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
|
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Selector Invalidation: :has() in sibling position</title>
<link rel="author" title="Antti Koivisto" href="mailto:antti@apple.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://drafts.csswg.org/selectors/#relational">
<style>
div, main { color: grey }
div:has(.test) ~ #subject { color: red }
div:has([test_attr]) ~ #subject { color: orangered }
div:has(> .test) ~ #subject { color: green }
div:has(> [test_attr]) ~ #subject { color: lightgreen }
div:has(~ .test) ~ #subject { color: yellow }
div:has(~ [test_attr]) ~ #subject { color: ivory }
div:has(+ .test) ~ #subject { color: blue }
div:has(+ [test_attr]) ~ #subject { color: skyblue }
div:has(~ div .test) ~ #subject { color: purple }
div:has(~ div [test_attr]) ~ #subject { color: violet }
div:has(+ div .test) ~ #subject { color: pink }
div:has(+ div [test_attr]) ~ #subject { color: lightpink }
</style>
<main id=main>
<div id=previous_sibling>
<div id=previous_sibling_child>
<div id=previous_sibling_descendant></div>
</div>
</div>
<div id=subject></div>
<div id=next_sibling>
<div id=next_sibling_child>
<div id=next_sibling_descendant></div>
</div>
</div>
</main>
<script>
const grey = 'rgb(128, 128, 128)';
const red = 'rgb(255, 0, 0)';
const orangered = 'rgb(255, 69, 0)';
const green = 'rgb(0, 128, 0)';
const lightgreen = 'rgb(144, 238, 144)';
const blue = 'rgb(0, 0, 255)';
const skyblue = 'rgb(135, 206, 235)';
const yellow = 'rgb(255, 255, 0)';
const ivory = 'rgb(255, 255, 240)';
const purple = 'rgb(128, 0, 128)';
const violet = 'rgb(238, 130, 238)';
const pink = 'rgb(255, 192, 203)';
const lightpink = 'rgb(255, 182, 193)';
const colors = {
grey: {
classTest: grey,
attributeTest: grey,
},
red: {
classTest: red,
attributeTest: orangered,
},
green: {
classTest: green,
attributeTest: lightgreen,
},
blue: {
classTest: blue,
attributeTest: skyblue,
},
yellow: {
classTest: yellow,
attributeTest: ivory,
},
purple: {
classTest: purple,
attributeTest: violet,
},
pink: {
classTest: pink,
attributeTest: lightpink,
},
};
function testColor(test_name, color) {
test(function() {
assert_equals(getComputedStyle(subject).color, color);
}, test_name);
}
function testClassChange(element, expectedColorName)
{
const expectedColorForClassTest = colors[expectedColorName].classTest;
element.classList.add('test');
testColor(`add .test to ${element.id}`, expectedColorForClassTest);
element.classList.remove('test');
testColor(`remove .test from ${element.id}`, grey);
}
function testElementInsertionBefore(beforeElement, expectedColorName)
{
const expectedColorForClassTest = colors[expectedColorName].classTest;
const expectedColorForAttributeTest = colors[expectedColorName].attributeTest;
const newElement = document.createElement('div');
newElement.classList.add('test')
beforeElement.before(newElement);
testColor(`insert element div.test before ${beforeElement.id}`, expectedColorForClassTest);
newElement.classList.remove('test');
testColor(`remove the class 'test' from the element inserted before ${beforeElement.id}`, grey);
newElement.classList.add('test');
testColor(`add the class 'test' again to the element inserted before ${beforeElement.id}`, expectedColorForClassTest);
newElement.remove();
testColor(`remove element div.test before ${beforeElement.id}`, grey);
newElement.classList.remove('test')
beforeElement.before(newElement);
testColor(`insert element div before ${beforeElement.id}`, grey);
newElement.classList.add('test');
testColor(`add the class 'test' to the element inserted again before ${beforeElement.id}`, expectedColorForClassTest);
newElement.classList.remove('test');
testColor(`remove the class 'test' from the element inserted again before ${beforeElement.id}`, grey);
newElement.remove();
testColor(`remove element div before ${beforeElement.id}`, grey);
newElement.setAttribute('test_attr', '');
beforeElement.before(newElement);
testColor(`insert element div[test_attr] before ${beforeElement.id}`, expectedColorForAttributeTest);
newElement.remove();
testColor(`remove element div[test_attr] before ${beforeElement.id}`, grey);
}
function testElementInsertionAfter(afterElement, expectedColorName)
{
const expectedColorForClassTest = colors[expectedColorName].classTest;
const expectedColorForAttributeTest = colors[expectedColorName].attributeTest;
const newElement = document.createElement('div');
newElement.classList.add('test')
afterElement.after(newElement);
testColor(`insert element div.test after ${afterElement.id}`, expectedColorForClassTest);
newElement.classList.remove('test');
testColor(`remove the class 'test' from the element inserted after ${afterElement.id}`, grey);
newElement.classList.add('test');
testColor(`add the class 'test' again to the element inserted after ${afterElement.id}`, expectedColorForClassTest);
newElement.remove();
testColor(`remove element div.test after ${afterElement.id}`, grey);
newElement.classList.remove('test');
afterElement.after(newElement);
testColor(`insert element div after ${afterElement.id}`, grey);
newElement.classList.add('test');
testColor(`add the class 'test' to the element inserted again after ${afterElement.id}`, expectedColorForClassTest);
newElement.classList.remove('test');
testColor(`remove the class 'test' from the element inserted again after ${afterElement.id}`, grey);
newElement.remove();
testColor(`remove element div after ${afterElement.id}`, grey);
newElement.setAttribute('test_attr', '');
afterElement.after(newElement);
