1 files changed, 26 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-worker-exception.js b/devtools/client/debugger/test/mochitest/browser_dbg-worker-exception.js
new file mode 100644
index 0000000000..275b4f91fb
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-worker-exception.js
@@ -0,0 +1,26 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// Test that we can pause on exceptions early in newly created workers.
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger("doc-worker-exception.html");
+
+  await togglePauseOnExceptions(dbg, true, false);
+
+  invokeInTab("startWorker");
+  invokeInTab("messageWorker");
+
+  info("Test pause on exceptions on worker load");
+  await waitForPaused(dbg);
+  const source = findSource(dbg, "worker-exception.js");
+  assertPausedAtSourceAndLine(dbg, source.id, 4);
+
+  await resume(dbg);
+  info("Test pause on exceptions on worker postMessage ");
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(dbg, source.id, 2);
+});