function workerScript() {
// Available to workers.
/* global FileReaderSync */
onmessage = function(event) {
let readerMemoryBlob = new FileReaderSync();
let status = readerMemoryBlob.readAsText(new Blob(['hello world'])) == 'hello world';
postMessage({ status, message: "FileReaderSync with memory blob still works" });
let readerIPCBlob1 = new FileReaderSync();
postMessage({ blob: event.data, method: 'readAsText',
data: readerIPCBlob1.readAsText(event.data)});
let readerIPCBlob2 = new FileReaderSync();
postMessage({ blob: event.data, method: 'readAsArrayBuffer',
data: readerIPCBlob2.readAsArrayBuffer(event.data)});
let readerIPCBlob3 = new FileReaderSync();
postMessage({ blob: event.data, method: 'readAsDataURL',
data: readerIPCBlob3.readAsDataURL(event.data)});
let multipartBlob = new Blob(['wow', event.data]);
let readerIPCBlobMultipart1 = new FileReaderSync();
postMessage({ blob: multipartBlob, method: 'readAsText',
data: readerIPCBlobMultipart1.readAsText(multipartBlob)});
let readerIPCBlobMultipart2 = new FileReaderSync();
postMessage({ blob: multipartBlob, method: 'readAsArrayBuffer',
data: readerIPCBlobMultipart2.readAsArrayBuffer(multipartBlob)});
let readerIPCBlobMultipart3 = new FileReaderSync();
postMessage({ blob: multipartBlob, method: 'readAsDataURL',
data: readerIPCBlobMultipart3.readAsDataURL(multipartBlob)});
postMessage({ finish: true });
}
}
let completed = false;
let pendingTasks = 0;
function maybeFinish() {
if (completed && !pendingTasks) {
SimpleTest.finish();
}
}
let workerUrl = URL.createObjectURL(new Blob(["(", workerScript.toString(), ")()"]));
let worker = new Worker(workerUrl);
worker.onmessage = event => {
if ("status" in event.data) {
ok(event.data.status, event.data.message);
return;
}
if ("blob" in event.data) {
let fr = new FileReader();
fr[event.data.method](event.data.blob);
++pendingTasks;
fr.onload = () => {
if (event.data.method != 'readAsArrayBuffer') {
is(event.data.data, fr.result, "The file has been read");
} else {
is(event.data.data.byteLength, fr.result.byteLength, "The file has been read");
}
--pendingTasks;
maybeFinish();
}
return;
}
if ("finish" in event.data) {
completed = true;
maybeFinish();
}
};
let url = SimpleTest.getTestFileURL("script_file.js");
let script = SpecialPowers.loadChromeScript(url); script.addMessageListener("file.opened", message => {
worker.postMessage(message.file);
});
script.sendAsyncMessage("file.open");
SimpleTest.waitForExplicitFinish();
</script>
</pre>
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</html>
Messung V0.5
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.
