Quelle test_picture_apng.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/tests/mochitest/general/test_picture_apng.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Image srcset mutations</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<script type="application/javascript">
"use strict";
window.onload = function() {
  // Smoke test, check picture working as expected
  const t0 = document.querySelector("#test0 img");
  ok(t0.currentSrc.endsWith("apng"), `t0: expected pass.apng, got '${t0.currentSrc}'`);

  // Test that the apng is selected over bogus types.
  const t1 = document.querySelector("#test1 img");
  ok(t1.currentSrc.endsWith("apng"), `t1: expected pass.apng, got '${t1.currentSrc}'`);

  // Test that tree order precedence applies
  const t2 = document.querySelector("#test2 img");
  ok(t2.currentSrc.endsWith("apng"), `t2: expected pass.apng, got '${t2.currentSrc}'`);

  // Test that apng doesn't alway win
  const t3 = document.querySelector("#test3 img");
  ok(t3.currentSrc.endsWith("apng"), `t3: expected pass.apng, got '${t3.currentSrc}'`);

  // Test dynamically constructed picture, where apng is selected over a bogus
  // source or the img src attribute
  const pic = document.createElement("picture");
  pic.id = "test4";
  const t4 = document.createElement("img");
  const bogusSource = document.createElement("source");
  bogusSource.type = "bogus/bogus";
  bogusSource.srcset = "fail.png";
  const legitSource = document.createElement("source");
  legitSource.type = "image/apng";
  legitSource.srcset = "pass.apng";
  pic.appendChild(bogusSource);
  pic.appendChild(legitSource);
  pic.appendChild(t4);
  t4.src = "fail.png";
  document.body.appendChild(pic);
  t4.onload = ()=>{
    ok(t4.currentSrc.endsWith("apng"), `t4: Expected pass.apng, got '${t4.currentSrc}'`);
    SimpleTest.finish();
  }
};
SimpleTest.waitForExplicitFinish();
</script>

<body>
  <picture id="test0">
    <source>
    <img src="pass.apng">
  </picture>
  <picture id="test1">
    <source type="bogus/type" srcset="fail.png">
    <source type="image/apng" srcset="pass.apng">
    <source type="image/jpeg" srcset="fail.png">
    <img src="fail-fallback">
  </picture>
  <picture id="test2">
    <source type="image/png" srcset="pass.apng">
    <source srcset="fail.png">
    <source type="bogus/type" srcset="fail.png">
    <img src="fail-fallback">
  </picture>
  <picture id="test3">
    <source type="image/jpeg" srcset="pass.apng">
    <source type="image/apng" srcset="fail.png">
    <img src="fail-fallback">
  </picture>
</body>

</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.3 Sekunden ¤

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