mozilla-central/testing/web-platform/tests/css/css-page/margin-boxes/dimensions-008-print.html

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Test Info:

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<meta name="assert" content="Test auto lengths. Min content sizes are larger than available size. No center/middle boxes.">
<meta name="flags" content="ahem">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<link rel="match" href="dimensions-008-print-ref.html">
<style>
@page {
margin: 6em;
width: 20em;
height: 16em;
font: 16px/1 Ahem;
white-space: pre-wrap;
/* Total min size is larger than available size. Shrink proportionally to
min sizes. */
/* Left margin box min: 18em
Right margin box min: 6em
Flex will be the same as min. Total flex: 18+6=24
Available space: 20em
Unused space: 20em - 24em = -4em
Left width: 18em + (-4em) * 18/24 = 15em
Right width: 6em + (-4em) * 6/24 = 5em */
@top-left {
text-align: left;
vertical-align: top;
content: "xxxxxxxxxxxxxxxxxx x";
margin-bottom: 3em;
background: hotpink;
}
@top-right {
text-align: left;
vertical-align: top;
margin-top: 3em;
content: "xxxxxx xxx";
background: yellow;
}
/* Top margin box min: 18em (18 lines)
Bottom margin box min: 30em (30 lines)
Flex will be the same as min. Total flex: 18+30=48
Available space: 16em
Unused space: 16em - 48em = -32em
Top height: 18em + (-32em) * 18/48 = 6em
Bottom height: 30em + (-32em) * 30/48 = 10em */
@left-top {
text-align: left;
vertical-align: top;
margin-right: 3em;
content: "x\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\a";
background: hotpink;
}
@left-bottom {
text-align: left;
vertical-align: top;
margin-left: 3em;
content: "x\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\ax\a";
background: yellow;
}
</style>