fix boost unit test framework in cmake and add cmake files

CMakeLists.txt

@@ -13,6 +13,7 @@ add_library(boost_geometry INTERFACE)
 add_library(Boost::geometry ALIAS boost_geometry)
 
 target_include_directories(boost_geometry INTERFACE include)
+target_compile_features(boost_geometry INTERFACE cxx_std_14)
 
 target_link_libraries(boost_geometry
   INTERFACE
@@ -65,18 +66,15 @@ if(BOOST_GEOMETRY_BUILD_OPTIONAL)
     INTERFACE
       Boost::thread
   )
-endif()
 
-# Requirements for extensions
-if(BOOST_GEOMETRY_BUILD_OPTIONAL)
+  # Requirements for extensions
   target_link_libraries(boost_geometry
     INTERFACE
       Boost::endian
       Boost::predef
       )
-endif()
 
-target_compile_features(boost_geometry INTERFACE cxx_std_14)
+endif()
 
 if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
@@ -104,12 +102,13 @@ if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
           any
           lexical_cast
           math
+          multiprecision
           qvm
           rational
           serialization
           tokenizer
           variant
-          multiprecision)
+          test)
 
     if (BOOST_SRC_DIR_IS_VALID)
       set(BOOST_EXCLUDE_LIBRARIES ${PROJECT_NAME})

test/CMakeLists.txt

@@ -14,41 +14,21 @@ function(boost_geometry_add_unit_test prefix item)
   set(unit_test_name "boost_geometry_${prefix}_${item}")
   add_executable(${unit_test_name} ${item}.cpp)
 
-  target_link_libraries(${unit_test_name} PRIVATE Boost::geometry)
-
+  # Add a dependendcy to Boost.Geometry
   target_link_libraries(${unit_test_name} 
     PRIVATE
-      Boost::algorithm
-      Boost::any
-      Boost::array
-      Boost::assert
-      Boost::concept_check
-      Boost::config
-      Boost::core
-      Boost::function_types
-      Boost::iterator
-      Boost::lexical_cast
-      Boost::math
-      Boost::move
-      Boost::mpl
-      Boost::multiprecision
-      Boost::numeric_conversion
-      Boost::qvm
-      Boost::range
-      Boost::rational
-      Boost::static_assert
-      Boost::throw_exception
-      Boost::tokenizer
-      Boost::tuple
-      Boost::type_traits
-      Boost::utility
-      Boost::variant
-  )
+      Boost::geometry)
 
-  target_include_directories(${unit_test_name} PRIVATE "${PROJECT_SOURCE_DIR}/test" .)
-
-  # Add the Boost.Test framework
-  target_include_directories(${unit_test_name} PRIVATE "${BOOST_SRC_DIR}/libs/test/include" .)
+  # For unit tests, add a dependency to the unit test framework (in header only mode)
+  target_link_libraries(${unit_test_name} 
+    PRIVATE
+      Boost::included_unit_test_framework)
+  
+  # Include the main Geometry test folder and the current folder
+  target_include_directories(${unit_test_name}
+    PRIVATE
+      "${PROJECT_SOURCE_DIR}/test" 
+      .)
 
   # To compile with C++14
   target_compile_features(${unit_test_name} PRIVATE cxx_std_14)

test/algorithms/CMakeLists.txt

@@ -6,4 +6,8 @@
 
 add_subdirectory(area)
 add_subdirectory(buffer)
+add_subdirectory(detail)
+add_subdirectory(overlay)
+add_subdirectory(relate)
 add_subdirectory(set_operations)
+add_subdirectory(within)

test/algorithms/detail/CMakeLists.txt

@@ -0,0 +1,15 @@
+# Boost.Geometry
+# Copyright (c) 2024 Barend Gehrels, Amsterdam, the Netherlands.
+# Use, modification and distribution is subject to 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)
+
+foreach(item IN ITEMS
+    calculate_point_order
+    approximately_equals
+    partition
+    tupled_output
+    visit
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()

test/algorithms/detail/approximately_equals.cpp

@@ -14,6 +14,8 @@
 
 #include <boost/geometry/strategies/strategies.hpp>
 #include <boost/geometry/geometries/geometries.hpp>
+#include <boost/geometry/util/condition.hpp>
+
 #include <boost/geometry/io/wkt/wkt.hpp>
 
 template <typename P>
@@ -81,18 +83,29 @@ void test_all(E const multiplier, std::size_t expected_index)
 
 int test_main(int, char* [])
 {
+    constexpr bool has_long_double =  sizeof(long double) > sizeof(double);
+
     double m = 1000.0;
-    test_all<bg::model::point<long double, 2, bg::cs::cartesian>>(m, 54);
+    if (BOOST_GEOMETRY_CONDITION(has_long_double))
+    {
+        test_all<bg::model::point<long double, 2, bg::cs::cartesian>>(m, 54);
+    }
     test_all<bg::model::point<double, 2, bg::cs::cartesian>>(m, 43);
     test_all<bg::model::point<float, 2, bg::cs::cartesian>>(m, 24);
 
