diff --git a/cgogn/core/basic/cell.h b/cgogn/core/basic/cell.h
index 9e597a39..46a9c17a 100644
--- a/cgogn/core/basic/cell.h
+++ b/cgogn/core/basic/cell.h
@@ -25,6 +25,8 @@
 #define CORE_BASIC_CELL_H_
 
 #include <core/basic/dart.h>
+
+#include <utils/assert.h>
 #include <utils/definitions.h>
 
 /**
@@ -60,7 +62,7 @@ inline std::string orbit_name(Orbit orbit)
 		case Orbit::PHI2_PHI3: return "Orbit::PHI2_PHI3"; break;
 		case Orbit::PHI21: return "Orbit::PHI21"; break;
 		case Orbit::PHI21_PHI31: return "Orbit::PHI21_PHI31"; break;
-		default: cgogn_assert_not_reached("orbit of this name do not exist"); break;
+		default: cgogn_assert_not_reached("This orbit does not exist"); break;
 	}
 	return "UNKNOWN";
 }
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a9728a90..b04b66c4 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,7 +1,8 @@
 cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
 
 project(cgogn_test
-        LANGUAGES CXX)
+	LANGUAGES CXX
+)
 
 set(CGOGN_TEST_PREFIX "test_")
 
diff --git a/thirdparty/CMakeLists.txt b/thirdparty/CMakeLists.txt
index 337443ee..15ce7ffe 100644
--- a/thirdparty/CMakeLists.txt
+++ b/thirdparty/CMakeLists.txt
@@ -1,7 +1,7 @@
-if (CGOGN_PROVIDE_EIGEN)
+if(CGOGN_PROVIDE_EIGEN)
 	add_subdirectory(eigen-3.2.7)
 endif(CGOGN_PROVIDE_EIGEN)
 
 if(CGOGN_BUILD_TESTS)
 	add_subdirectory(gtest)
-endif(CGOGN_BUILD_TESTS)
\ No newline at end of file
+endif(CGOGN_BUILD_TESTS)
diff --git a/utest/cgogn/core/CMakeLists.txt b/utest/cgogn/core/CMakeLists.txt
index ec3c1735..44a933a8 100644
--- a/utest/cgogn/core/CMakeLists.txt
+++ b/utest/cgogn/core/CMakeLists.txt
@@ -9,6 +9,7 @@ set(SOURCE_FILES
 	# basic/cell_marker_test.cpp
 	
 	container/chunk_array_container_test.cpp
+
 	main.cpp
 )
 
@@ -18,10 +19,6 @@ add_executable(${PROJECT_NAME} ${SOURCE_FILES})
 target_link_libraries(cgogn_core_test gtest cgogn_core)
 
 target_include_directories(cgogn_core_test PRIVATE ${CMAKE_SOURCE_DIR}/thirdparty/gtest/include)
-target_include_directories(cgogn_core_test PRIVATE ${CMAKE_SOURCE_DIR}/cgogn)
-
-
 link_directories(${CMAKE_SOURCE_DIR}/thirdparty/gtest/lib)
 
-
 add_test(NAME "${PROJECT_NAME}" WORKING_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}" COMMAND ${PROJECT_NAME})
diff --git a/utest/cgogn/core/basic/cell_test.cpp b/utest/cgogn/core/basic/cell_test.cpp
index 4f5e2fba..9b237155 100644
--- a/utest/cgogn/core/basic/cell_test.cpp
+++ b/utest/cgogn/core/basic/cell_test.cpp
@@ -21,46 +21,46 @@ const Dart dmax(std::numeric_limits<unsigned int>::max());
 
 TEST(CellTest, DefaultConstructor)
 {
-	Cell<VERTEX1> c;
+	Cell<Orbit::DART> c;
 	Dart d = c;
 	EXPECT_EQ(std::numeric_limits<unsigned int>::max(), d.index);
 }
 
 TEST(CellTest, Constructor)
 {
-	Cell<VERTEX1> c(dglobal);
+	Cell<Orbit::DART> c(dglobal);
 	Dart d = c;
 	EXPECT_EQ(10u, d.index);
 }
 
 TEST(CellTest, OutOfLimitConstructor)
 {
-	Cell<VERTEX1> c1 = dmax;
+	Cell<Orbit::DART> c1 = dmax;
 	Dart d1 = c1;
-	Cell<VERTEX1> c2;
+	Cell<Orbit::DART> c2;
 	Dart d2 = c2;
 	EXPECT_EQ(d1.index, d2.index);
 }
 
