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Fix work list order after split_line_at_last_known_good_position

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This fixes a bug in line splitting caused by the following actions when
`LineBreaker::split_line_at_last_known_good_position` is called:

1. Push some number of previous fragments onto the front of the work list.
2. Push the current fragment back onto the front work list.

This resulted in the work list being out of order.  The correct order is
action 2 followed by action 1.  Fixes #9830.
This commit is contained in:
Matt Brubeck 2016-03-10 13:55:56 -08:00
parent 740965e39f
commit 1e7d60e7b7
4 changed files with 77 additions and 16 deletions
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24
tests/wpt/mozilla/meta/MANIFEST.json
View file

@ -2732,6 +2732,18 @@
"url": "/_mozilla/css/li_absolute_containing_block_a.html"
}
],
"css/line_break_nowrap.html": [
{
"path": "css/line_break_nowrap.html",
"references": [
[
"/_mozilla/css/line_break_nowrap_ref.html",
"=="
]
],
"url": "/_mozilla/css/line_break_nowrap.html"
}
],
"css/line_breaking_whitespace_collapse_a.html": [
{
"path": "css/line_breaking_whitespace_collapse_a.html",
@ -8920,6 +8932,18 @@
"url": "/_mozilla/css/li_absolute_containing_block_a.html"
}
],
"css/line_break_nowrap.html": [
{
"path": "css/line_break_nowrap.html",
"references": [
[
"/_mozilla/css/line_break_nowrap_ref.html",
"=="
]
],
"url": "/_mozilla/css/line_break_nowrap.html"
}
],
"css/line_breaking_whitespace_collapse_a.html": [
{
"path": "css/line_breaking_whitespace_collapse_a.html",

23
tests/wpt/mozilla/tests/css/line_break_nowrap.html Normal file
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@ -0,0 +1,23 @@
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>nowrap line-breaking test</title>
<link rel="match" href="line_break_nowrap_ref.html">
<style>
body {
font-family: 'ahem';
width: 25em;
}
span {
white-space: nowrap;
}
</style>
</head>
<body>
<span>hello world</span>
<span>hello world</span>
<span>hello world</span>
<span>hello world</span>
</body>
</html>

16
tests/wpt/mozilla/tests/css/line_break_nowrap_ref.html Normal file
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@ -0,0 +1,16 @@
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>nowrap line-breaking reference</title>
<style>
body { font-family: 'ahem'; }
</style>
</head>
<body>
<div>
hello world hello world<br>
hello world hello world
</div>
</body>
</html>