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- This WPT test may be referenced by the following Test IDs:
- /css/css-sizing/intrinsic-percent-replaced-027.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="This test verifies that the inner flex container's main-size (height) serves as a percentage basis for its descendants. The canvas can transfer its height through the aspect-ratio to the inline axis when computing its intrinsic inline size contribution. This determines the .test div's intrinsic inline size.">
<style>
.outer {
display: flex;
flex-direction: column;
}
.inner {
display: flex;
width: 100px;
height: 100px;
}
.test {
aspect-ratio: 1 / 1;
height: 100%;
background: red;
}
.test > canvas {
height: 100%;
background: green;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="outer">
<div class="inner">
<div class="test">
<canvas width="200" height="200"></canvas>
</div>
</div>
</div>