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101 lines
No EOL
4 KiB
HTML
101 lines
No EOL
4 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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--><html xmlns="http://www.w3.org/1999/xhtml"><head>
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<meta charset="utf-8" />
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<title>CSS Test: Testing min-height:auto</title>
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<link href="mailto:dholbert@mozilla.com" rel="author" title="Daniel Holbert" />
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<link href="http://www.w3.org/TR/css-flexbox-1/#min-size-auto" rel="help" />
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<link href="reference/flexbox-min-height-auto-001-ref.xht" rel="match" />
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<!--
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This testcase tests the used value of "min-height:auto" (the property's
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initial value) on flex items in a vertical flex container.
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It's supposed to resolve to the smallest of:
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a) The used 'flex-basis' (taken from 'height'), if 'flex-basis' is at its
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initial value.
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b) The computed 'max-height' property
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c) If there's no intrinsic aspect ratio: the item's min-content height.
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d) If there is an intrinsic aspect ratio: the item's height derived from
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the ratio & constraints in the other dimension.
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We measure what the used value is by putting flex items in a small flex
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container, which will shrink its items down to their min-height.
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This test checks for situations where we should resolve the min-height as
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(a), (b), or (c) above. Another test will check (d).
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-->
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<style>
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.flexbox {
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display: flex;
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flex-direction: column;
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height: 1px; /* No available space; shrink flex items to min-height */
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margin-right: 2px; /* (Just for spacing things out, visually) */
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float: left;
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}
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.flexbox > * {
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/* Flex items have purple border: */
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border: 2px dotted purple;
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}
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.flexbox > * > * {
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/* Flex items' contents are gray & fixed-size: */
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background: gray;
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width: 10px;
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height: 80px;
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}
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</style>
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</head>
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<body>
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<!-- Check for min-height:auto resolving correctly when the smallest
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candidate value is: -->
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<!-- *** (a) Used 'flex-basis' (from 'height') *** -->
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<!-- First, without definite max-height: -->
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<div class="flexbox">
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<div style="height: 50px"><div></div></div>
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</div>
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<!-- ...and now with definite (& large) 'max-height': -->
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<div class="flexbox">
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<div style="height: 50px; max-height: 120px;"><div></div></div>
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</div>
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<!-- ...and now with used 'flex-basis' being a calc expression:-->
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<div class="flexbox">
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<div style="height: calc(10% + 50px)"><div></div></div>
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</div>
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<!-- *** (b) The computed 'max-height' *** -->
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<!-- First, with a larger candidate 'flex-basis' value (from 'height') -->
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<div class="flexbox">
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<div style="height: 100px; max-height:50px"><div></div></div>
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</div>
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<!-- ...and now with a larger explicit 'flex-basis' value (which shouldn't
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be considered for 'min-height:auto' anyway) -->
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<div class="flexbox">
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<div style="flex-basis: 100px; max-height:50px"><div></div></div>
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</div>
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<!-- ...and now with a smaller explicit 'flex-basis' value (which shouldn't
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be considered for 'min-height:auto' anyway) -->
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<div class="flexbox">
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<div style="flex-basis: 10px; max-height:50px"><div></div></div>
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</div>
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<!-- *** (c) (no intrinsic aspect ratio) The min-content size *** -->
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<!-- First, with a larger candidate 'flex-basis' value (from 'height') -->
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<div class="flexbox">
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<div style="height: 100px"><div></div></div>
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</div>
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<!-- ...and now with a larger explicit 'flex-basis' value (which shouldn't
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be considered for 'min-height:auto' anyway) -->
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<div class="flexbox">
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<div style="flex-basis: 100px"><div></div></div>
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</div>
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<!-- ...and now with a smaller explicit 'flex-basis' value (which shouldn't
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be considered for 'min-height:auto' anyway) -->
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<div class="flexbox">
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<div style="flex-basis: 10px"><div></div></div>
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</div>
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</body></html> |