chromium/third_party/blink/web_tests/external/wpt/css/css-grid/grid-model/grid-size-shrink-to-fit-001.html

<!DOCTYPE html>
<html>
<title>CSS Grid: shrink-to-fit behavior on grid containers</title>
<link rel="author" title="Javier Fernandez" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid/#intrinsic-sizes">
<link rel="help" href="https://crbug.com/234204">
<meta name="assert" content="This test checks that the shrink-to-fit behavior is applied to the float and out-of-flow positioned grid containers.">
<style>
.grid {
    display: grid;
    grid-template-columns: 200px 200px;
    grid-template-rows: 200px 200px;
}
.container {
    width: 600px;
    height: 600px;
}

#absolutePos {
   position: absolute;
}

#fixedPos {
   position: fixed;
}

#floatPos {
   float: left;
}

#one {
    color: blue;
    background: red;
    grid-column: 1;
    grid-row: 1;
}

#two {
    color: yellow;
    background: green;
    grid-column: 2;
    grid-row: 1;
}
#three {
    color: gray;
    background: pink;
    grid-column: 1;
    grid-row: 2;
}
#four {
    color: orange;
    background: brown;
    grid-column: 2;
    grid-row: 2;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.grid')">

<p>The following grids should be 400px * 400px, except the first one which uses 'relative' positioning.</p>

<div class="container">
    <div class="grid" id="regularGrid" data-expected-height="400" data-expected-width="600">
        <div id="one"></div>
        <div id="two"></div>
        <div id="three"></div>
        <div id="four"></div>
    </div>
</div>

<div class="container">
    <div class="grid" id="absolutePos" data-expected-height="400" data-expected-width="400">
        <div id="one"></div>
        <div id="two"></div>
        <div id="three"></div>
        <div id="four"></div>
    </div>
</div>

<div class="container">
    <div class="grid" id="fixedPos" data-expected-height="400" data-expected-width="400">
        <div id="one"></div>
        <div id="two"></div>
        <div id="three"></div>
        <div id="four"></div>
    </div>
</div>

<div class="container">
    <div class="grid" id="floatPos" data-expected-height="400" data-expected-width="400">
        <div id="one"></div>
        <div id="two"></div>
        <div id="three"></div>
        <div id="four"></div>
    </div>
</div>

</body>
</html>