test9").labels;
var labels2 = document.getElementById("test10").labels;
assert_true(labels1 instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_true(labels2 instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels1.length, 1,
"The form control has an ancestor with no explicit associated label, and is the first labelable descendant.");
assert_equals(labels2.length, 1,
"The number of labels associated with a form control should be the number of label elements for which it is a labeled control.");
assert_array_equals(labels1, [document.getElementById("lbl9")],
"The labels for a form control should be returned in tree order.");
assert_array_equals(labels2, [document.getElementById("lbl10")],
"The labels for a form control should be returned in tree order.");
document.getElementById('div3').insertBefore(document.getElementById('div4'), document.getElementById('div3').firstChild);
assert_equals(labels1.length, 0,
"The number of labels should be 0 if it's not the first labelable descendant of a label element.");
assert_equals(labels2.length, 2,
"The form control has an ancestor with an explicit associated label, and is the first labelable descendant.");
}, "A labelable element is moved to inside of nested associated labels.");
test(function () {
var labels1 = document.getElementById("test11").labels;
var labels2 = document.getElementById("test12").labels;
assert_true(labels1 instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_true(labels2 instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels1.length, 1,
"The form control has an ancestor with no explicit associated label, and it is the first labelable descendant.");
assert_equals(labels2.length, 1,
"The number of labels should be 1 since there is a label with a 'for' attribute associated with this labelable element.");
assert_array_equals(labels1, [document.getElementById("lbl11")],
"The labels for a form control should be returned in tree order.");
assert_array_equals(labels2, [document.getElementById("lbl12")],
"The labels for a form control should be returned in tree order.");
document.getElementById('div5').appendChild(document.getElementById('obj'));
assert_equals(labels1.length, 0,
"The number of labels should be 0 after the labelable element is moved to outside of associated label.");
assert_equals(labels2.length, 1,
"The number of labels should be 1 after the labelable element is moved to outside of associated label.");
}, "A labelable element which is a descendant of non-labelable element is moved to outside of associated label.");
async_test(function () {
var labels = document.getElementById("test13").labels;
assert_true(labels instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels.length, 1,
"The form control has an ancestor with no explicit associated label, and is the first labelable descendant.");
assert_array_equals(labels, [document.getElementById("lbl13")],
"The labels for a form control should be returned in tree order.");
let iframe = document.createElement('iframe');
iframe.onload = this.step_func_done(() => {
iframe.contentWindow.document.getElementById("div1").appendChild(document.getElementById("p1"));
assert_equals(labels.length, 2,
"The number of labels should be 2 after the labelable element is moved to iframe.");
});
iframe.setAttribute('src', 'http://{{domains[]}}:{{ports[http][0]}}/html/semantics/forms/the-label-element/iframe-label-attributes.html');
document.body.appendChild(iframe);
}, "A labelable element is moved to iframe.");
test(function () {
var test14 = document.getElementById("test14");
var labels1 = test14.labels;
var labels2 = document.getElementById("test15").labels;
assert_true(labels1 instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels1.length, 1,
"The form control has an ancestor with no explicit associated label, and is the first labelable descendant.");
assert_equals(labels2.length, 1,
"The number of labels associated with a form control should be the number of label elements for which it is a labeled control.");
assert_array_equals(labels1, [document.getElementById("lbl14")],
"The labels for a form control should be returned in tree order.");
assert_array_equals(labels2, [document.getElementById("lbl15")],
"The labels for a form control should be returned in tree order.");
document.getElementById('div6').removeChild(document.getElementById('div7'));
assert_equals(labels1.length, 1,
"The number of labels should be 1 after the labelable element is removed but label element is still in the same tree.");
assert_equals(labels2.length, 0,
"The number of labels should be 0 since there is no label with a 'for' attribute associated with this labelable element.");
test14.remove();
assert_equals(labels1.length, 0,
"The number of labels should be 0 after the labelable element is removed.");
}, "A div element which contains labelable element is removed.");
test(function () {
// <label><input id="test16"><label for="test16"></label></label>
var label1 = document.createElement('label');
label1.innerHTML = "<input id='test16'>";
var label2 = document.createElement('label');
label2.htmlFor = "test16";
label1.appendChild(label2);
var input = label1.firstChild;
var labels = input.labels;
assert_equals(labels.length, 2,
"The number of labels associated with a form control should be the number of label elements for which it is a labeled control.");
assert_true(labels instanceof NodeList,
"A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(label1.control, input, "The first labelable descendant of a label element should be its labeled control.");
assert_equals(label2.control, input, "The labeled cotrol should be associated with the control whose ID is equal to the value of the 'for' attribute.");
}, "A labelable element not in a document can label element in the same tree.");
test(function () {
var root1 = document.getElementById('content').attachShadow({mode: 'open'});
assert_true(root1 instanceof DocumentFragment,
"ShadowRoot should be an instance of DocumentFragment.");
// <label><input id="shadow1"/></label><div id="div1"></div>
var label1 = document.createElement('label');
var input1 = document.createElement('input');
input1.setAttribute("id", "shadow1");
label1.appendChild(input1);
root1.appendChild(label1);
var div1 = document.createElement('div');
label1.appendChild(div1);
// <label for="shadow2"></label><input id="shadow2"/>
var root2 = div1.attachShadow({mode: 'open'});
assert_true(root2 instanceof DocumentFragment,
"ShadowRoot should be an instance of DocumentFragment.");
var label2 = document.createElement('label');
label2.setAttribute("for", "shadow2");
var input2 = document.createElement('input');
input2.setAttribute("id", "shadow2");
root2.appendChild(label2);
root2.appendChild(input2);
assert_equals(root1.getElementById("shadow1").labels.length, 1,
"The form control has an ancestor with no explicit associated label, and it is the first labelable descendant.");
assert_equals(root2.getElementById("shadow2").labels.length, 1,
"The number of labels should be 1 since there is a label with a 'for' attribute associated with this labelable element.");
}, "A labelable element inside the shadow DOM.");
test(function () {
var labels = document.getElementById("test3").labels;
assert_true(labels instanceof NodeList, "A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels.length, 1, "The form control has an ancestor with no explicit associated label, and is the first labelable descendant.");
}, "A form control has an implicit label.");
test(function () {
var labels = document.getElementById("test4").labels;
assert_true(labels instanceof NodeList, "A form control's 'labels' property should be an instance of a NodeList.");
assert_equals(labels.length, 0, "The form control has an ancestor with no explicit associated label, but is *not* the first labelable descendant");
}, "A form control has no label 1.");
test(function () {
assert_equals(document.getElementById("test5").labels.length, 0,
"The number of labels should be 0 if the form control has an ancestor label element that the for attribute points to another control.");
assert_equals(document.getElementById("lbl2").control, null,
"The labeled cotrol should be associated with the control whose ID is equal to the value of the 'for' attribute.");
}, "A form control has no label 2.");
// form attribute
test(function () {
assert_equals(document.getElementById("lbl0").form, null,
"The 'form' property for a label should return null if label.control is null.");
}, "A label in a form without a control");
test(function () {
assert_equals(document.getElementById("lbl6").form, document.getElementById("fm"),
"The 'form' property for a label should return label.control.form.");
}, "A label outside a form with a control inside the form");
// htmlFor attribute
test(function () {
assert_equals(document.getElementById("lbl2").htmlFor, "testx");
}, "A label's htmlFor attribute must reflect the for content attribute");
</script>
|
