dom/workers/test/errorwarning_worker.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/workers/test/errorwarning_worker.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,42 @@
     1.4 +/**
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/publicdomain/zero/1.0/
     1.7 + */
     1.8 +
     1.9 +function errorHandler() {
    1.10 +  postMessage({ type: 'error' });
    1.11 +}
    1.12 +
    1.13 +onmessage = function(event) {
    1.14 +  if (event.data.errors) {
    1.15 +    try {
    1.16 +      // This is an error:
    1.17 +      postMessage({ type: 'ignore', value: b.aaa });
    1.18 +    } catch(e) {
    1.19 +      errorHandler();
    1.20 +    }
    1.21 +  } else {
    1.22 +    var a = {};
    1.23 +    // This is a warning:
    1.24 +    postMessage({ type: 'ignore', value: a.foo });
    1.25 +  }
    1.26 +
    1.27 +  if (event.data.loop != 0) {
    1.28 +    var worker = new Worker('errorwarning_worker.js');
    1.29 +    worker.onerror = errorHandler;
    1.30 +    worker.postMessage({ loop: event.data.loop - 1, errors: event.data.errors });
    1.31 +
    1.32 +    worker.onmessage = function(e) {
    1.33 +      postMessage(e.data);
    1.34 +    }
    1.35 +
    1.36 +  } else {
    1.37 +    postMessage({ type: 'finish' });
    1.38 +  }
    1.39 +}
    1.40 +
    1.41 +onerror = errorHandler;
    1.42 +onerror = onerror;
    1.43 +if (!onerror || onerror != onerror) {
    1.44 +  throw "onerror wasn't set properly";
    1.45 +}

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