     m *= 1000.0;
-    test_all<bg::model::point<long double, 2, bg::cs::cartesian>>(m, 44);
+    if (BOOST_GEOMETRY_CONDITION(has_long_double))
+    {
+        test_all<bg::model::point<long double, 2, bg::cs::cartesian>>(m, 44);
+    }
     test_all<bg::model::point<double, 2, bg::cs::cartesian>>(m, 33);
     test_all<bg::model::point<float, 2, bg::cs::cartesian>>(m, 24);
 
     m *= 1000.0;
-    test_all<bg::model::point<long double, 2, bg::cs::cartesian>>(m, 34);
+    if (BOOST_GEOMETRY_CONDITION(has_long_double))
+    {
+        test_all<bg::model::point<long double, 2, bg::cs::cartesian>>(m, 34);
+    }
     test_all<bg::model::point<double, 2, bg::cs::cartesian>>(m, 23);
     test_all<bg::model::point<float, 2, bg::cs::cartesian>>(m, 23);
 

test/algorithms/overlay/CMakeLists.txt

@@ -0,0 +1,38 @@
+# Boost.Geometry
+# Copyright (c) 2024 Barend Gehrels, Amsterdam, the Netherlands.
+# Use, modification and distribution is subject to 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)
+
+# Cartesian
+foreach(item IN ITEMS
+    assemble
+    copy_segment_point
+    get_clusters
+    get_distance_measure
+    get_ring
+    get_turn_info
+    get_turns
+    get_turns_const
+    get_turns_areal_areal
+    get_turns_linear_areal
+    get_turns_linear_linear
+    overlay
+    sort_by_side_basic
+    sort_by_side
+    relative_order
+    select_rings
+    self_intersection_points
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()
+
+# Spherical
+foreach(item IN ITEMS
+    get_turns_areal_areal_sph
+    get_turns_linear_areal_sph
+    get_turns_linear_linear_sph
+    get_turns_linear_linear_geo
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()

test/algorithms/overlay/get_clusters.cpp

@@ -20,6 +20,8 @@
 
 #include <boost/geometry/strategies/strategies.hpp>
 #include <boost/geometry/geometries/geometries.hpp>
+#include <boost/geometry/util/condition.hpp>
+
 #include <boost/geometry/io/wkt/wkt.hpp>
 
 #include <vector>
@@ -93,6 +95,7 @@ void test_get_clusters_border_cases(typename bg::coordinate_type<Point>::type ep
 
 int test_main(int, char* [])
 {
+    constexpr bool has_long_double =  sizeof(long double) > sizeof(double);
     using fp = bg::model::point<float, 2, bg::cs::cartesian>;
     using dp = bg::model::point<double, 2, bg::cs::cartesian>;
     using ep = bg::model::point<long double, 2, bg::cs::cartesian>;
@@ -101,11 +104,15 @@ int test_main(int, char* [])
     test_get_clusters<dp>();
     test_get_clusters<ep>();
 
-    // These constant relate to the threshold in get_clusters.hpp,
+    // These constant relate to the (earlier) thresholds in get_clusters.hpp,
     // and the used floating point type.
+    // (thresholds are now replaced by common_approximately_equals_epsilon_multiplier)
     test_get_clusters_border_cases<fp>(1.0e-5);
     test_get_clusters_border_cases<dp>(1.0e-14);
-    test_get_clusters_border_cases<ep>(1.0e-17);
+    if (BOOST_GEOMETRY_CONDITION(has_long_double))
+    {
+        test_get_clusters_border_cases<ep>(1.0e-17);
+    }
 
     return 0;
 }

test/algorithms/relate/CMakeLists.txt

@@ -0,0 +1,25 @@
+# Boost.Geometry
+# Copyright (c) 2024 Barend Gehrels, Amsterdam, the Netherlands.
+# Use, modification and distribution is subject to 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)
+
+# Cartesian
+foreach(item IN ITEMS
+    relate_const_custom
+    relate_areal_areal
+    relate_linear_areal
+    relate_linear_linear
+    relate_pointlike_geometry
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()
+
+# Spherical
+foreach(item IN ITEMS
+    relate_areal_areal_sph
+    relate_linear_areal_sph
+    relate_linear_linear_sph
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()

test/algorithms/within/CMakeLists.txt

@@ -0,0 +1,26 @@
+# Boost.Geometry
+# Copyright (c) 2024 Barend Gehrels, Amsterdam, the Netherlands.
+# Use, modification and distribution is subject to 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)
+
+# Cartesian
+foreach(item IN ITEMS
+    within
+    within_areal_areal
+    within_gc
+    within_linear_areal
+    within_linear_linear
+    within_multi
+    within_pointlike_geometry
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()
+
+# Spherical
+foreach(item IN ITEMS
+    within_sph
+    within_sph_geo
+  )
+  boost_geometry_add_unit_test("algorithms" ${item})
+endforeach()