tests: add initial unit test env

tests/CMakeLists.txt

@@ -0,0 +1,11 @@
+find_package (GTest REQUIRED)
+
+set(PROJECT_TEST_NAME "${PROJECT_NAME}_test")
+set(COMMON_INCLUDES ${PROJECT_SOURCE_DIR}/src)
+
+include_directories(${GTEST_INCLUDE_DIRS} ${COMMON_INCLUDES})
+
+add_executable(${PROJECT_TEST_NAME} "maa_test.cxx")
+target_link_libraries(${PROJECT_TEST_NAME} ${PROJECT_NAME_STR} ${GTEST_BOTH_LIBRARIES} maa pthread)
+
+add_test(Basic ${PROJECT_TEST_NAME})

tests/maa_test.cxx

@@ -0,0 +1,8 @@
+#include "maa.h"
+#include "gtest/gtest.h"
+
+using namespace maa;
+
+TEST (basic, GetVersion) {
+    ASSERT_EQ(get_version(), 1);
+}