diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06048042a231f25f358e1c9346857893a763f11b..4a75e6824db0be8a2e94841eb02628575f779321 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,6 +127,7 @@ MESSAGE(STATUS "Project library files output path: " ${LIBRARY_OUTPUT_PATH})
 
 ADD_SUBDIRECTORY(deps)
 ADD_SUBDIRECTORY(src)
+ADD_SUBDIRECTORY(tests)
 
 IF (TD_LINUX)
   SET(TD_MAKE_INSTALL_SH "${TD_ROOT_DIR}/packaging/tools/make_install.sh")
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7afaf7f8b17d7793b61fe237a76163cfd7fed1c4
--- /dev/null
+++ b/tests/CMakeLists.txt
@@ -0,0 +1,12 @@
+# generate debug version:
+# mkdir debug; cd debug; cmake -DCMAKE_BUILD_TYPE=Debug ..
+# generate release version:
+# mkdir release; cd release; cmake -DCMAKE_BUILD_TYPE=Release ..
+
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+PROJECT(TDengine)
+
+SET(CMAKE_C_STANDARD 11)
+SET(CMAKE_VERBOSE_MAKEFILE ON)
+
+ADD_SUBDIRECTORY(examples/c)
diff --git a/tests/examples/c/CMakeLists.txt b/tests/examples/c/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af0b8cd18d391ab328c669514a1596f9cd8f986f
--- /dev/null
+++ b/tests/examples/c/CMakeLists.txt
@@ -0,0 +1,16 @@
+PROJECT(TDengine)
+
+IF (TD_WINDOWS)
+  INCLUDE_DIRECTORIES(${TD_ROOT_DIR}/deps/pthread)
+ENDIF ()
+
+INCLUDE_DIRECTORIES(. ${TD_ROOT_DIR}/src/inc ${TD_ROOT_DIR}/src/client/inc  ${TD_OS_DIR}/inc)
+AUX_SOURCE_DIRECTORY(. SRC)
+#ADD_EXECUTABLE(demo ${SRC})
+#TARGET_LINK_LIBRARIES(demo taos_static trpc tutil pthread )
+
+
+
+
+
+