add simple unittest

test/CMakeLists.txt

@@ -0,0 +1,31 @@
+#
+# Author: Benjamin Sergeant
+# Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
+#
+
+cmake_minimum_required (VERSION 3.4.1)
+project (ixwebsocket_unittest)
+
+set (CMAKE_CXX_STANDARD 11)
+
+option(USE_TLS "Add TLS support" ON)
+
+add_subdirectory(${PROJECT_SOURCE_DIR}/.. ixwebsocket)
+
+include_directories(
+  ${PROJECT_SOURCE_DIR}/Catch2/single_include
+)
+
+add_executable(ixwebsocket_unittest 
+  test_runner.cpp
+  cmd_websocket_chat.cpp
+  IXTest.cpp
+  msgpack11.cpp
+)
+
+if (APPLE AND USE_TLS)
+    target_link_libraries(ixwebsocket_unittest "-framework foundation" "-framework security")
+endif()
+
+target_link_libraries(ixwebsocket_unittest ixwebsocket)
+install(TARGETS ixwebsocket_unittest DESTINATION bin)