1 files changed, 22 insertions, 0 deletions
diff --git a/cast/streaming/testing/simple_socket_subscriber.h b/cast/streaming/testing/simple_socket_subscriber.h
new file mode 100644
index 00000000..f6208b42
--- /dev/null
+++ b/cast/streaming/testing/simple_socket_subscriber.h
@@ -0,0 +1,22 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CAST_STREAMING_TESTING_SIMPLE_SOCKET_SUBSCRIBER_H_
+#define CAST_STREAMING_TESTING_SIMPLE_SOCKET_SUBSCRIBER_H_
+
+#include "cast/streaming/environment.h"
+#include "gtest/gtest.h"
+
+namespace openscreen {
+namespace cast {
+
+class SimpleSubscriber : public Environment::SocketSubscriber {
+  void OnSocketReady() {}
+  void OnSocketInvalid(Error error) { ASSERT_TRUE(error.ok()) << error; }
+};
+
+}  // namespace cast
+}  // namespace openscreen
+
+#endif  // CAST_STREAMING_TESTING_SIMPLE_SOCKET_SUBSCRIBER_H_