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
|
<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Values and Units: serialization of calc() specified values: 19 arithmetical operations (complex)</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="https://www.w3.org/TR/css-values-4/#calc-serialize">
<meta content="" name="flags">
<meta content="This test verifies how 19 arithmetical operations of mixed length units in calc() specified values are serialized. Absolute length units (cm, in, mm, pc, pt, q, px), font-relative length units (ex, em, rem), viewport-percentage length units (vh, vmax, vmin, vw) and percentage units are tested. 12 additions, 6 substractions and 1 division are tested." name="assert">
<!--
Issue 1050968: CSS calc and other math function serialization doesn't follow the spec
https://bugs.chromium.org/p/chromium/issues/detail?id=1050968
-->
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="target"></div>
<script>
function startTesting()
{
var targetElement = document.getElementById("target");
function verifySerialization(specified_value, serialization_expected, description)
{
test(function()
{
targetElement.style.height = specified_value;
assert_equals(targetElement.style.height, serialization_expected);
}, description);
}
/*
"
If nodes contains a number, remove it from nodes and append it to ret.
If nodes contains a percentage, remove it from nodes and append it to ret.
If nodes contains any dimensions, remove them from nodes, sort them by their units, ordered ASCII case-insensitively, and append them to ret.
If nodes still contains any items, append them to ret in the same order.
"
https://www.w3.org/TR/css-values-4/#calc-serialize
*/
/* 12 Additions */
verifySerialization("calc(1vh + 2px + 3%)", "calc(3% + 2px + 1vh)", "testing calc(1vh + 2px + 3%)");
verifySerialization("calc(4px + 1vh)", "calc(4px + 1vh)", "testing calc(4px + 1vh)");
verifySerialization("calc(5px + 6em + 1vh)", "calc(6em + 5px + 1vh)", "testing calc(5px + 6em + 1vh)");
verifySerialization("calc(-8px + 9em + 1vh)", "calc(9em - 8px + 1vh)", "testing calc(-8px + 9em + 1vh)");
verifySerialization("calc(1pc + 1in + 1vh + 10%)", "calc(10% + 112px + 1vh)", "testing calc(1pc + 1in + 1vh + 10%)");
verifySerialization("calc(25.4q + 1vh + 12%)", "calc(12% + 24px + 1vh)", "testing calc(25.4q + 1vh + 12%)");
verifySerialization("calc(1em + 1.27cm + 13% + 3em)", "calc(13% + 4em + 48px)", "testing calc(1em + 1.27cm + 13% + 3em)");
/* verifySerialization(specified_value, serialization_expected, description) */
verifySerialization("calc(15vw + 16vmin - 17vh)", "calc(-17vh + 16vmin + 15vw)", "testing calc(15vw + 16vmin - 17vh)");
verifySerialization("calc(9pt + calc(9rem + 10px))", "calc(22px + 9rem)", "testing calc(9pt + calc(9rem + 10px))");
verifySerialization("calc(5pt + 5em + 4pt + 3em)", "calc(8em + 12px)", "testing calc(5pt + 5em + 4pt + 3em)");
verifySerialization("calc(4vmin + 0pt + 3pc)", "calc(48px + 4vmin)", "testing calc(4vmin + 0pt + 3pc)");
verifySerialization("calc(4vmin + 0pt)", "calc(0px + 4vmin)", "testing calc(4vmin + 0pt)");
/*
More info on the calc(4vmin + 0pt) sub-test:
https://github.com/web-platform-tests/wpt/pull/38245#issuecomment-1464215777
Date: March 10th 2023
*/
/* 6 Substractions */
verifySerialization("calc(100% - 100% + 1em)", "calc(0% + 1em)", "testing calc(100% - 100% + 1em)");
verifySerialization("calc(100% + 1em - 100%)", "calc(0% + 1em)", "testing calc(100% + 1em - 100%)");
verifySerialization("calc(1vh - 7px)", "calc(-7px + 1vh)", "testing calc(1vh - 7px)");
verifySerialization("calc(5ex - 9ex)", "calc(-4ex)", "testing calc(5ex - 9ex)");
/*
An out-of-range value inside calc() is not syntactically invalid.
Inside a calc() function, the resulting summation value can be
out of range and can be serialized.
*/
verifySerialization("calc(-80px + 25.4mm)", "calc(16px)", "testing calc(-80px + 25.4mm)");
/* verifySerialization(specified_value, serialization_expected, description) */
verifySerialization("calc(1vmin - 14%)", "calc(-14% + 1vmin)", "testing calc(1vmin - 14%)");
/* 1 Multiplication and division */
verifySerialization("calc(4 * 3px + 4pc / 8)", "calc(20px)", "testing calc(4 * 3px + 4pc / 8)");
/*
This calc(4 * 3px + 4pc / 8) test is on purpose last. We want the
div#target to occupy 20px and to not cause document box height
to be unneedlessly tall.
*/
}
startTesting();
</script>
|