testColor(`insert element div[test_attr] after ${afterElement.id}`, expectedColorForAttributeTest);
newElement.remove();
testColor(`remove element div[test_attr] after ${afterElement.id}`, grey);
}
function testTreeInsertionBefore(beforeElement, expectedColorName)
{
const expectedColorForClassTest = colors[expectedColorName].classTest;
const expectedColorForAttributeTest = colors[expectedColorName].attributeTest;
const newElement = document.createElement('div');
const newChild = document.createElement('div');
newChild.classList.add('test');
newElement.appendChild(newChild);
beforeElement.before(newElement);
testColor(`insert tree div>div.test before ${beforeElement.id}`, expectedColorForClassTest);
newChild.classList.remove('test');
testColor(`remove the class 'test' from the element in the tree inserted before ${beforeElement.id}`, grey);
newChild.classList.add('test');
testColor(`add the class 'test' again to the element in the tree inserted before ${beforeElement.id}`, expectedColorForClassTest);
newElement.remove();
testColor(`remove tree div>div.test before ${beforeElement.id}`, grey);
newChild.classList.remove('test');
beforeElement.before(newElement);
testColor(`insert tree div>div before ${beforeElement.id}`, grey);
newChild.classList.add('test');
testColor(`add the class 'test' to the element in the tree inserted again before ${beforeElement.id}`, expectedColorForClassTest);
newChild.classList.remove('test');
testColor(`remove the class 'test' from the element in the tree inserted again before ${beforeElement.id}`, grey);
newElement.remove();
testColor(`remove tree div>div before ${beforeElement.id}`, grey);
newChild.setAttribute('test_attr', '');
beforeElement.before(newElement);
testColor(`insert element div>div[test_attr] before ${beforeElement.id}`, expectedColorForAttributeTest);
newElement.remove();
testColor(`remove element div>div[test_attr] before ${beforeElement.id}`, grey);
}
function testTreeInsertionAfter(afterElement, expectedColorName)
{
const expectedColorForClassTest = colors[expectedColorName].classTest;
const expectedColorForAttributeTest = colors[expectedColorName].attributeTest;
const newElement = document.createElement('div');
const newChild = document.createElement('div');
newChild.classList.add('test');
newElement.appendChild(newChild);
afterElement.after(newElement);
testColor(`insert tree div>div.test after ${afterElement.id}`, expectedColorForClassTest);
newChild.classList.remove('test');
testColor(`remove the class 'test' from the element in the tree inserted after ${afterElement.id}`, grey);
newChild.classList.add('test');
testColor(`add the class 'test' again to the element in the tree inserted after ${afterElement.id}`, expectedColorForClassTest);
newElement.remove();
testColor(`remove tree div>div.test after ${afterElement.id}`, grey);
newChild.classList.remove('test');
afterElement.after(newElement);
testColor(`insert tree div>div after ${afterElement.id}`, grey);
newChild.classList.add('test');
testColor(`add the class 'test' to the element in the tree inserted again after ${afterElement.id}`, expectedColorForClassTest);
newChild.classList.remove('test');
testColor(`remove the class 'test' from the element in the tree inserted again after ${afterElement.id}`, grey);
newElement.remove();
testColor(`remove tree div>div after ${afterElement.id}`, grey);
newChild.setAttribute('test_attr', '');
afterElement.after(newElement);
testColor(`insert element div>div[test_attr] after ${afterElement.id}`, expectedColorForAttributeTest);
newElement.remove();
testColor(`remove element div>div[test_attr] after ${afterElement.id}`, grey);
}
testColor('Initial color', grey);
testClassChange(previous_sibling, "grey");
testClassChange(previous_sibling_child, "green");
testClassChange(previous_sibling_descendant, "red");
testClassChange(subject, "blue");
testClassChange(next_sibling, "yellow");
testClassChange(next_sibling_child, "purple");
testClassChange(next_sibling_descendant, "purple");
testElementInsertionBefore(previous_sibling, "grey");
testElementInsertionBefore(previous_sibling_child, "green");
testElementInsertionBefore(previous_sibling_descendant, "red");
testElementInsertionBefore(subject, "blue");
testElementInsertionBefore(next_sibling, "yellow");
testElementInsertionBefore(next_sibling_child, "purple");
testElementInsertionBefore(next_sibling_descendant, "purple");
testElementInsertionAfter(previous_sibling, "blue");
testElementInsertionAfter(previous_sibling_child, "green");
testElementInsertionAfter(previous_sibling_descendant, "red");
testElementInsertionAfter(subject, "yellow");
testElementInsertionAfter(next_sibling, "yellow");
testElementInsertionAfter(next_sibling_child, "purple");
testElementInsertionAfter(next_sibling_descendant, "purple");
testTreeInsertionBefore(previous_sibling, "green");
testTreeInsertionBefore(previous_sibling_child, "red");
testTreeInsertionBefore(previous_sibling_descendant, "red");
testTreeInsertionBefore(subject, "pink");
testTreeInsertionBefore(next_sibling, "purple");
testTreeInsertionBefore(next_sibling_child, "purple");
testTreeInsertionBefore(next_sibling_descendant, "purple");
testTreeInsertionAfter(previous_sibling, "pink");
testTreeInsertionAfter(previous_sibling_child, "red");
testTreeInsertionAfter(previous_sibling_descendant, "red");
testTreeInsertionAfter(subject, "purple");
testTreeInsertionAfter(next_sibling, "purple");
testTreeInsertionAfter(next_sibling_child, "purple");
testTreeInsertionAfter(next_sibling_descendant, "purple");
</script>
|