The Tor Browser: dom/events/test/test_bug517851.html@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE HTML>

     2 <html>

     3 <!--

     4 https://bugzilla.mozilla.org/show_bug.cgi?id=517851

     5 -->

     6 <head>

     7   <title>Test for Bug 517851</title>

     8   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

    10 </head>

    11 <body>

    12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=517851">Mozilla Bug 517851</a>

    13 <p id="display"></p>

    14 <div id="content" style="display: none">

    15   <iframe id="subframe"></iframe>

    16 </div>

    17 <pre id="test">

    18 <script type="application/javascript">

    20 /** Test for Bug 517851 **/

    21 SimpleTest.waitForExplicitFinish();

    23 addLoadEvent(function() {

    24 window.handledCount = 0;

    25 window.testReturnValue = false;

    26 var target = document.createElement("div");

    27 var target2 = $("subframe").contentDocument.body;

    28 target.setAttribute("onerror", "++window.handledCount; return window.testReturnValue;");

    29 target.setAttribute("onmouseover", "++window.handledCount; return window.testReturnValue;");

    30 target.setAttribute("onbeforeunload", "++window.handledCount; return window.testReturnValue;");

    31 target2.setAttribute("onbeforeunload", "++window.parent.handledCount; return window.parent.testReturnValue;");

    32 target.setAttribute("onmousemove", "++window.handledCount; return window.testReturnValue;");

    34 var e = document.createEvent("Event");

    35 e.initEvent("error", true, true);

    36 window.testReturnValue = false;

    37 is(target.dispatchEvent(e), !window.testReturnValue,

    38    "error event should have reverse return value handling!");

    39 is(handledCount, 1, "Wrong event count!");

    40 window.testReturnValue = true;

    41 is(target.dispatchEvent(e), !window.testReturnValue,

    42    "error event should have reverse return value handling (2)!");

    43 is(handledCount, 2, "Wrong event count!");

    45 e = document.createEvent("MouseEvent");

    46 e.initEvent("mouseover", true, true);

    47 window.testReturnValue = false;

    48 is(target.dispatchEvent(e), !window.testReturnValue,

    49    "mouseover event should have reverse return value handling!");

    50 is(handledCount, 3, "Wrong event count!");

    51 window.testReturnValue = true;

    52 is(target.dispatchEvent(e), !window.testReturnValue,

    53    "mouseover event should have reverse return value handling (2)!");

    54 is(handledCount, 4, "Wrong event count!");

    56 e = document.createEvent("BeforeUnloadEvent");

    57 e.initEvent("beforeunload", true, true);

    58 window.testReturnValue = true;

    59 is(target.dispatchEvent(e), true,

    60    "beforeunload event on random element should not be prevented!");

    61 is(handledCount, 4, "Wrong event count; handler should not have run!");

    62 is(target2.dispatchEvent(e), false,

    63    "beforeunload event should be prevented!");

    64 is(handledCount, 5, "Wrong event count!");

    65 window.testReturnValue = false;

    66 is(target.dispatchEvent(e), true,

    67    "beforeunload event on random element should not be prevented (2)!");

    68 is(handledCount, 5, "Wrong event count; handler should not have run! (2)");

    69 is(target2.dispatchEvent(e), false,

    70    "beforeunload event should be prevented (2)!");

    71 is(handledCount, 6, "Wrong event count!");

    73 // Create normal event for beforeunload.

    74 e = document.createEvent("Event");

    75 e.initEvent("beforeunload", true, true);

    76 window.testReturnValue = true;

    77 is(target.dispatchEvent(e), true,

    78    "beforeunload event shouldn't be prevented (3)!");

    79 is(handledCount, 6, "Wrong event count: handler should not have run(3)!");

    80 is(target2.dispatchEvent(e), true,

    81    "beforeunload event shouldn't be prevented (3)!");

    82 is(handledCount, 7, "Wrong event count!");

    84 e = document.createEvent("MouseEvent");

    85 e.initEvent("mousemove", true, true);

    86 window.testReturnValue = true;

    87 is(target.dispatchEvent(e), window.testReturnValue,

    88    "mousemove event shouldn't have reverse return value handling!");

    89 is(handledCount, 8, "Wrong event count!");

    90 window.testReturnValue = false;

    91 is(target.dispatchEvent(e), window.testReturnValue,

    92    "mousemove event shouldn't have reverse return value handling (2)!");

    93 is(handledCount, 9, "Wrong event count!");

    95 // Now unhook the beforeunload handler in the subframe, so we don't prompt to

    96 // unload.

    97 target2.onbeforeunload = null;

    99 SimpleTest.finish();

   100 });

   101 </script>

   102 </pre>

   103 </body>

   104 </html>

The Tor Browser / file revision