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
|
<!DOCTYPE html>
<meta charset="UTF-8">
<title>font-variation-settings interpolation</title>
<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#propdef-font-variation-settings">
<meta name="assert" content="font-variation-settings supports animation pairwise by 'like' properties">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
font-variation-settings: "test" 30;
}
.target {
font-variation-settings: "test" 10;
}
</style>
<body></body>
<script>
// Because font-variation-settings is specced as a map rather than a list
// (https://github.com/w3c/csswg-drafts/issues/1959), browsers are allowed to
// reorder the output as they see fit.
function compareFontVariationSettings(actual, expected) {
// This is not perfect, but should serve as a reasonable comparison. We split
// the inputs into arrays and trim each characteristic, then sort the array
// and compare them.
const actual_arr = actual.split(',').map(x => x.trim()).sort();
const expected_arr = expected.split(',').map(x => x.trim()).sort();
assert_array_equals(actual_arr, expected_arr);
}
test_interpolation({
property: 'font-variation-settings',
from: neutralKeyframe,
to: '"test" 20',
comparisonFunction: compareFontVariationSettings,
}, [
{at: -0.5, expect: "'test' 5"},
{at: 0, expect: "'test' 10"},
{at: 0.3, expect: "'test' 13"},
{at: 0.7, expect: "'test' 17"},
{at: 1, expect: "'test' 20"},
{at: 1.5, expect: "'test' 25"},
]);
test_no_interpolation({
property: 'font-variation-settings',
from: 'initial',
to: "'test' 50",
});
test_interpolation({
property: 'font-variation-settings',
from: 'inherit',
to: "'test' 20",
comparisonFunction: compareFontVariationSettings,
}, [
{at: -0.5, expect: "'test' 35"},
{at: 0, expect: "'test' 30"},
{at: 0.3, expect: "'test' 27"},
{at: 0.7, expect: "'test' 23"},
{at: 1, expect: "'test' 20"},
{at: 1.5, expect: "'test' 15"},
]);
test_interpolation({
property: 'font-variation-settings',
from: 'unset',
to: "'test' 20",
comparisonFunction: compareFontVariationSettings,
}, [
{at: -0.5, expect: "'test' 35"},
{at: 0, expect: "'test' 30"},
{at: 0.3, expect: "'test' 27"},
{at: 0.7, expect: "'test' 23"},
{at: 1, expect: "'test' 20"},
{at: 1.5, expect: "'test' 15"},
]);
test_no_interpolation({
property: 'font-variation-settings',
from: "'test' 20",
to: "normal",
});
test_interpolation({
property: 'font-variation-settings',
from: "'test' 20",
to: "'test' 30",
comparisonFunction: compareFontVariationSettings,
}, [
{at: -0.5, expect: "'test' 15"},
{at: 0, expect: "'test' 20"},
{at: 0.3, expect: "'test' 23"},
{at: 0.7, expect: "'test' 27"},
{at: 1, expect: "'test' 30"},
{at: 1.5, expect: "'test' 35"},
]);
test_interpolation({
property: 'font-variation-settings',
from: "'aaaa' 0, 'bbbb' 10, 'cccc' 20",
to: "'aaaa' 10, 'bbbb' 20, 'cccc' 30",
comparisonFunction: compareFontVariationSettings,
}, [
{at: -0.5, expect: "'aaaa' -5, 'bbbb' 5, 'cccc' 15"},
{at: 0, expect: "'aaaa' 0, 'bbbb' 10, 'cccc' 20"},
{at: 0.3, expect: "'aaaa' 3, 'bbbb' 13, 'cccc' 23"},
{at: 0.7, expect: "'aaaa' 7, 'bbbb' 17, 'cccc' 27"},
{at: 1, expect: "'aaaa' 10, 'bbbb' 20, 'cccc' 30"},
{at: 1.5, expect: "'aaaa' 15, 'bbbb' 25, 'cccc' 35"},
]);
// font-variation-settings is a map, so any order works.
test_interpolation({
property: 'font-variation-settings',
from: "'aaaa' 0, 'bbbb' 10, 'cccc' 20",
to: "'cccc' 10, 'bbbb' 20, 'aaaa' 30",
comparisonFunction: compareFontVariationSettings,
}, [
{at: -0.5, expect: "'aaaa' -15, 'bbbb' 5, 'cccc' 25"},
{at: 0, expect: "'aaaa' 0, 'bbbb' 10, 'cccc' 20"},
{at: 0.3, expect: "'aaaa' 9, 'bbbb' 13, 'cccc' 17"},
{at: 0.7, expect: "'aaaa' 21, 'bbbb' 17, 'cccc' 13"},
{at: 1, expect: "'aaaa' 30, 'bbbb' 20, 'cccc' 10"},
{at: 1.5, expect: "'aaaa' 45, 'bbbb' 25, 'cccc' 5"},
]);
test_no_interpolation({
property: 'font-variation-settings',
from: "'aaaa' 0, 'bbbb' 10",
to: "'aaaa' 10, 'bbbb' 20, 'cccc' 30",
});
test_no_interpolation({
property: 'font-variation-settings',
from: "'aaaa' 10, 'bbbb' 20, 'cccc' 30",
to: "'aaaa' 0, 'bbbb' 10",
});
test_no_interpolation({
property: 'font-variation-settings',
from: "'aaaa' 0, 'bbbb' 10, 'cccc' 20",
to: "'dddd' 10, 'eeee' 20, 'ffff' 30",
});
// crbug.com/910118: Test that ApplyStandardPropertyValue doesn't overflow.
test_interpolation({
property: 'font-variation-settings',
from: "'aaaa' 30, 'bbbb' 20",
to: "'aaaa' 20, 'bbbb' 30",
comparisonFunction: compareFontVariationSettings,
}, [
{at: 3.40282e+38, expect: "'aaaa' -3.40282e+38, 'bbbb' 3.40282e+38"},
]);
</script>
|
