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test_domrequest.html 
<!DOCTYPE HTML>
<html>
<head>
  <title>Test for DOMRequest</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" type="application/javascript;version=1.7">
"use strict";

var reqserv = SpecialPowers.getDOMRequestService();
ok("createRequest" in reqserv, "appears to be a service");

// create a request
var req = reqserv.createRequest(window);
ok("result" in req, "request has result");
ok("error" in req, "request has error");
ok("onsuccess" in req, "request has onsuccess");
ok("onerror" in req, "request has onerror");
ok("readyState" in req, "request has readyState");

is(req.readyState, "pending", "readyState is pending");
is(req.result, undefined, "result is undefined");
is(req.onsuccess, null, "onsuccess is null");
is(req.onerror, null, "onerror is null");

// fire success
var ev = null;
req.onsuccess = function(e) {
  ev = e;
}
reqserv.fireSuccess(req, "my result");
ok(ev, "got success event");
is(ev.type, "success", "correct type during success");
is(ev.target, req, "correct target during success");
is(req.readyState, "done", "correct readyState after success");
is(req.error, null, "correct error after success");
is(req.result, "my result", "correct result after success");

// fire error
req = reqserv.createRequest(window);
ev = null;
req.onerror = function(e) {
  ev = e;
}
reqserv.fireError(req, "OhMyError");
ok(ev, "got error event");
is(ev.type, "error", "correct type during error");
is(ev.target, req, "correct target during error");
is(req.readyState, "done", "correct readyState after error");
is(req.error.name, "OhMyError", "correct error after error");
is(req.result, undefined, "correct result after error");

// fire detailed error
req = reqserv.createRequest(window);
ev = null;
req.onerror = function(e) {
  ev = e;
};
reqserv.fireDetailedError(req, new DOMError("detailedError"));
ok(ev, "got error event");
is(ev.type, "error", "correct type during error");
is(ev.target, req, "correct target during error");
is(req.readyState, "done", "correct readyState after error");
is(req.error.name, "detailedError", "correct error after error");
is(req.result, undefined, "correct result after error");
</script>
</pre>
</body>
</html>
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