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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Test: flex base size that depends on cross size</title>
<link rel="author" title="Oriol Brufau" href="obrufau@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#flex-base-size">
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#definite-sizes">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/11791">
<meta name="assert" content="The flex item has a definite cross size of 100px
because it stretches. So the canvas can resolve its percentage against that,
and thus the intrinsic flex basis results in a flex base size of 100px.">
<style>
.container {
display: inline-flex;
vertical-align: top;
width: 50px;
height: 50px;
background: red;
margin: 5px;
}
.container.column {
flex-direction: column;
}
.item {
min-width: 0;
min-height: 0;
background: green;
}
.container.column .stretch-size {
width: -moz-available;
width: -webkit-fill-available;
width: stretch;
}
.container.row .stretch-size {
height: -moz-available;
height: -webkit-fill-available;
height: stretch;
}
.container.column canvas {
display: block;
width: 100%;
}
.container.row canvas {
display: block;
height: 100%;
}
</style>
<div id="tests"></div>
<div id="log"></div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script>
let canvas = document.createElement("canvas");
canvas.width = canvas.height = "5";
let item = document.createElement("div");
item.appendChild(canvas);
item.dataset.expectedWidth = item.dataset.expectedHeight = "50";
let container = document.createElement("div");
container.appendChild(item);
let tests = document.getElementById("tests");
for (let direction of ["row", "column"]) {
container.className = "container " + direction;
for (let stretchSize of [false, true]) {
item.className = "item" + (stretchSize ? " stretch-size" : "");
for (let flexBasis of ["auto", "content", "min-content", "fit-content", "max-content"]) {
item.style.flexBasis = flexBasis;
tests.appendChild(container.cloneNode(true));
}
}
}
checkLayout(".container");
</script>
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