Add cmake_subdir_test

test/cmake_subdir_test/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright 2018 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
+
+cmake_minimum_required(VERSION 3.5)
+
+project(cmake_subdir_test LANGUAGES CXX)
+
+add_subdirectory(../.. boostorg/mp11)
+
+add_executable(main main.cpp)
+target_link_libraries(main Boost::mp11)
+
+enable_testing()
+add_test(NAME main COMMAND main)
+
+add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/cmake_subdir_test/main.cpp

@@ -0,0 +1,8 @@
+#include <boost/mp11.hpp>
+using namespace boost::mp11;
+
+int main()
+{
+    using L1 = mp_list<int, float, int, float>;
+    return mp_size<mp_unique<L1>>::value == 2? 0: 1;
+}