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

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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;
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;
for (let i = 0; i < 50; i++) {
let stepNumber = 0;
request = mutableFile.open("readwrite").append("string1");
request.onsuccess = function(event) {
is(stepNumber, 1, "This callback came first");
stepNumber++;
event.target.fileHandle.oncomplete = grabEventAndContinueHandler;
};
request = mutableFile.open("readwrite").append("string2");
request.onsuccess = function(event) {
is(stepNumber, 2, "This callback came second");
stepNumber++;
event.target.fileHandle.oncomplete = grabEventAndContinueHandler;
};
request = mutableFile.open("readwrite").append("string3");
request.onsuccess = function(event) {
is(stepNumber, 3, "This callback came third");
stepNumber++;
event.target.fileHandle.oncomplete = grabEventAndContinueHandler;
};
stepNumber++;
yield undefined; yield undefined; yield undefined;
is(stepNumber, 4, "All callbacks received");
}
finishTest();
}
</script>
<script type="text/javascript" src="helpers.js"></script>
</head>
<body onload="runTest();"></body>
</html>