gecko/dom/tests/mochitest/geolocation/test_handlerSpinsEventLoop.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=911595
-->
<head>
<title>Test for spinning the event loop inside position handlers</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="geolocation_common.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=911595 ">Mozilla Bug 911595</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/*
* In bug 911595 , spinning the event loop from inside position
* handlers could cause both success and error callbacks to be
* fired for the same request if that request has a small timeout.
*/
SimpleTest.waitForExplicitFinish();
resume_geolocationProvider(function() {
force_prompt(true, test1);
});
function spinEventLoopAndSetTimeout() {
if (successCallbackCalled || errorCallbackCalled) {
// this should only be called once from either callback
return;
}
window.showModalDialog("javascript:window.close()");
setTimeout(function() {
ok(successCallbackCalled != errorCallbackCalled, "Ensure only one callback is called");
SimpleTest.finish();
}, 5);
}
var successCallbackCalled = false;
function successCallback(position) {
spinEventLoopAndSetTimeout();
successCallbackCalled = true;
}
var errorCallbackCalled = false;
function errorCallback(error) {
spinEventLoopAndSetTimeout();
errorCallbackCalled = true;
}
function test1() {
navigator.geolocation.getCurrentPosition(successCallback, errorCallback, {timeout: 1});
}
</script>
</pre>
</body>
</html>