1 files changed, 42 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_front_destroy.js b/devtools/server/tests/xpcshell/test_front_destroy.js
new file mode 100644
index 0000000000..33e2ac827a
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_front_destroy.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that fronts throw errors if they are called after being destroyed.
+ */
+
+"use strict";
+
+// HACK: ServiceWorkerManager requires the "profile-change-teardown" to cleanly
+// shutdown, and setting _profileInitialized to `true` will trigger those
+// notifications (see /testing/xpcshell/head.js).
+// eslint-disable-next-line no-undef
+_profileInitialized = true;
+
+add_task(async function test() {
+  DevToolsServer.init();
+  DevToolsServer.registerAllActors();
+
+  info("Create and connect the DevToolsClient");
+  const transport = DevToolsServer.connectPipe();
+  const client = new DevToolsClient(transport);
+  await client.connect();
+
+  info("Get the device front and check calling getDescription() on it");
+  const front = await client.mainRoot.getFront("device");
+  const description = await front.getDescription();
+  ok(
+    !!description,
+    "Check that the getDescription() method returns a valid response."
+  );
+
+  info("Destroy the device front and try calling getDescription again");
+  front.destroy();
+  Assert.throws(
+    () => front.getDescription(),
+    /Can not send request 'getDescription' because front 'device' is already destroyed\./,
+    "Check device front throws when getDescription() is called after destroy()"
+  );
+
+  await client.close();
+});