-
Notifications
You must be signed in to change notification settings - Fork 3.3k
/
Copy pathstyle-container-for-shadow-dom.html
260 lines (233 loc) · 7.03 KB
/
style-container-for-shadow-dom.html
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
<!doctype html>
<meta charset="utf-8">
<title>CSS Container Queries Test: style query container for Shadow DOM</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#query-container">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<div id="ancestor-across-root">
<div style="--foo: bar">
<template shadowrootmode="open">
<style>
@container style(--foo: bar) {
#t1 { color: green; }
}
</style>
<div id="t1"></div>
</template>
</div>
</div>
<div id="ancestor-slotting">
<div style="--foo: bar">
<template shadowrootmode="open">
<div style="--foo: baz">
<slot></slot>
</div>
</template>
<style>
@container style(--foo: baz) {
#t2 { color: green; }
}
</style>
<div id="t2"></div>
</div>
</div>
<div id="ancestor-slotted">
<div style="--foo: baz">
<template shadowrootmode="open">
<style>
@container style(--foo: bar) {
::slotted(#t3) { color: green; }
}
</style>
<slot style="--foo: bar"></slot>
</template>
<div id="t3"></div>
</div>
</div>
<div id="ancestor-host" style="--foo: bar">
<div id="t4">
<template shadowrootmode="open">
<style>
@container style(--foo: bar) {
:host(#t4) { color: green; }
}
</style>
</template>
</div>
</div>
<div id="ancestor-part">
<div style="--foo: bar">
<template shadowrootmode="open">
<div style="--foo: baz">
<span id="t5" part="part"></span>
</div>
</template>
<style>
@container style(--foo: baz) {
#ancestor-part > div::part(part) { color: green; }
}
</style>
</div>
</div>
<div id="ancestor-slotted-before">
<div>
<template shadowrootmode="open">
<style>
@container style(--foo: baz) {
::slotted(#t6)::before {
content: "X";
color: green;
}
}
</style>
<slot style="--foo: bar"></slot>
</template>
<div id="t6" style="--foo: baz"></div>
</div>
</div>
<div id="ancestor-host-before">
<div id="t7" style="--foo: bar">
<template shadowrootmode="open">
<style>
@container style(--foo: bar) {
:host(#t7)::before {
content: "X";
color: green;
}
}
</style>
</template>
</div>
</div>
<div id="ancestor-part-before">
<style>
@container style(--foo: quz) {
#ancestor-part-before > div::part(part)::before {
content: "X";
color: green;
}
}
</style>
<div style="--foo: bar">
<template shadowrootmode="open">
<div style="--foo: baz">
<span id="t8" part="part" style="--foo: quz"></span>
</div>
</template>
</div>
</div>
<div id="ancestor-inner-part">
<style>
@container style(--foo: quz) {
#ancestor-inner-part > div::part(inner-part) { color: green; }
}
</style>
<div style="--foo: bar">
<template shadowrootmode="open">
<div exportparts="inner-part" style="--foo: baz">
<template shadowrootmode="open">
<div style="--foo: quz">
<span id="t9" part="inner-part"></span>
</div>
</template>
</div>
</template>
</div>
</div>
<div id="ancestor-slot-fallback">
<div><template shadowrootmode="open">
<style>
@container style(--foo: bar) {
#t10 { color: green; }
}
</style>
<div>
<slot style="--foo: bar"><span id="t10"></span></slot>
</div>
</template></div>
</div>
<div id="container-for-part">
<div>
<template shadowrootmode="open">
<div style="--foo: bar">
<span id="t11" part="part"></span>
</div>
</template>
<style>
@container style(--foo: bar) {
#container-for-part > div::part(part) { color: green; }
}
</style>
</div>
</div>
<div id="inner-scope-host-part" style="--foo: bar">
<div>
<template shadowrootmode="open">
<style>
@container style(--foo: baz) {
:host::part(part) { color: green; }
}
</style>
<div style="--foo: baz">
<span id="t12" part="part"></span>
</div>
</template>
</div>
</div>
<script>
setup(() => {
assert_implements_style_container_queries();
});
const green = "rgb(0, 128, 0)";
test(() => {
const t1 = document.querySelector("#ancestor-across-root > div").shadowRoot.querySelector("#t1");
assert_equals(getComputedStyle(t1).color, green);
}, "Match container in outer tree");
test(() => {
const t2 = document.querySelector("#t2");
assert_equals(getComputedStyle(t2).color, green);
}, "Match container in the shadow tree for a host child in the host child's tree scope");
test(() => {
const t3 = document.querySelector("#t3");
assert_equals(getComputedStyle(t3).color, green);
}, "Match <slot> as a container for ::slotted element");
test(() => {
const t4 = document.querySelector("#t4");
assert_equals(getComputedStyle(t4).color, green);
}, "Match container in outer tree for :host");
test(() => {
const t5 = document.querySelector("#ancestor-part > div").shadowRoot.querySelector("#t5");
assert_equals(getComputedStyle(t5).color, green);
}, "Match ::part's parent in the shadow tree as the container for ::part");
test(() => {
const t6 = document.querySelector("#t6");
assert_equals(getComputedStyle(t6, "::before").color, green);
}, "Match ::slotted as a container for its ::before");
test(() => {
const t7 = document.querySelector("#t7");
assert_equals(getComputedStyle(t7, "::before").color, green);
}, "Match container in outer tree for :host::before");
test(() => {
const t8 = document.querySelector("#ancestor-part-before > div").shadowRoot.querySelector("#t8");
assert_equals(getComputedStyle(t8, "::before").color, green);
}, "Match the ::part as a container for ::before on ::part elements");
test(() => {
const outerhost = document.querySelector("#ancestor-inner-part > div");
const innerhost = outerhost.shadowRoot.querySelector("div");
const t9 = innerhost.shadowRoot.querySelector("#t9");
assert_equals(getComputedStyle(t9).color, green);
}, "Match container for ::part selector in inner shadow tree for exportparts");
test(() => {
const t10 = document.querySelector("#ancestor-slot-fallback > div").shadowRoot.querySelector("#t10");
assert_equals(getComputedStyle(t10).color, green);
}, "Match container for slot light tree child fallback");
test(() => {
const t11 = document.querySelector("#container-for-part > div").shadowRoot.querySelector("#t11");
assert_equals(getComputedStyle(t11).color, green);
}, "Should match parent container inside shadow tree for ::part()");
test(() => {
const t12 = document.querySelector("#inner-scope-host-part > div").shadowRoot.querySelector("#t12");
assert_equals(getComputedStyle(t12).color, green);
}, "A :host::part rule matching a container in the shadow tree");
</script>