 TEST(CellTest, CopyConstructor)
 {
-	Cell<VERTEX1> c = dglobal;
+	Cell<Orbit::DART> c = dglobal;
 	Dart d = c;
-	Cell<VERTEX1> ccopy(c);
+	Cell<Orbit::DART> ccopy(c);
 	Dart dcopy = ccopy;
 	EXPECT_EQ(d.index, dcopy.index);
 }
 
 TEST(CellTest, IsValid)
 {
-	Cell<VERTEX1> c = dglobal;
+	Cell<Orbit::DART> c = dglobal;
 	EXPECT_TRUE(c.is_valid());
 }
 
 TEST(CellTest, Assignation)
 {
-	Cell<VERTEX1> c1 = dglobal;
-	Cell<VERTEX1> c2;
+	Cell<Orbit::DART> c1 = dglobal;
+	Cell<Orbit::DART> c2;
 	c2 = c1;
 
 	Dart d2 = c2;
@@ -70,7 +70,7 @@ TEST(CellTest, Assignation)
 
 TEST(CellTest, PrintingOut)
 {
-	Cell<VERTEX1> c = dglobal;
+	Cell<Orbit::DART> c = dglobal;
 	std::ostringstream s;
 	s << "c=" << c;
 	EXPECT_EQ(0, strcmp(s.str().c_str(), "c=10"));
@@ -78,7 +78,7 @@ TEST(CellTest, PrintingOut)
 
 TEST(CellTest, ReadingIn)
 {
-	Cell<VERTEX1> c;
+	Cell<Orbit::DART> c;
 	std::istringstream s("10");
 	s >> c;
 
@@ -87,4 +87,4 @@ TEST(CellTest, ReadingIn)
 	EXPECT_EQ(10u, d.index);
 }
 
-} //namespace cgogn
+} // namespace cgogn
diff --git a/utest/cgogn/core/basic/dart_test.cpp b/utest/cgogn/core/basic/dart_test.cpp
index 7f1cffd8..c24d0be0 100644
--- a/utest/cgogn/core/basic/dart_test.cpp
+++ b/utest/cgogn/core/basic/dart_test.cpp
@@ -77,4 +77,4 @@ TEST(DartTest, ReadingIn)
 	EXPECT_EQ(10u, d.index);
 }
 
-} //namespace cgogn
+} // namespace cgogn
diff --git a/utest/cgogn/core/container/chunk_array_container_test.cpp b/utest/cgogn/core/container/chunk_array_container_test.cpp
index 7d3197f7..dd3be697 100644
--- a/utest/cgogn/core/container/chunk_array_container_test.cpp
+++ b/utest/cgogn/core/container/chunk_array_container_test.cpp
@@ -7,8 +7,8 @@ namespace cgogn
 
 class ChunkArrayContainerTest : public ::testing::Test
 {
-
 protected:
+
 	ChunkArrayContainerTest() 
 	{}
 
@@ -21,10 +21,8 @@ class ChunkArrayContainerTest : public ::testing::Test
 	void testAddAttribute()
 	{
 		std::cout << "test" << std::endl;
-		//avec un grand nombre de type
-		//
+		// avec un grand nombre de type
 	}
-
 };
 
 // Test
@@ -33,4 +31,4 @@ TEST_F(ChunkArrayContainerTest, testAddAttribute)
 	this->testAddAttribute();
 }
 
-} //end namespace cgogn
\ No newline at end of file
+} // namespace cgogn
diff --git a/utest/cgogn/core/main.cpp b/utest/cgogn/core/main.cpp
index ae0b40b3..07981a20 100644
--- a/utest/cgogn/core/main.cpp
+++ b/utest/cgogn/core/main.cpp
@@ -1,11 +1,13 @@
 #include <iostream>
+
 #include "gtest/gtest.h"
 
-int main(int argc, char **argv) {
-    testing::InitGoogleTest(&argc, argv);
+int main(int argc, char **argv)
+{
+	testing::InitGoogleTest(&argc, argv);
 
-    // Set LC_CTYPE according to the environnement variable.
-    setlocale(LC_CTYPE, "");
+	// Set LC_CTYPE according to the environnement variable.
+	setlocale(LC_CTYPE, "");
 
-    return RUN_ALL_TESTS();
+	return RUN_ALL_TESTS();
 }