DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (5b81998bb7ab)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
<!DOCTYPE HTML>
<html>
<head>
  <title>Test Cross-Compartment DOM WeakMaps</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<script type="application/javascript">

var my_map = WeakMap();

function setup() {
  var item = window.frames[0].document.querySelector("body");

  my_map.set(item, "success_string");

  var navi_fail = false;
  try {
    my_map.set(window.frames[0].navigator, 1);
  } catch (e) {
    navi_fail = true;
  }
  ok(navi_fail, "Using window.navigator as a weak map key across compartments should produce an exception because it can't be wrapper preserved.");
}

function runTest() {
  setup();
  SpecialPowers.forceGC();
  SpecialPowers.forceCC();
  SpecialPowers.forceGC();
  SpecialPowers.forceCC();
  var item = window.frames[0].document.querySelector("body");
  is(my_map.get(item), "success_string", "Preserve reflectors used cross-compartment as weak map keys.");
}

</script>
<iframe src="file_crosscompartment_weakmap.html" onload="runTest()"></iframe>


</pre>
</body>
</html>