fune/testing/web-platform/tests/css/css-grid/layout-algorithm/grid-minimum-contribution-baseline-shim-vertical-lr.html
Oriol Brufau 8fceeb0628 Bug 1534391 [wpt PR 15511] - [css-grid] Always consider baseline shim for the minimum contribution, a=testonly
Automatic update from web-platform-tests
[css-grid] Always consider baseline shim for the minimum contribution

Before this patch, the shim used for baseline alignment is not taken
into consideration when calculating the minimum contribution of a grid
item if its preferred size is auto, its minimum size is auto, and the
max track sizing function is a fixed small value. In this case, the
auto minimum size can produce a smaller track than if it was 0.

The specification needs to clarify how baseline shims interact with
minimum contributions (https://github.com/w3c/csswg-drafts/issues/3660),
but the above doesn't make sense.

BUG=934535

TEST=external/wpt/css/css-grid/layout-algorithm/grid-minimum-contribution-baseline-shim.html

Change-Id: Iafd194ab7e5656b5018e0e36b915ba183bdedd19
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1481512
Commit-Queue: Oriol Brufau <obrufau@igalia.com>
Reviewed-by: Manuel Rego <rego@igalia.com>
Reviewed-by: Javier Fernandez <jfernandez@igalia.com>
Cr-Commit-Position: refs/heads/master@{#637299}

--

wpt-commits: c00bf09575cac952e206c2a7025ee7c84971180f
wpt-pr: 15511
2019-04-01 14:42:38 +01:00

96 lines
3.2 KiB
HTML

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: minimum contribution with baseline-alignment shim</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-grid/#algo-content" title="11.5. Resolve Intrinsic Track Sizes">
<meta name="assert" content="Checks that the minimum contribution takes the baseline-alignment shim into account when calculating the outer size that grid items would have if their preferred size were their minimum size. Also checks that the shim is used again when clamping the automatic minimum size to less than or equal to the stretch fit into the grid area.">
<style>
.grid {
display: grid;
position: relative;
font-size: 0;
height: 0;
width: 0;
margin-bottom: 125px;
grid-template-rows: 50px 50px;
justify-items: baseline;
}
.item1, .item2 {
writing-mode: vertical-lr;
}
.item1 {
padding-left: 25px;
background: yellow;
}
.item2 {
padding-right: 25px;
background: magenta;
}
.item1::before, .item2::before {
content: '';
display: inline-block;
width: 25px;
height: 25px;
vertical-align: top;
}
.item2::before {
vertical-align: bottom;
}
.area {
position: absolute;
z-index: -1;
left: 0;
right: 0;
top: 0;
bottom: 0;
grid-column: 1 / 2;
grid-row: 1 / 3;
background: cyan;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<div id="log"></div>
<div class="grid" style="grid-template-columns: minmax(auto, 0px);">
<div class="item1" data-offset-x="0" data-offset-y="0"></div>
<div class="item2" data-offset-x="50" data-offset-y="50"></div>
<div class="area" data-expected-width="75" data-expected-height="100"></div>
</div>
<div class="grid" style="grid-template-columns: minmax(auto, 75px);">
<div class="item1" data-offset-x="0" data-offset-y="0"></div>
<div class="item2" data-offset-x="50" data-offset-y="50"></div>
<div class="area" data-expected-width="75" data-expected-height="100"></div>
</div>
<div class="grid" style="grid-template-columns: minmax(auto, 88px);">
<div class="item1" data-offset-x="0" data-offset-y="0"></div>
<div class="item2" data-offset-x="50" data-offset-y="50"></div>
<div class="area" data-expected-width="88" data-expected-height="100"></div>
</div>
<div class="grid" style="grid-template-columns: minmax(auto, 100px);">
<div class="item1" data-offset-x="0" data-offset-y="0"></div>
<div class="item2" data-offset-x="50" data-offset-y="50"></div>
<div class="area" data-expected-width="100" data-expected-height="100"></div>
</div>
<div class="grid" style="grid-template-columns: minmax(auto, 150px);">
<div class="item1" data-offset-x="0" data-offset-y="0"></div>
<div class="item2" data-offset-x="50" data-offset-y="50"></div>
<div class="area" data-expected-width="100" data-expected-height="100"></div>
</div>
<div class="grid" style="grid-template-columns: minmax(auto, auto);">
<div class="item1" data-offset-x="0" data-offset-y="0"></div>
<div class="item2" data-offset-x="50" data-offset-y="50"></div>
<div class="area" data-expected-width="100" data-expected-height="100"></div>
</div>
<script>
checkLayout(".grid");
</script>