Blitz - WPT: content-visibility-021.html

wpt / css / css-contain / content-visibility / content-visibility-021.html

/css/css-contain/content-visibility/content-visibility-021.html

<!doctype HTML>
<html class="reftest-wait">
<meta charset="utf8">
<title>Content Visibility: hidden image</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
<link rel="match" href="content-visibility-021-ref.html">
<meta name="assert" content="content-visibility hidden img element does not paint replaced content">

<script src="/common/reftest-wait.js"></script>

<style>
div {
  background: blue;
  color: white;
}
img {
  width: 400px;
  height: 200px;
  background: lightblue;
  border: 1px solid black;
}
.hidden {
  content-visibility: hidden;
}
</style>

<div>Test passes if there are two identical light blue boxes below and no image in them.</div>
<img id="img1" src="resources/dice.png"></img>
<img id="img2" src="resources/circles.svg"></img>
<div>Test passes if there are two identical light blue boxes above and no image in them.</div>

<script>
async function runTest() {
  document.getElementById("img1").classList.add("hidden");
  document.getElementById("img2").classList.add("hidden");
  requestAnimationFrame(takeScreenshot);
}

window.onload = () => {
  requestAnimationFrame(() => {
    requestAnimationFrame(runTest);
  });
};
</script>
</html>

/css/css-contain/content-visibility/content-visibility-021-ref.html

<!doctype HTML>
<html>
<meta charset="utf8">
<title>Content Visibility: hidden image (reference)</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">

<style>
div {
  background: blue;
  color: white;
}
.myimg {
  display: inline-block;
  width: 400px;
  height: 200px;
  background: lightblue;
  border: 1px solid black;
}
</style>

<div>Test passes if there are two identical light blue boxes below and no image in them.</div>
<div class="myimg"></div>
<div class="myimg"></div>
<div>Test passes if there are two identical light blue boxes above and no image in them.</div>