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
|
<!DOCTYPE HTML>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/wai-aria/scripts/aria-utils.js"></script>
</head>
<body>
<div id="test-container"></div>
<script>
async function setup_test() {
const test_container = document.querySelector("#test-container");
test_container.setHTMLUnsafe(`
<div id="host1">
<template shadowrootmode="open" shadowrootreferencetarget="label1">
<span>Outside the label</span>
<label id="label1">Label 1</label>
<label id="label2">Label 2</label>
</template>
</div>
<input id="input1" aria-labelledby="host1">`);
const input1 = test_container.querySelector("#input1");
assert_equals(await test_driver.get_computed_label(input1), "Label 1");
return test_container
}
promise_test(async t => {
const test_container = await setup_test();
const host1 = test_container.querySelector("#host1");
const label1 = host1.shadowRoot.querySelector("#label1");
label1.id = "new_id";
assert_equals(await test_driver.get_computed_label(input1), "");
}, "Changing the ID of the referenced element results in an empty computed label");
promise_test(async t => {
const test_container = await setup_test();
const host1 = test_container.querySelector("#host1");
const label1 = host1.shadowRoot.querySelector("#label1");
label1.remove();
assert_equals(await test_driver.get_computed_label(input1), "");
}, "Removing the referenced element results in an empty computed label");
promise_test(async t => {
const test_container = await setup_test();
const host1 = test_container.querySelector("#host1");
const new_label = document.createElement("label");
new_label.id = "label1";
new_label.textContent = "New label";
host1.shadowRoot.prepend(new_label);
assert_equals(await test_driver.get_computed_label(input1), "New label");
}, "New referenced element prepended to the shadow supercedes the existing label");
promise_test(async t => {
const test_container = await setup_test();
const host1 = test_container.querySelector("#host1");
const new_label = document.createElement("label");
new_label.id = "label1";
new_label.textContent = "New label";
host1.shadowRoot.append(new_label);
assert_equals(await test_driver.get_computed_label(input1), "Label 1");
}, "The existing label supercedes new element (with same id as the existing label) appended to the shadow");
promise_test(async t => {
const test_container = await setup_test();
const host1 = test_container.querySelector("#host1");
host1.shadowRoot.referenceTarget = "label2";
assert_equals(await test_driver.get_computed_label(input1), "Label 2");
}, "Changing the reference target ID updates the computed label");
async function setup_nested_reference_target() {
const test_container = document.querySelector("#test-container");
test_container.setHTMLUnsafe(`
<div id="outer_host">
<template shadowrootmode="open" shadowrootreferencetarget="inner_host">
<span>shadow tree level 1</span>
<div id="inner_host">
<template shadowrootmode="open" shadowrootreferencetarget="real_label1">
<span>shadow tree level 2</span>
<label id="real_label1">Real Label 1</label>
<label id="real_label2">Real Label 2</label>
</template>
</div>
</template>
</div>
<input id="input1" aria-labelledby="outer_host">`);
const input1 = test_container.querySelector("#input1");
assert_equals(await test_driver.get_computed_label(input1), "Real Label 1");
return test_container
}
promise_test(async t => {
const test_container = await setup_nested_reference_target();
const outer_host = test_container.querySelector("#outer_host");
const inner_host = outer_host.shadowRoot.querySelector("#inner_host");
inner_host.shadowRoot.referenceTarget = "real_label2";
assert_equals(await test_driver.get_computed_label(input1), "Real Label 2");
}, "Changing the nested referenceTarget to reference a different element updates the computed label");
promise_test(async t => {
const test_container = await setup_nested_reference_target();
const outer_host = test_container.querySelector("#outer_host");
const inner_host = outer_host.shadowRoot.querySelector("#inner_host");
const real_label1 = inner_host.shadowRoot.querySelector("#real_label1");
real_label1.id = "new_id";
assert_equals(await test_driver.get_computed_label(input1), "");
}, "Changing the ID of the nested referenced element results in an empty computed label");
</script>
<label id="label2" for="x-input2">Input 2</label>
<x-input2 id="x-input2">
<template shadowrootmode="open" shadowrootreferencetarget="input2">
<input id="input2">
</template>
</x-input2>
<script>
promise_test(async t => {
const x_input = document.getElementById('x-input2');
const input = x_input.shadowRoot.getElementById('input2');
const label = document.getElementById('label2');
label.htmlFor = '';
assert_array_equals(Array.from(input['labels']), []);
label.htmlFor = x_input.id;
assert_array_equals(Array.from(input['labels']), [label]);
}, ".labels property is updated when for attribute changes on label outside of shadow root");
</script>
<label id="label3" for="x-input3">Input 3</label>
<x-input3 id="x-input3">
<template shadowrootmode="open" shadowrootreferencetarget="input3">
<input id="input3">
</template>
</x-input3>
<script>
promise_test(async t => {
const x_input = document.getElementById('x-input3');
const input = x_input.shadowRoot.getElementById('input3');
const label = document.getElementById('label3');
x_input.removeAttribute('id');
assert_array_equals(Array.from(input['labels']), []);
x_input.id = label.htmlFor;
assert_array_equals(Array.from(input['labels']), [label]);
}, ".labels property is updated when ID changes on input");
</script>
<label id="label4" for="x-input4">Input 4</label>
<x-input4 id="x-input4">
<template shadowrootmode="open" shadowrootreferencetarget="input4">
<input id="input4">
</template>
</x-input4>
<script>
promise_test(async t => {
const x_input = document.getElementById('x-input4');
const input = x_input.shadowRoot.getElementById('input4');
const label = document.getElementById('label4');
x_input.shadowRoot.referenceTarget = null;
assert_array_equals(Array.from(input['labels']), []);
x_input.shadowRoot.referenceTarget = input.id;
assert_array_equals(Array.from(input['labels']), [label]);
}, ".labels property is updated when reference target changes on shadow root");
</script>
<label id="label5-A">A
<x-input5 id="x-input5">
<template shadowrootmode="open" shadowrootreferencetarget="input5">
<input id="input5">
</template>
</x-input5>
</label>
<label id="label5-B"></label>
<script>
promise_test(async t => {
const x_input = document.getElementById('x-input5');
const input = x_input.shadowRoot.getElementById('input5');
const A = document.getElementById('label5-A');
assert_array_equals(Array.from(input['labels']), [A]);
const B = document.getElementById('label5-B');
B.appendChild(x_input);
assert_array_equals(Array.from(input['labels']), [B]);
}, ".labels property is updated when wrapped label changes");
</script>
</body>
</html>
|
