Add test installed version project

Author: ClausKlein

tests/myproj/tests/CMakeLists.txt

@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.21...3.29)
+
+set(CMAKE_CXX_STANDARD 20)
+
+project(myproj_test VERSION 0.2.0 LANGUAGES CXX)
+
+find_package(myproj_header_only_lib 0.2.0 CONFIG REQUIRED)
+
+# Executable
+add_executable(main ../src/main/main.cpp)
+target_link_libraries(
+  main
+  PRIVATE myproj_header_only_lib::lib #
+          myproj_header_only_lib::myproj_project_options
+          myproj_header_only_lib::myproj_project_warnings
+)
+
+## tests
+enable_testing()
+add_test(NAME main COMMAND main)