Merged the CMakeLists and added test_choose_by_farthest_point

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/subsampling_and_spatialsearching@1318 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 534a2ac30a2177a780d1f483add2c472d4cedac3

2 files changed, 48 insertions, 1 deletions

diff --git a/src/Subsampling/test/CMakeLists.txt b/src/Subsampling/test/CMakeLists.txt
index 1785b86d..3a7fc092 100644
--- a/src/Subsampling/test/CMakeLists.txt
+++ b/src/Subsampling/test/CMakeLists.txt
@@ -1,6 +1,16 @@
 cmake_minimum_required(VERSION 2.6)
 project(Subsampling_tests)
 
+if (GCOVR_PATH)
+  # for gcovr to make coverage reports - Corbera Jenkins plugin
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
+endif()
+if (GPROF_PATH)
+  # for gprof to make coverage reports - Jenkins
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg")
+endif()
+
+# Landmarking test
 if(CGAL_FOUND)
   if (NOT CGAL_VERSION VERSION_LESS 4.8.0)
     message(STATUS "CGAL version: ${CGAL_VERSION}.")
@@ -11,7 +21,9 @@ if(CGAL_FOUND)
       include( ${EIGEN3_USE_FILE} )
       include_directories (BEFORE "../../include")
 
-      add_executable( landmarking_UT landmarking.cpp ) 
+      add_executable( test_choose_farthest_point test_choose_farthest_point.cpp )
+      target_link_libraries(test_choose_farthest_point ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})
+      
       add_executable( Subsampling_test_sparsify_point_set test_sparsify_point_set.cpp)
     else()
       message(WARNING "Eigen3 not found. Version 3.1.0 is required for Subsampling feature.")
diff --git a/src/Subsampling/test/test_choose_farthest_point.cpp b/src/Subsampling/test/test_choose_farthest_point.cpp
new file mode 100644
index 00000000..2f83fac9
--- /dev/null
+++ b/src/Subsampling/test/test_choose_farthest_point.cpp
@@ -0,0 +1,35 @@
+// #ifdef _DEBUG
+// # define TBB_USE_THREADING_TOOL
+// #endif
+
+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_MODULE "witness_complex_points"
+#include <boost/test/unit_test.hpp>
+#include <boost/mpl/list.hpp>
+
+#include <gudhi/choose_by_farthest_point.h>
+#include <vector>
+#include <iterator>
+
+#include <CGAL/Epick_d.h>
+
+typedef CGAL::Epick_d<CGAL::Dynamic_dimension_tag>                K;
+typedef typename K::FT                                            FT;
+typedef typename K::Point_d                                       Point_d;
+
+
+BOOST_AUTO_TEST_CASE(test_choose_farthest_point) {
+  std::vector< Point_d > points, landmarks;
+  // Add grid points (625 points)
+  for (FT i = 0; i < 5; i += 1.0)
+    for (FT j = 0; j < 5; j += 1.0)
+      for (FT k = 0; k < 5; k += 1.0)
+        for (FT l = 0; l < 5; l += 1.0)
+          points.push_back(Point_d(std::vector<FT>({i, j, k, l})));
+
+  landmarks.clear();
+  K k;
+  Gudhi::choose_by_farthest_point(k, points, 100, std::back_inserter(landmarks));
+  
+  assert(landmarks.size() == 100);
+}