wpt/css/css-backgrounds/background-size-043.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Backgrounds and Borders Test: background-size with &lt;length&gt; value and 'auto' and image with no intrinsic size and no intrinsic ratio</title>

  <!--
  Credit should go to Henrik Andersson
  for originally reporting this issue.
  -->

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-size">

  <!--

  [css-backgrounds] [css-images] Interop for sizing gradients with only width
  http://lists.w3.org/Archives/Public/www-style/2017Apr/0029.html

  Issue 935057: background-size with only one [ <length | <percent> ] value with SVG image with no intrinsic ratio incorrect
  https://bugs.chromium.org/p/chromium/issues/detail?id=935057

  Bug 170834: background-size with 2nd value is 'auto' and the image has no intrinsic size and no intrinsic ratio incorrectly rendered
  https://bugs.webkit.org/show_bug.cgi?id=170834

  -->

  <link rel="match" href="reference/background-size-043-ref.html">

  <meta content="This test checks that when one 'background-size' is 'auto' and the image has no intrinsic size and no intrinsic ratio, then it should use 100%. In this test, the 'auto' value should use 100% of the height of the background positioning area of the div, which is 400px." name="assert">

  <style>
  div
    {
      background-clip: border-box;
      background-image: url("support/orange-intrinsic-none.svg");
      background-origin: content-box;
      background-position: center;
      background-repeat: no-repeat;
      background-size: 200px auto;
      border: solid 40px;
      border-color: transparent black;
      height: 400px;
      width: 400px;
    }
  </style>

  <div></div>