replaced-element-022.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-sizing/aspect-ratio/replaced-element-022.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <title>CSS aspect-ratio: canvas with aspect-ratio, object-fit and object-position</title>

  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">

  <link rel="author" title="Mozilla" href="https://www.mozilla.org/">

  <link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">

  <link rel="match" href="../../reference/ref-filled-green-100px-square.xht">

  <meta name="assert" content="This test verifies aspect-ratio affects the canvas element's ratio, but not the canvas content's ratio.">

  <style>

  canvas {

    width: 100px;

    aspect-ratio: 1/3;

    object-fit: contain;

    object-position: top left;

  </style>

  <script>

  window.onload = function() {

    const canvas = document.querySelector('canvas');

    const ctx = canvas.getContext('2d');

    ctx.fillStyle = 'green';

    ctx.fillRect(0, 0, 200, 200);

  </script>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

  <canvas width=200 height=200></canvas>

</html>