Add test/cmake_install_test, test/cmake_subdir_test

test/cmake_install_test/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright 2018, 2019 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...3.31)
+
+project(cmake_install_test LANGUAGES CXX)
+
+find_package(boost_convert REQUIRED)
+
+add_executable(main main.cpp)
+target_link_libraries(main Boost::convert)
+
+enable_testing()
+add_test(main main)
+
+add_custom_target(check VERBATIM COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/cmake_install_test/main.cpp

@@ -0,0 +1,15 @@
+//  Copyright 2026 Peter Dimov
+//  Distributed under the Boost Software License, Version 1.0.
+//  http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/convert.hpp>
+#include <boost/convert/stream.hpp>
+#include <string>
+
+struct boost::cnv::by_default: boost::cnv::cstream {};
+
+int main()
+{
+    int x = boost::convert<int>( "14" ).value_or( -1 );
+    return x == 14? 0: 1;
+}

test/cmake_subdir_test/CMakeLists.txt

@@ -0,0 +1,18 @@
+# Copyright 2018, 2019 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...3.31)
+
+project(cmake_subdir_test LANGUAGES CXX)
+
+set(BOOST_INCLUDE_LIBRARIES convert)
+add_subdirectory(../../../.. boostorg/boost)
+
+add_executable(main main.cpp)
+target_link_libraries(main Boost::convert)
+
+enable_testing()
+add_test(main main)
+
+add_custom_target(check VERBATIM COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/cmake_subdir_test/main.cpp

@@ -0,0 +1,15 @@
+//  Copyright 2026 Peter Dimov
+//  Distributed under the Boost Software License, Version 1.0.
+//  http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/convert.hpp>
+#include <boost/convert/stream.hpp>
+#include <string>
+
+struct boost::cnv::by_default: boost::cnv::cstream {};
+
+int main()
+{
+    int x = boost::convert<int>( "14" ).value_or( -1 );
+    return x == 14? 0: 1;
+}