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
|
<!DOCTYPE html>
<meta charset="UTF-8">
<style>
.parent {
background-size: 100px 100px;
}
.target {
width: 80px;
height: 100px;
display: inline-block;
border: 10px solid black;
background-repeat: no-repeat;
background-image: url(../resources/stripes-100.png),
url(../resources/stripes-100.png),
url(../resources/blue-100.png),
url(../resources/green-100.png);
background-position: left top, right top, left bottom, right bottom;
background-size: 10px 10px;
}
.expected {
margin-right: 10px;
border-color: green;
}
</style>
<body>
<script src="resources/interpolation-test.js"></script>
<script>
// neutral
assertInterpolation({
property: 'background-size',
from: '',
to: '20px 20px, 0px 0px',
}, [
{at: -0.25, is: ' 7.5px 7.5px, 12.5px 12.5px, 7.5px 7.5px, 12.5px 12.5px'},
{at: 0, is: '10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px, 10.0px 10.0px'},
{at: 0.25, is: '12.5px 12.5px, 7.5px 7.5px, 12.5px 12.5px, 7.5px 7.5px'},
{at: 0.5, is: '15.0px 15.0px, 5.0px 5.0px, 15.0px 15.0px, 5.0px 5.0px'},
{at: 0.75, is: '17.5px 17.5px, 2.5px 2.5px, 17.5px 17.5px, 2.5px 2.5px'},
{at: 1, is: '20.0px 20.0px, 0.0px 0.0px, 20.0px 20.0px, 0.0px 0.0px'},
{at: 1.25, is: '22.5px 22.5px, 0.0px 0.0px, 22.5px 22.5px, 0.0px 0.0px'},
]);
// initial
// TODO(alancutter): Fix transitions: https://crbug.com/513127
assertNoInterpolation({
property: 'background-size',
from: 'initial',
to: '20px 20px, 0px 0px',
});
// inherit
assertInterpolation({
property: 'background-size',
from: 'inherit',
to: '20px 20px, 0px 0px',
}, [
{at: -0.25, is: '120px 120px, 125px 125px, 120px 120px, 125px 125px'},
{at: 0, is: '100px 100px, 100px 100px, 100px 100px, 100px 100px'},
{at: 0.25, is: ' 80px 80px, 75px 75px, 80px 80px, 75px 75px'},
{at: 0.5, is: ' 60px 60px, 50px 50px, 60px 60px, 50px 50px'},
{at: 0.75, is: ' 40px 40px, 25px 25px, 40px 40px, 25px 25px'},
{at: 1, is: ' 20px 20px, 0px 0px, 20px 20px, 0px 0px'},
{at: 1.25, is: ' 0px 0px, 0px 0px, 0px 0px, 0px 0px'},
]);
// unset
// TODO(alancutter): Fix transitions: https://crbug.com/513127
assertNoInterpolation({
property: 'background-size',
from: 'unset',
to: '20px 20px, 0px 0px',
});
// Matched keywords in size value list.
assertNoInterpolation({
property: 'background-size',
from: '0px 0px, 0px 0px, contain, cover',
to: '40px 40px, 40px 40px, contain, cover',
});
// Mismatched keywords in size value list.
assertNoInterpolation({
property: 'background-size',
from: '0px 0px, 0px 0px, contain, cover',
to: '40px 40px, 40px 40px, cover, contain',
});
// Equal number of size values as background images.
assertInterpolation({
property: 'background-size',
from: '0px 0px, 0px 0px, 0px 0px, 0px 0px',
to: '20px 20px, 40px 40px, 60px 60px, 100px 100px',
}, [
{at: -0.25, is: ' 0px 0px, 0px 0px, 0px 0px, 0px 0px'},
{at: 0, is: ' 0px 0px, 0px 0px, 0px 0px, 0px 0px'},
{at: 0.25, is: ' 5px 5px, 10px 10px, 15px 15px, 25px 25px'},
{at: 0.5, is: '10px 10px, 20px 20px, 30px 30px, 50px 50px'},
{at: 0.75, is: '15px 15px, 30px 30px, 45px 45px, 75px 75px'},
{at: 1, is: '20px 20px, 40px 40px, 60px 60px, 100px 100px'},
{at: 1.25, is: '25px 25px, 50px 50px, 75px 75px, 125px 125px'},
]);
// Single size value repeated over background images.
assertInterpolation({
property: 'background-size',
from: '0px 0px',
to: '80px 80px',
}, [
{at: -0.25, is: ' 0px 0px, 0px 0px, 0px 0px, 0px 0px'},
{at: 0, is: ' 0px 0px, 0px 0px, 0px 0px, 0px 0px'},
{at: 0.25, is: ' 20px 20px, 20px 20px, 20px 20px, 20px 20px'},
{at: 0.5, is: ' 40px 40px, 40px 40px, 40px 40px, 40px 40px'},
{at: 0.75, is: ' 60px 60px, 60px 60px, 60px 60px, 60px 60px'},
{at: 1, is: ' 80px 80px, 80px 80px, 80px 80px, 80px 80px'},
{at: 1.25, is: '100px 100px, 100px 100px, 100px 100px, 100px 100px'},
]);
// Mismatched numbers of size values.
assertInterpolation({
property: 'background-size',
from: '0px 0px, 80px 0px',
to: '40px 40px, 80px 80px, 0px 80px',
}, [
{at: -0.25, is: ' 0px 0px, 80px 0px, 0px 0px, 90px 0px'},
{at: 0, is: ' 0px 0px, 80px 0px, 0px 0px, 80px 0px'},
{at: 0.25, is: '10px 10px, 80px 20px, 0px 20px, 70px 10px'},
{at: 0.5, is: '20px 20px, 80px 40px, 0px 40px, 60px 20px'},
{at: 0.75, is: '30px 30px, 80px 60px, 0px 60px, 50px 30px'},
{at: 1, is: '40px 40px, 80px 80px, 0px 80px, 40px 40px'},
{at: 1.25, is: '50px 50px, 80px 100px, 0px 100px, 30px 50px'},
]);
</script>
</body>
|
