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

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=717103
-->
<head>
<title>Test for basic sanity of 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">
var filename = "devicestorage/aaaa.png"
devicestorage_setup();
function deleteSuccess(e) {
devicestorage_cleanup();
}
function deleteError(e) {
ok(false, "deleteError was called : " + e.target.error.name);
devicestorage_cleanup();
}
function addOverwritingSuccess(e) {
ok(false, "addOverwritingSuccess was called.");
devicestorage_cleanup();
}
function addOverwritingError(e) {
ok(true, "Adding to the same location should fail");
ok(e.target.error.name == "NoModificationAllowedError", "Error must be NoModificationAllowedError");
var storage = navigator.getDeviceStorage("pictures");
request = storage.delete(filename)
request.onsuccess = deleteSuccess;
request.onerror = deleteError;
}
function addSuccess(e) {
ok(true, "addSuccess was called");
var storage = navigator.getDeviceStorage("pictures");
ok(navigator.getDeviceStorage, "Should have getDeviceStorage");
request = storage.addNamed(createRandomBlob('image/png'), filename);
ok(request, "Should have a non-null request");
request.onsuccess = addOverwritingSuccess;
request.onerror = addOverwritingError;
}
function addError(e) {
// test file is already exists. clean it up and try again..
var storage = navigator.getDeviceStorage("pictures");
request = storage.delete(filename)
request.onsuccess = runtest;
}
function runtest() {
var storage = navigator.getDeviceStorage("pictures");
ok(navigator.getDeviceStorage, "Should have getDeviceStorage");
request = storage.addNamed(createRandomBlob('image/png'), filename);
ok(request, "Should have a non-null request");
request.onsuccess = addSuccess;
request.onerror = addError;
}
runtest();
</script>
</pre>
</body>
</html>