94 lines
3.9 KiB
HTML
94 lines
3.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<title>CSS aspect-ratio: Test flex item's resolved height/min-height with border-box box-sizing in a column flex container</title>
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<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
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<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
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<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">
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<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio-minimum">
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<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#min-size-auto">
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<link rel="match" href="../../reference/ref-filled-green-200px-square.html" />
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<style>
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.flexContainer {
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display: flex;
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flex-direction: column;
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float: left;
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height: 1px;
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}
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.item {
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background: green;
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padding-left: 15px;
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padding-top: 10px;
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box-sizing: border-box;
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}
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.item > div {
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height: 190px; /* Set the content size suggestion for flex item. */
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}
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</style>
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<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
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<!-- In all of the subtests here, each flex item's automatic minimum height is
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resolved directly from its content size suggestion. Notably, these items
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*do not* get a "transferred size suggestion", because they are all
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*non-replaced* elements; and "transferred size suggestion" is only used
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for resolving automatic minimum sizes on *replaced* elements. However,
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note that we do "transfer" sizes through the aspect ratio, as part of
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computing the content size suggestion and/or flex base size. -->
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<!-- In the following four flex containers, the aspect-ratio works with border-box. -->
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<div class="flexContainer" style="height: auto;">
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<!-- The border-box width 25px is transferred to the main axis,
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yielding a resolved flex base size (border-box) of 200px. -->
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<div class="item" style="min-height:0; width: 25px; aspect-ratio: 1/8;"><div></div></div>
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</div>
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<div class="flexContainer">
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<!-- The content size suggestion is 190px, i.e. the height of the item's
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child div. -->
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<div class="item" style="width: 25px; aspect-ratio: 1/1;"><div></div></div>
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</div>
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<div class="flexContainer">
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<!-- The content size suggestion is 190px, i.e. the height of the item's
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child div. -->
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<div class="item" style="min-width: 25px; aspect-ratio: 1/1;"><div></div></div>
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</div>
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<div class="flexContainer">
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<!-- The content size suggestion is 200px because the border-box max-width
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25px is transferred to the main axis as the upper bound of its
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border-box height. -->
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<div class="item" style="max-width: 25px; width: 100px; aspect-ratio: 1/8;">
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<div style="height: 500px"></div>
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</div>
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</div>
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<!-- In the following four flex containers, the aspect-ratio works with content-box
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because its value contains 'auto'. -->
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<div class="flexContainer" style="height: auto;">
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<!-- The content-box width 10px is transferred to the main axis,
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yielding a resolved flex base size (content-box) of 190px. -->
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<div class="item" style="min-height:0; width: 25px; aspect-ratio: auto 1/19;"><div></div></div>
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</div>
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<div class="flexContainer">
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<!-- The content size suggestion is 190px, i.e. the height of the item's
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child div. -->
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<div class="item" style="width: 25px; aspect-ratio: auto 1/1;"><div></div></div>
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</div>
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<div class="flexContainer">
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<!-- The content size suggestion is 190px, i.e. the height of the item's
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child div. -->
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<div class="item" style="min-width: 25px; aspect-ratio: auto 1/1;"><div></div></div>
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</div>
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<div class="flexContainer">
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<!-- The content size suggestion is 190px because the content-box max-width
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10px is transferred to the main axis as the upper bound of its
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content-box height.-->
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<div class="item" style="max-width: 25px; width: 100px; aspect-ratio: auto 1/19;">
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<div style="height: 500px"></div>
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</div>
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</div>
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</html>
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