gecko-dev/dom/indexedDB/test/test_filehandle_workers.html

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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 testBuffer = getRandomBuffer(100000);
let request = indexedDB.open(name, 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
request.onsuccess = errorHandler;
let event = yield undefined;
is(event.type, "upgradeneeded", "Got correct event type");
let db = event.target.result;
db.onerror = errorHandler;
db.createObjectStore("Foo", { });
request.onupgradeneeded = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
is(event.type, "success", "Got correct event type");
request = db.createMutableFile("test.txt");
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
let mutableFile = event.target.result;
function dummyWorkerScript() {
/* eslint-env worker */
onmessage = function(event) {
throw new Error("Shouldn't be called!");
};
}
let url =
URL.createObjectURL(new Blob(["(", dummyWorkerScript.toString(), ")()"]));
let worker1 = new Worker(url);
try {
worker1.postMessage(mutableFile);
ok(false, "Should have thrown!");
}
catch (e) {
ok(e instanceof DOMException, "Got exception.");
is(e.name, "DataCloneError", "Good error.");
is(e.code, DOMException.DATA_CLONE_ERR, "Good error code.");
}
mutableFile.onerror = errorHandler;
let fileHandle = mutableFile.open("readwrite");
request = fileHandle.write(testBuffer);
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
let objectStore =
db.transaction("Foo", "readwrite").objectStore("Foo");
request = objectStore.add(mutableFile, 42);
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
function workerScript() {
onmessage = function(event) {
var name = event.data;
var request = indexedDB.open(name, 1);
request.onsuccess = function(event) {
var db = event.target.result;
let objectStore = db.transaction("Foo").objectStore("Foo");
request = objectStore.get(42);
request.onsuccess = function(event) {
try {
// eslint-disable-next-line no-unused-vars
let result = request.result;
postMessage("error");
}
catch (e) {
postMessage("success");
}
};
request.onerror = function(event) {
postMessage("error");
};
};
request.onerror = function(event) {
postMessage("error");
};
};
}
url = URL.createObjectURL(new Blob(["(", workerScript.toString(), ")()"]));
let worker2 = new Worker(url);
URL.revokeObjectURL(url);
worker2.postMessage(name);
worker2.onmessage = grabEventAndContinueHandler;
event = yield undefined;
is(event.data, "success", "Good response.");
todo(false, "Terminate all workers at the end of the test to work around bug 1340941.");
worker1.terminate();
worker2.terminate();
finishTest();
}
</script>
<script type="text/javascript" src="file.js"></script>
<script type="text/javascript" src="helpers.js"></script>
</head>
<body onload="runTest();"></body>
</html>