Added Unittest for vec2i and trimesh

src/Unittests/unittests_trimesh_vec2i.cc

@@ -0,0 +1,84 @@
+#include <gtest/gtest.h>
+#include <Unittests/unittests_common.hh>
+
+#include <iostream>
+
+struct CustomTraitsVec2i : OpenMesh::DefaultTraits
+{
+    typedef OpenMesh::Vec2i Point;
+};
+
+
+typedef OpenMesh::TriMesh_ArrayKernelT<CustomTraitsVec2i> TriMeshVec2i;
+
+
+/*
+ * OpenMesh Triangular with Vec2i
+ */
+
+class OpenMeshBaseTriVec2i : 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
+   TriMeshVec2i mesh_;
+};
+
+
+namespace {
+
+/*
+ * ====================================================================
+ * Define tests below
+ * ====================================================================
+ */
+
+/*
+ * Checking for feature edges based on angle
+ */
+TEST_F(OpenMeshBaseTriVec2i, Instance_Vec2i_Mesh) {
+
+  mesh_.clear();
+
+  // Add some vertices
+  TriMeshVec2i::VertexHandle vhandle[4];
+
+  vhandle[0] = mesh_.add_vertex(TriMeshVec2i::Point(0, 0));
+  vhandle[1] = mesh_.add_vertex(TriMeshVec2i::Point(0, 1));
+  vhandle[2] = mesh_.add_vertex(TriMeshVec2i::Point(1, 1));
+
+  // Add face
+  std::vector<TriMeshVec2i::VertexHandle> face_vhandles;
+
+  face_vhandles.push_back(vhandle[0]);
+  face_vhandles.push_back(vhandle[1]);
+  face_vhandles.push_back(vhandle[2]);
+  mesh_.add_face(face_vhandles);
+
+  // ===============================================
+  // Setup complete
+  // ===============================================
+
+  // Check one Request only vertex normals
+  // Face normals are required for vertex and halfedge normals, so 
+  // that prevent access to non existing properties are in place
+
+  mesh_.request_vertex_normals();
+  mesh_.request_halfedge_normals();
+  mesh_.request_face_normals();
+
+}
+
+}