The Tor Browser: dom/workers/test/url

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

     1 onmessage = function(event) {

     2   if (event.data != 0) {

     3     var worker = new Worker('url_worker.js');

     4     worker.onmessage = function(event) {

     5       postMessage(event.data);

     6     }

     8     worker.postMessage(event.data - 1);

     9     return;

    10   }

    12   status = false;

    13   try {

    14     if ((URL instanceof Object)) {

    15       status = true;

    16     }

    17   } catch(e) {

    18   }

    20   postMessage({type: 'status', status: status, msg: 'URL object:' + URL});

    22   status = false;

    23   var blob = null;

    24   try {

    25     blob = new Blob([]);

    26     status = true;

    27   } catch(e) {

    28   }

    30   postMessage({type: 'status', status: status, msg: 'Blob:' + blob});

    32   status = false;

    33   var url = null;

    34   try {

    35     url = URL.createObjectURL(blob);

    36     status = true;

    37   } catch(e) {

    38   }

    40   postMessage({type: 'status', status: status, msg: 'Blob URL:' + url});

    42   status = false;

    43   try {

    44     URL.revokeObjectURL(url);

    45     status = true;

    46   } catch(e) {

    47   }

    49   postMessage({type: 'status', status: status, msg: 'Blob Revoke URL'});

    51   status = false;

    52   var url = null;

    53   try {

    54     url = URL.createObjectURL(true);

    55   } catch(e) {

    56     status = true;

    57   }

    59   postMessage({type: 'status', status: status, msg: 'CreateObjectURL should fail if the arg is not a blob'});

    61   status = false;

    62   var url = null;

    63   try {

    64     url = URL.createObjectURL(blob);

    65     status = true;

    66   } catch(e) {

    67   }

    69   postMessage({type: 'status', status: status, msg: 'Blob URL2:' + url});

    70   postMessage({type: 'url', url: url});

    72   status = false;

    73   try {

    74     URL.createObjectURL(new Object());

    75   } catch(e) {

    76     status = true;

    77   }

    79   postMessage({type: 'status', status: status, msg: 'Exception wanted' });

    81   postMessage({type: 'finish' });

    82 }

The Tor Browser / file revision