gecko-dev/dom/indexedDB/test/test_filehandle_progress_ev...

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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
<title>File Handle Test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript">
function* testSteps()
{
const name = window.location.pathname;
var testBuffer = getRandomBuffer(100000);
let request = indexedDB.open(name, 1);
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
let event = yield undefined;
let db = event.target.result;
db.onerror = errorHandler;
request = db.createMutableFile("test.txt");
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
let mutableFile = event.target.result;
mutableFile.onerror = errorHandler;
let fileHandle = mutableFile.open("readwrite");
let sum = 0;
request = fileHandle.write(testBuffer);
request.onprogress = function(event) {
let loaded = event.loaded;
let total = event.total;
ok(loaded >= 0 && loaded <= total, "Correct loaded progress");
is(total, testBuffer.byteLength, "Correct total progress");
sum += event.loaded - sum;
};
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(sum, testBuffer.byteLength, "Correct loaded progress sum");
sum = 0;
fileHandle.location = 0;
request = fileHandle.readAsArrayBuffer(testBuffer.byteLength);
request.onprogress = function(event) {
let loaded = event.loaded;
let total = event.total;
ok(loaded >= 0 && loaded <= total, "Correct loaded progress");
is(total, testBuffer.byteLength, "Correct total progress");
sum += event.loaded - sum;
};
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(sum, testBuffer.byteLength, "Correct loaded progress sum");
finishTest();
}
</script>
<script type="text/javascript" src="file.js"></script>
<script type="text/javascript" src="helpers.js"></script>
</head>
<body onload="runTest();"></body>
</html>