gecko/dom/downloads/tests/test_downloads_pause_resume.html

120 lines
2.9 KiB
HTML

<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=938023
-->
<head>
<title>Test for Bug 938023 Downloads API</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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=938023">Mozilla Bug 938023</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<a href="serve_file.sjs?contentType=application/octet-stream&size=102400&rate=1024" download="test.bin" id="download1">Large Download</a>
<pre id="test">
<script class="testbody" type="text/javascript;version=1.7">
// Testing pausing a download and then resuming it.
SimpleTest.waitForExplicitFinish();
var index = -1;
function next(args) {
index += 1;
if (index >= steps.length) {
ok(false, "Shouldn't get here!");
return;
}
try {
steps[index](args);
} catch(ex) {
ok(false, "Caught exception", ex);
}
}
var pausing = false;
var resuming = false;
// Catch all error function.
function error() {
ok(false, "API failure");
SimpleTest.finish();
}
function checkDownloadList(downloads) {
ok(downloads.length == 0, "No downloads left");
SimpleTest.finish();
}
function checkResumedFailed(download) {
ok(download.state == "stopped", "Download fails to resume.");
navigator.mozDownloadManager.clearAllDone()
.then(checkDownloadList, error);
}
function downloadChange(evt) {
var download = evt.download;
if (download.state == "downloading" && !pausing) {
pausing = true;
download.pause();
} else if (download.state == "stopped" && !resuming) {
resuming = true;
ok(pausing, "Download stopped by pause()");
// serve_file.sjs does not support resuming, so that should fail.
download.resume()
.then(error, function() { checkResumedFailed(download); });
}
}
var steps = [
// Start by setting the pref to true.
function() {
SpecialPowers.pushPrefEnv({
set: [["dom.mozDownloads.enabled", true]]
}, next);
},
// Setup permission and clear current list.
function() {
SpecialPowers.pushPermissions([
{type: "downloads", allow: true, context: document}
], function() {
navigator.mozDownloadManager.clearAllDone().then(next, error);
});
},
function(downloads) {
ok(downloads.length == 0, "Start with an empty download list.");
next();
},
// Setup the event listeners.
function() {
navigator.mozDownloadManager.ondownloadstart =
function(evt) {
ok(true, "Download started");
evt.download.addEventListener("statechange", downloadChange);
}
next();
},
// Click on the <a download> to start the download.
function() {
document.getElementById("download1").click();
}
];
next();
</script>
</pre>
</body>
</html>