Tests for ply reader with and without normals, ascii mode

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@477 fdac6126-5c0c-442c-9429-916003d36597

src/Unittests/TestFiles/cube-minimal-normals.ply

+ply
+format ascii 1.0
+element vertex 8
+property float32 x
+property float32 y
+property float32 z
+property float32 nx
+property float32 ny
+property float32 nz
+element face 6
+property list uint8 int32 vertex_indices
+end_header
+-1 -1 -1 0.0  0.0  1.0
+1 -1 -1 0.0  1.0  0.0
+1 1 -1 0.0  1.0  1.0
+-1 1 -1 1.0 0.0  0.0
+-1 -1 1 1.0  0.0  1.0
+1 -1 1 1.0  1.0  0.0
+1 1 1 1.0  1.0  1.0
+-1 1 1 1.0  1.0  2.0
+4 0 1 2 3 
+4 5 4 7 6 
+4 6 2 1 5 
+4 3 7 4 0 
+4 7 3 2 6 
+4 5 1 0 4 

src/Unittests/TestFiles/cube-minimal.ply

+ply
+format ascii 1.0
+element vertex 8
+property float32 x
+property float32 y
+property float32 z
+element face 6
+property list uint8 int32 vertex_indices
+end_header
+-1 -1 -1 
+1 -1 -1 
+1 1 -1 
+-1 1 -1 
+-1 -1 1 
+1 -1 1 
+1 1 1 
+-1 1 1 
+4 0 1 2 3 
+4 5 4 7 6 
+4 6 2 1 5 
+4 3 7 4 0 
+4 7 3 2 6 
+4 5 1 0 4 

src/Unittests/unittests_loading.hh

@@ -174,9 +174,62 @@ TEST_F(OpenMeshLoader, LoadSimpleOBJWithVertexColorsAsVCLines) {
 
 }
 
+/*
+ * Just load a ply
+ */
+TEST_F(OpenMeshLoader, LoadSimplePLY) {
+
+    mesh_.clear();
+
+    bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal.ply");
+
+    EXPECT_TRUE(ok) << "Unable to load cube-minimal.ply";
+
+    EXPECT_EQ(8,   mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
+    EXPECT_EQ(18,  mesh_.n_edges()) << "The number of loaded edges is not correct!";
+    EXPECT_EQ(12,  mesh_.n_faces()) << "The number of loaded faces is not correct!";
+
+}
+
+
+/*
+ * Just load a ply with normals, ascii mode
+ */
+TEST_F(OpenMeshLoader, LoadSimplePLYWithNormals) {
+
+    mesh_.clear();
+
+    mesh_.request_vertex_normals();
+ 
+    bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal-normals.ply");
 
+    EXPECT_TRUE(ok) << "Unable to load cube-minimal-normals.ply";
+
+    EXPECT_EQ(8,   mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
+    EXPECT_EQ(18,  mesh_.n_edges()) << "The number of loaded edges is not correct!";
+    EXPECT_EQ(12,  mesh_.n_faces()) << "The number of loaded faces is not correct!";
 
 
+    EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(0))[0] ) << "Wrong normal at vertex 0 component 0";
+    EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(0))[1] ) << "Wrong normal at vertex 0 component 1";
+    EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(0))[2] ) << "Wrong normal at vertex 0 component 2";
+
+    EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(3))[0] ) << "Wrong normal at vertex 3 component 0";
+    EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(3))[1] ) << "Wrong normal at vertex 3 component 1";
+    EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(3))[2] ) << "Wrong normal at vertex 3 component 2";
+
+    EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(4))[0] ) << "Wrong normal at vertex 4 component 0";
+    EXPECT_EQ(0, mesh_.normal(mesh_.vertex_handle(4))[1] ) << "Wrong normal at vertex 4 component 1";
+    EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(4))[2] ) << "Wrong normal at vertex 4 component 2";
+
+    EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(7))[0] ) << "Wrong normal at vertex 7 component 0";
+    EXPECT_EQ(1, mesh_.normal(mesh_.vertex_handle(7))[1] ) << "Wrong normal at vertex 7 component 1";
+    EXPECT_EQ(2, mesh_.normal(mesh_.vertex_handle(7))[2] ) << "Wrong normal at vertex 7 component 2";
+
+    mesh_.release_vertex_normals();
+
+}
+
 
 
 #endif // INCLUDE GUARD