Quelle test_blocking_image.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/base/test/test_blocking_image.html

<!DOCTYPE HTML>
<html>
<head>

  <title>Test for Bug 1267075</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
</head>
<body onload="onLoad()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1267075">Mozilla Bug 1267075</a>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();

function onLoad() {
  var iframe = document.createElement("iframe");
  iframe.onload = function () {
    info("iframe loaded");
    function imgListener(img) {
      return new Promise((resolve, reject) => {
        img.addEventListener("load", () => reject());
        img.addEventListener("error", () => resolve());
      });
    }

    var doc = iframe.contentDocument;
    var img = doc.createElement("img");
    var img2 = doc.createElement("img");
    var img3 = doc.createElement("img");

    // image from HTTP should be blocked.
    img.src = "http://example.com/tests/image/test/mochitest/shaver.png";
    doc.body.appendChild(img);

    imgListener(img).then(() => {
      ok(true, "img shouldn't be loaded");

      // `iframe` is a content iframe, and thus not in the same docgroup with
      // us, which are a chrome-privileged test.
      //
      // Ensure the frame is laid out so that this cross-origin
      // getComputedStyle call is guaranteed to work after bug 1440537.
      iframe.getBoundingClientRect();

      img2.src = "https://test.invalid";
      doc.body.appendChild(img2);
      return imgListener(img2);
    }).then(() => {
      ok(true, "img2 shouldn't be loaded");

      // Now prepare for the next test, deny image.
      return new Promise(resolve => {
          SpecialPowers.pushPrefEnv({"set": [["permissions.default.image", 2]]}, resolve)
      });
    }).then(() => {
      // Now image is denied, loading image will be rejected with REJECT_TYPE.
      img3.src = "https://example.com/tests/image/test/mochitest/shaver.png";
      doc.body.appendChild(img3);
      return imgListener(img3);
    }).then(() => {
      ok(true, "img3 shouldn't be loaded");
      SimpleTest.finish();
    }).catch((e) => {
      // Expected early return
      if(e === true) {
        SimpleTest.finish();
        return;
      }
      ok(false, "throwing " + e);
    });
  };

  // file_blocking_image.html contains meta tag for CSP, which will block images from
  // http.
  iframe.src = "http://mochi.test:8888/chrome/dom/base/test/file_blocking_image.html";
  document.getElementById("content").appendChild(iframe);
}
</script>
</pre>
<p id="display"></p>
<div id="content">
</div>

</body> </html>

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