Created first unittest for OpenMesh.

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@405 fdac6126-5c0c-442c-9429-916003d36597

CMakeLists.txt

@@ -41,6 +41,7 @@ endif()
 add_subdirectory (src/OpenMesh/Core)
 add_subdirectory (src/OpenMesh/Tools)
 add_subdirectory (src/OpenMesh/Apps)
+add_subdirectory (src/Unittests)
 add_subdirectory (Doc)
 
 # ========================================================================

cmake/FindGoogleTest.cmake

+# Locate and configure the Google Test libraries.
+#
+# Defines the following variable:
+#
+#   GTEST_FOUND - Found the Google Test libraries
+#   GTEST_INCLUDE_DIRS - The directories needed on the include paths
+#   GTEST_LIBRARIES - The libraries to link to test executables
+#   GTEST_MAIN_LIBRARIES - The libraries to link for automatic main() provision
+#
+#   Copyright 2008 Chandler Carruth
+#
+#   Licensed under the Apache License, Version 2.0 (the "License"); you may not
+#   use this file except in compliance with the License.  You may obtain a copy
+#   of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+#   License for the specific language governing permissions and limitations
+#   under the License.
+
+if(GTEST_INCLUDE_DIRS AND GTEST_LIBRARIES AND GTEST_MAIN_LIBRARIES)
+  set(GTEST_FOUND true)
+else(GTEST_INCLUDE_DIRS AND GTEST_LIBRARIES AND GTEST_MAIN_LIBRARIES)
+  set(GTEST_PREFIX "" CACHE PATH "Installation prefix for Google Test")
+  if(GTEST_PREFIX)
+    find_path(_GTEST_INCLUDE_DIR "gtest/gtest.h"
+      PATHS "${GTEST_PREFIX}/include"
+      NO_DEFAULT_PATH)
+    find_library(_GTEST_LIBRARY gtest
+      PATHS "${GTEST_PREFIX}/lib"
+      NO_DEFAULT_PATH)
+    find_library(_GTEST_MAIN_LIBRARY gtest_main
+      PATHS "${GTEST_PREFIX}/lib"
+      NO_DEFAULT_PATH)
+  else(GTEST_PREFIX)
+    find_path(_GTEST_INCLUDE_DIR "gtest/gtest.h"
+      PATHS
+      ~/sw/gtest/include
+      /opt/local/include
+      /usr/local/include)
+    find_library(_GTEST_LIBRARY gtest
+      PATHS
+      ~/sw/gtest/lib
+      /opt/local/lib
+      /usr/local/lib)
+    find_library(_GTEST_MAIN_LIBRARY gtest_main
+      PATHS
+      ~/sw/gtest/lib
+      /opt/local/lib
+      /usr/local/lib)
+  endif(GTEST_PREFIX)
+  if(_GTEST_INCLUDE_DIR AND _GTEST_LIBRARY AND _GTEST_MAIN_LIBRARY)
+    set(GTEST_FOUND true)
+    set(GTEST_INCLUDE_DIRS ${_GTEST_INCLUDE_DIR} CACHE PATH
+      "Include directories for Google Test framework")
+    set(GTEST_LIBRARIES ${_GTEST_LIBRARY} CACHE FILEPATH
+      "Libraries to link for Google Test framework")
+    set(GTEST_MAIN_LIBRARIES ${_GTEST_MAIN_LIBRARY} CACHE FILEPATH
+      "Libraries to link for Google Test automatic main() definition")
+    mark_as_advanced(GTEST_INCLUDE_DIRS GTEST_LIBRARIES GTEST_MAIN_LIBRARIES)
+    if(NOT GoogleTest_FIND_QUIETLY)
+      message(STATUS "Found Google Test: ${GTEST_LIBRARIES}")
+    endif(NOT GoogleTest_FIND_QUIETLY)
+  else(_GTEST_INCLUDE_DIR AND _GTEST_LIBRARY AND _GTEST_MAIN_LIBRARY)
+    if(GoogleTest_FIND_REQUIRED)
+      message(FATAL_ERROR "Could not find the Google Test framework")
+    endif(GoogleTest_FIND_REQUIRED)
+  endif(_GTEST_INCLUDE_DIR AND _GTEST_LIBRARY AND _GTEST_MAIN_LIBRARY)
+endif(GTEST_INCLUDE_DIRS AND GTEST_LIBRARIES AND GTEST_MAIN_LIBRARIES)

src/Unittests/CMakeLists.txt

+include (ACGCommon)
+
+include_directories (
+  ..
+  ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# Search for gtest headers and libraries
+find_package(GoogleTest)
+
+if(GTEST_FOUND)
+   
+    # Set correct include paths so that the compiler can find the headers
+    include_directories(${GTEST_INCLUDE_DIRS})
+    # Create new target named unittests_hexmeshing
+    add_executable(unittests EXCLUDE_FROM_ALL unittests.cc)
+    # Link against all necessary libraries
+    target_link_libraries(unittests OpenMeshCore OpenMeshTools gtest gtest_main pthread)
+    # Set output directory to ${BINARY_DIR}/Unittests
+    set_target_properties(unittests PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/Unittests)
+    # Set compiler flags
+    set_target_properties(unittests PROPERTIES COMPILE_FLAGS "-g -pedantic -ansi -Wno-long-long")
+    acg_copy_after_build(unittests ${CMAKE_CURRENT_SOURCE_DIR}/TestFiles ${CMAKE_BINARY_DIR}/Unittests/)
+
+else(GTEST_FOUND)
+    message("Google testing framework was not found!")
+endif(GTEST_FOUND)

src/Unittests/unittests.cc

+#include <gtest/gtest.h>
+
+#include "unittests_loading.hh"
+
+int main(int _argc, char** _argv) {
+
+    testing::InitGoogleTest(&_argc, _argv);
+    return RUN_ALL_TESTS();
+}

src/Unittests/unittests_loading.hh

+#ifndef INCLUDE_UNITTESTS_LOADING_CC
+#define INCLUDE_UNITTESTS_LOADING_CC
+
+#include <gtest/gtest.h>
+#include <OpenMesh/Core/IO/MeshIO.hh>
+
+#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
+
+struct CustomTraits : public OpenMesh::DefaultTraits {
+};
+
+typedef OpenMesh::TriMesh_ArrayKernelT<CustomTraits> Mesh;
+
+/*
+ * Simple test setting.
+ */
+
+class OpenMeshLoader : public testing::Test {
+
+    protected:
+
+        // This function is called before each test is run
+        virtual void SetUp() {
+            
+            // Do some initial stuff with the member data here...
+        }
+
+        // This function is called after all tests are through
+        virtual void TearDown() {
+
+            // Do some final stuff with the member data here...
+        }
+
+    // This member will be accessible in all tests
+    Mesh mesh_;  
+};
+
+/*
+ * ====================================================================
+ * Define tests below
+ * ====================================================================
+ */
+
+/*
+ * Just load a simple mesh file in obj format and count whether
+ * the right number of entities has been loaded.
+ */
+TEST_F(OpenMeshLoader, LoadSimpleOFFFile) {
+
+    bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.off");
+
+    EXPECT_TRUE(ok);
+
+    EXPECT_EQ(7526, mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
+    EXPECT_EQ(22572, mesh_.n_edges()) << "The number of loaded edges is not correct!";
+    EXPECT_EQ(15048, mesh_.n_faces()) << "The number of loaded faces is not correct!";
+}
+
+#endif // INCLUDE GUARD