gecko-dev/dom/workers/test/errorwarning_worker.js

43 lines
929 B
JavaScript

/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
function errorHandler() {
postMessage({ type: 'error' });
}
onmessage = function(event) {
if (event.data.errors) {
try {
// This is an error:
postMessage({ type: 'ignore', value: b.aaa });
} catch(e) {
errorHandler();
}
} else {
var a = {};
// This is a warning:
postMessage({ type: 'ignore', value: a.foo });
}
if (event.data.loop != 0) {
var worker = new Worker('errorwarning_worker.js');
worker.onerror = errorHandler;
worker.postMessage({ loop: event.data.loop - 1, errors: event.data.errors });
worker.onmessage = function(e) {
postMessage(e.data);
}
} else {
postMessage({ type: 'finish' });
}
}
onerror = errorHandler;
onerror = onerror;
if (!onerror || onerror != onerror) {
throw "onerror wasn't set properly";
}