1 files changed, 35 insertions, 0 deletions
diff --git a/dom/console/tests/xpcshell/test_failing_console_listener.js b/dom/console/tests/xpcshell/test_failing_console_listener.js
new file mode 100644
index 0000000000..bb1b7cd46c
--- /dev/null
+++ b/dom/console/tests/xpcshell/test_failing_console_listener.js
@@ -0,0 +1,35 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+add_task(async function () {
+  Assert.ok("console" in this);
+
+  // Add a first listener that synchronously throws.
+  const removeListener1 = addConsoleListener(() => {
+    throw new Error("Fail");
+  });
+
+  // Add a second listener updating a flag we can observe from the test.
+  let secondListenerCalled = false;
+  const removeListener2 = addConsoleListener(
+    () => (secondListenerCalled = true)
+  );
+
+  console.log(42);
+  Assert.ok(secondListenerCalled, "Second listener was called");
+
+  // Cleanup listeners.
+  removeListener1();
+  removeListener2();
+});
+
+function addConsoleListener(callback) {
+  const principal = Cc["@mozilla.org/systemprincipal;1"].createInstance(
+    Ci.nsIPrincipal
+  );
+  ConsoleAPIStorage.addLogEventListener(callback, principal);
+
+  return () => {
+    ConsoleAPIStorage.removeLogEventListener(callback, principal);
+  };
+}