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

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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 type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript">
/* import-globals-from file.js */
/* import-globals-from helpers.js */
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");
request = fileHandle.write(testBuffer);
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
request = mutableFile.getFile();
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
let file = event.target.result;
let resultBuffer1;
let resultBuffer2;
let reader1 = new FileReader();
reader1.readAsArrayBuffer(file);
reader1.onerror = errorHandler;
reader1.onload = function(event)
{
resultBuffer1 = event.target.result;
let reader = new FileReader();
try {
reader.readAsArrayBuffer(file);
ok(false, "Should have thrown!");
}
catch (e) {
ok(e instanceof DOMException, "Got exception.");
is(e.name, "FileHandleInactiveError", "Good error.");
is(e.code, 0, "Good error code.");
}
if (resultBuffer2) {
testGenerator.next();
}
}
let reader2 = new FileReader();
reader2.readAsArrayBuffer(file);
reader2.onerror = errorHandler;
reader2.onload = function(event)
{
resultBuffer2 = event.target.result;
let reader = new FileReader();
try {
reader.readAsArrayBuffer(file);
ok(false, "Should have thrown!");
}
catch (e) {
ok(e instanceof DOMException, "Got exception.");
is(e.name, "FileHandleInactiveError", "Good error.");
is(e.code, 0, "Good error code.");
}
if (resultBuffer1) {
testGenerator.next();
}
}
yield undefined;
ok(compareBuffers(resultBuffer1, testBuffer), "Correct data");
ok(compareBuffers(resultBuffer2, testBuffer), "Correct data");
finishTest();
}
</script>
<script type="text/javascript" src="file.js"></script>
<script type="text/javascript" src="helpers.js"></script>
</head>
<body onload="runTest();"></body>
</html>