CMakeLists: fix test procedure

Author: dimitry-ishenko

CMakeLists.txt

@@ -14,7 +14,16 @@ if(BUILD_EXAMPLES)
 endif()
 
 option(BUILD_TESTS "Build tests" ON)
+set(GOOGLE_TEST_DIR "" CACHE PATH "Path to GoogleTest source")
+
 if(BUILD_TESTS)
-    set(GOOGLE_TEST_DIR "" CACHE PATH "Path to GoogleTest source")
+    enable_testing()
+
+    if(GOOGLE_TEST_DIR)
+        add_subdirectory(${GOOGLE_TEST_DIR} googletest)
+    else()
+        find_package(GTest REQUIRED)
+    endif()
+
     add_subdirectory(test)
 endif()

test/CMakeLists.txt

@@ -1,13 +1,5 @@
 # test
 
-enable_testing()
-
-if(GOOGLE_TEST_DIR)
-    add_subdirectory(${GOOGLE_TEST_DIR} googletest)
-else()
-    find_package(GTest REQUIRED)
-endif()
-
 add_executable(test_args test_args.cpp)
 target_link_libraries(test_args pgm::args GTest::gtest_main)