File: dynamic-grid-flex-abspos.html

package info (click to toggle)
thunderbird 1%3A91.12.0-1~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 3,008,300 kB
  • sloc: cpp: 6,084,052; javascript: 4,790,441; ansic: 3,341,486; python: 862,958; asm: 366,542; xml: 204,277; java: 152,477; sh: 111,376; makefile: 21,388; perl: 15,312; yacc: 4,583; objc: 3,026; lex: 1,720; exp: 762; pascal: 635; awk: 564; sql: 453; php: 436; lisp: 432; ruby: 99; sed: 69; csh: 45
file content (82 lines) | stat: -rw-r--r-- 2,226 bytes parent folder | download | duplicates (19)
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
<!DOCTYPE html>
<title>grid items and abspos flex children</title>
<link rel="author" title="David Grogan" href="mailto:dgrogan@chromium.org" />
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#abspos-items">
<link rel="help" href="https://drafts.csswg.org/css-grid/#algo-overview" title="Note at bottom of this section: 'the size of a grid item which is stretched is also considered definite.'">
<link rel="bookmark" href="https://crbug.com/1091588" />
<link rel="bookmark" href="https://crbug.com/1018439" />

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>

<style>
.grid {
  display: grid;
}

.flexbox {
  display: flex;
}

.relpos {
  position: relative;
}

.abspos {
  position: absolute;
  border: 1px solid;
}

/* These are just for making the test look better. */
p {
  margin: 0px;
}
p + div {
  margin-bottom: 40px;
}
</style>

<p>This crashed Chrome 84.</p>
<div class=grid>
  <div class="relpos flexbox" data-expected-height=20>
    <div class=abspos>Test</div>
    <div style="height: 20px;"></div>
  </div>
</div>

<p>Outer is a regular div.</p>
<div>
  <div class="relpos flexbox" data-expected-height=20>
    <div class=abspos>Test</div>
    <div style="height: 20px;"></div>
  </div>
</div>

<p>relpos element is a regular div, not flexbox.</p>
<div class=grid>
  <div class="relpos" data-expected-height=20>
    <div class=abspos>Test</div>
    <div style="height: 20px;"></div>
  </div>
</div>

<p>Relpos flexbox has a % height descendant. The height of the flexbox grid item is supposed to be definite, allowing the %height flex item to resolve.

This fails in chrome because of https://crbug.com/1018439</p>
<div class=grid>
  <div class="relpos flexbox" data-expected-height=20>
    <div class=abspos>Test</div>
    <div style="height: 20px;"></div>
    <div style="height: 50%" data-expected-height=10></div>
  </div>
</div>

<script>
  checkLayout('.relpos');
  // Changing the abspos border shouldn't change the size of any inflow element.
  for (abspos of document.querySelectorAll(".abspos")) {
    abspos.style.borderWidth = "10px";
  }
  checkLayout('.relpos');
</script>