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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Images outside of display port are not decoded</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="imgutils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<div id="scroller" style="height: 300px; overflow: scroll;">
  <div style="width: 100%; height: 12000px;"></div>
  <iframe id="iframe"></iframe>
  <div style="width: 100%; height: 5000px;"></div>
</div>
<pre id="test"></pre>
<script>
  add_task(async () => {
    window.addEventListener("message", event => {
      isnot(event.data, "decodeComplete",
            "decodeComplete should never be received");
    });

    await new Promise(resolve => {
      window.addEventListener("message", event => {
        if (event.data == "loadComplete") {
          ok(true, "Got loadComplete");
          resolve();
        }
      }, { once: true });

      const iframe = document.getElementById("iframe");
      iframe.src = "http://example.org/tests/image/test/mochitest/child.html";
    });

    const start = Date.now();

    // Waits a second;
    await SimpleTest.promiseWaitForCondition(() => {
      return 1000 < (Date.now() - start);
    });

    ok(true, "decodeComplete didn't receive within a second");
  });

</script>
</body>
</html>