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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=437361
-->
<head>
  <title>Test for Bug 437361</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  
  <script class="testbody" type="text/javascript">

  /** Test for Bug 437361 **/

  function testModalDialogBlockedCleanly() {
    is(true, SpecialPowers.getBoolPref("dom.disable_open_during_load"), "mozprefs sanity check");
    var rv = window.showModalDialog( // should be blocked without exception
      "data:text/html,<html><body onload='close(); returnValue = 1;' /></html>");
    is(rv, null, "Modal dialog opened unexpectedly.");
  }
  
  function testModalDialogAllowed() {
    is(false, SpecialPowers.getBoolPref("dom.disable_open_during_load"), "mozprefs sanity check");
    var rv = window.showModalDialog( // should not be blocked this time
      "data:text/html,<html><body onload='close(); returnValue = 1;' /></html>");
    is(rv, 1, "Problem with modal dialog returnValue.");
  }

  function testOtherExceptionsNotTrapped() {
    is(false, SpecialPowers.getBoolPref("dom.disable_open_during_load"), "mozprefs sanity check");
    window.showModalDialog('about:config'); // forbidden by SecurityCheckURL
  }

  function test(disableOpen, exceptionExpected, testFn, errorMsg) {
    if ("showModalDialog" in window) {
      var oldPrefVal = SpecialPowers.getBoolPref("dom.disable_open_during_load");
      try {
        SpecialPowers.setBoolPref("dom.disable_open_during_load", disableOpen);
        testFn();
        ok(!exceptionExpected, errorMsg);
      } catch (_) {
        ok(exceptionExpected, errorMsg);
      }
      finally {
        SpecialPowers.setBoolPref("dom.disable_open_during_load", oldPrefVal);
      }
    } else {
      ok(true, "nothing to do in e10s mode");
    }
  }

  test(true, false, testModalDialogBlockedCleanly,
       "Blocked showModalDialog caused an exception.");
       
  test(false, false, testModalDialogAllowed,
       "showModalDialog was blocked even though dom.disable_open_during_load was false.");

  test(false, true, testOtherExceptionsNotTrapped,
       "Incorrectly suppressed insecure showModalDialog exception.");

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437361">Mozilla Bug 437361</a>
<p id="display"></p>
<div id="content" style="display: none"> 
</div>
<pre id="test">
</pre>
</body>
</html>