Commit c92a6666 authored by Max Lyon's avatar Max Lyon

add unittest for writing and reading double positions and normals

parent 2a773f20
......@@ -1472,4 +1472,32 @@ TEST_F(OpenMeshReadWriteOM, LoadTriMeshVersion_7_5) {
EXPECT_FALSE(ok) << file_name;
}
/*
* Try to write and load positions and normals that can only be represented by doubles
*/
TEST_F(OpenMeshReadWriteOM, WriteAndLoadDoubles) {
typedef OpenMesh::PolyMesh_ArrayKernelT<OpenMesh::DefaultTraitsDouble> DoublePolyMesh;
DoublePolyMesh mesh;
mesh.request_vertex_normals();
mesh.add_vertex(DoublePolyMesh::Point(1.0/3.0, std::numeric_limits<double>::min(), std::numeric_limits<double>::max()));
mesh.set_normal(OpenMesh::VertexHandle(0), DoublePolyMesh::Normal(1.0/3.0, std::numeric_limits<double>::min(), std::numeric_limits<double>::max()));
std::string file_name = "doubles.om";
OpenMesh::IO::Options opt = OpenMesh::IO::Options::VertexNormal;
ASSERT_TRUE(OpenMesh::IO::write_mesh(mesh, file_name, opt)) << "Could not write file " << file_name;
DoublePolyMesh mesh2;
mesh2.request_vertex_normals();
ASSERT_TRUE(OpenMesh::IO::read_mesh(mesh2, file_name, opt)) << "Could not read file " << file_name;
EXPECT_EQ(mesh.point(OpenMesh::VertexHandle(0)), mesh2.point(OpenMesh::VertexHandle(0)));
EXPECT_EQ(mesh.normal(OpenMesh::VertexHandle(0)), mesh2.normal(OpenMesh::VertexHandle(0)));
}
}
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