gecko-dev/dom/devicestorage/test/test_enumerateNoParam.html

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<!DOCTYPE HTML>
<html> <!--
https://bugzilla.mozilla.org/show_bug.cgi?id=717103
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<head>
<title>Test for the device storage API </title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="devicestorage_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=717103">Mozilla Bug 717103</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
// Array Remove - By John Resig (MIT Licensed)
Array.prototype.remove = function(from, to) {
var rest = this.slice((to || from) + 1 || this.length);
this.length = from < 0 ? this.length + from : from;
return this.push.apply(this, rest);
};
devicestorage_setup();
function enumerateSuccess(e) {
if (e.target.result == null) {
ok(files.length == 0, "when the enumeration is done, we shouldn't have any files in this array")
SimpleTest.finish();
return;
}
var filename = e.target.result.name;
if (filename[0] == "/") {
// We got /storageName/prefix/filename
// Remove the storageName (this shows up on FirefoxOS)
filename = filename.substring(1); // Remove leading slash
var slashIndex = filename.indexOf("/");
if (slashIndex >= 0) {
filename = filename.substring(slashIndex + 1); // Remove storageName
}
}
if (filename.startsWith(prefix)) {
filename = filename.substring(prefix.length + 1); // Remove prefix
}
var index = files.indexOf(enumFilename);
files.remove(index);
ok(index > -1, "filename should be in the enumeration : " + e.target.result.name);
// clean up
var cleanup = storage.delete(e.target.result.name);
cleanup.onsuccess = function(e) {} // todo - can i remove this?
e.target.continue();
}
function handleError(e) {
ok(false, "handleError was called : " + e.target.error.name);
SimpleTest.finish();
}
function addSuccess(e) {
addedSoFar = addedSoFar + 1;
if (addedSoFar == files.length) {
var cursor = storage.enumerate();
cursor.onsuccess = enumerateSuccess;
cursor.onerror = handleError;
}
}
function addError(e) {
ok(false, "addError was called : " + e.target.error.name);
SimpleTest.finish();
}
var storage = navigator.getDeviceStorage("pictures");
ok(navigator.getDeviceStorage, "Should have getDeviceStorage");
var prefix = "devicestorage/" + randomFilename(12)
var files = [ "a.png", "b.png", "c.png" ]
var addedSoFar = 0;
for (var i=0; i<files.length; i++) {
request = storage.addNamed(createRandomBlob('image/png'), prefix + '/' + files[i]);
ok(request, "Should have a non-null request");
request.onsuccess = addSuccess;
request.onerror = addError;
}
</script>
</pre>
</body>
</html>