gecko-dev/dom/file/test/test_progress_events.html

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HTML

<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
<title>File Handle Test</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript;version=1.7">
function testSteps()
{
var testBuffer = getRandomBuffer(100000);
for each (let fileStorage in fileStorages) {
let request = getFileHandle(fileStorage.key, "test.txt");
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
let event = yield;
let fileHandle = event.target.result;
fileHandle.onerror = errorHandler;
let lockedFile = fileHandle.open("readwrite");
let sum = 0;
request = lockedFile.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;
is(sum, testBuffer.byteLength, "Correct loaded progress sum");
sum = 0;
lockedFile.location = 0;
request = lockedFile.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;
is(sum, testBuffer.byteLength, "Correct loaded progress sum");
}
finishTest();
yield;
}
</script>
<script type="text/javascript;version=1.7" src="helpers.js"></script>
</head>
<body onload="runTest();"></body>
</html>