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-rw-r--r--dom/workers/test/errorPropagation_worker.js50
1 files changed, 50 insertions, 0 deletions
diff --git a/dom/workers/test/errorPropagation_worker.js b/dom/workers/test/errorPropagation_worker.js
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index 000000000..84f5916e0
--- /dev/null
+++ b/dom/workers/test/errorPropagation_worker.js
@@ -0,0 +1,50 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+var seenScopeError;
+onerror = function(message, filename, lineno) {
+ if (!seenScopeError) {
+ seenScopeError = true;
+ postMessage({
+ type: "scope",
+ data: { message: message, filename: filename, lineno: lineno }
+ });
+ return true;
+ }
+};
+
+onmessage = function(event) {
+ var workerId = parseInt(event.data);
+
+ if (workerId > 1) {
+ var worker = new Worker("errorPropagation_worker.js");
+
+ worker.onmessage = function(event) {
+ postMessage(event.data);
+ };
+
+ var seenWorkerError;
+ worker.onerror = function(event) {
+ if (!seenWorkerError) {
+ seenWorkerError = true;
+ postMessage({
+ type: "worker",
+ data: {
+ message: event.message,
+ filename: event.filename,
+ lineno: event.lineno
+ }
+ });
+ event.preventDefault();
+ }
+ };
+
+ worker.postMessage(workerId - 1);
+ return;
+ }
+
+ var interval = setInterval(function() {
+ throw new Error("expectedError");
+ }, 100);
+};