File: calc-rounding-001.html

package info (click to toggle)
firefox-esr 91.13.0esr-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,375,652 kB
  • sloc: cpp: 5,762,054; javascript: 5,481,714; ansic: 3,121,191; python: 851,492; asm: 331,172; xml: 178,949; java: 155,554; sh: 63,704; makefile: 20,127; perl: 12,825; yacc: 4,583; cs: 3,846; objc: 3,026; lex: 1,720; exp: 762; pascal: 635; php: 436; lisp: 260; awk: 231; ruby: 103; sed: 53; sql: 46; csh: 45
file content (43 lines) | stat: -rw-r--r-- 1,175 bytes parent folder | download | duplicates (14) 
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
 
<!doctype html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<meta charset="utf-8">
<title>CSS Test: calc rounding doesn't accumulate a lot of error.</title>
<link rel="author" href="mailto:mats@mozilla.com" title="Mats Palmgren">
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1323735">
<link rel="help" href="https://drafts.csswg.org/css-values/#funcdef-calc">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
body {
  background: #f3f5f6;
}

div {
  font-size: 15px;
  width: 401px;
  margin: 20px;
  background: #fff;
  display: flex;
  flex-wrap: wrap;
}

b {
  height: 50px;
  background: red;
  width: calc((100% - 4.5em) / 4); /* .5em gutters */
}

b:not(:last-child) {
  margin-right: 1.5em;
}
</style>
<div><b></b><b></b><b></b><b></b></div>
<script>
  test(function() {
    assert_equals(document.querySelector("div").offsetHeight, 50);
  }, "calc() doesn't accumulate much error that makes flex items overflow");
</script>