Commit 1d28bd15 authored by Matthias Möller's avatar Matthias Möller
Browse files

add obj writer unittest

refs #2525

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1326 fdac6126-5c0c-442c-9429-916003d36597
parent b6c10de4
#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <cstdio>
namespace {
......@@ -340,5 +341,61 @@ TEST_F(OpenMeshReadWriteOBJ, LoadSimpleOBJWithVertexColorsAsVCLines) {
mesh_.release_vertex_colors();
}
/*
* Load, save and load a simple obj
*/
TEST_F(OpenMeshReadWriteOBJ, ReadWriteReadSimpleOBJ) {
mesh_.clear();
mesh_.request_vertex_normals();
OpenMesh::IO::Options options;
options += OpenMesh::IO::Options::VertexNormal;
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal.obj", options);
EXPECT_TRUE(ok) << "Unable to load cube-minimal.obj";
options.clear();
options += OpenMesh::IO::Options::VertexNormal;
const char* filename = "cube-minimal_openmeshOutputTestfile.obj";
ok = OpenMesh::IO::write_mesh(mesh_, filename, options);
mesh_.release_vertex_normals();
ASSERT_TRUE(ok) << "Unable to write obj mesh";
Mesh mesh2;
mesh2.request_vertex_normals();
options.clear();
options += OpenMesh::IO::Options::VertexNormal;
ok = OpenMesh::IO::read_mesh(mesh2, filename, options);
remove(filename);
ASSERT_TRUE(ok) << "Unable to read written mesh";
EXPECT_EQ(8u , mesh2.n_vertices()) << "The number of loaded vertices is not correct!";
EXPECT_EQ(18u , mesh2.n_edges()) << "The number of loaded edges is not correct!";
EXPECT_EQ(12u , mesh2.n_faces()) << "The number of loaded faces is not correct!";
///////////////////////////////////////////////
//check vertex normals
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(0))[0] ) << "Wrong vertex normal at vertex 0 component 0";
EXPECT_EQ(-1, mesh2.normal(mesh2.vertex_handle(0))[1] ) << "Wrong vertex normal at vertex 0 component 1";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(0))[2] ) << "Wrong vertex normal at vertex 0 component 2";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(3))[0] ) << "Wrong vertex normal at vertex 3 component 0";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(3))[1] ) << "Wrong vertex normal at vertex 3 component 1";
EXPECT_EQ(1, mesh2.normal(mesh2.vertex_handle(3))[2] ) << "Wrong vertex normal at vertex 3 component 2";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(4))[0] ) << "Wrong vertex normal at vertex 4 component 0";
EXPECT_EQ(-1, mesh2.normal(mesh2.vertex_handle(4))[1] ) << "Wrong vertex normal at vertex 4 component 1";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(4))[2] ) << "Wrong vertex normal at vertex 4 component 2";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(7))[0] ) << "Wrong vertex normal at vertex 7 component 0";
EXPECT_EQ(0, mesh2.normal(mesh2.vertex_handle(7))[1] ) << "Wrong vertex normal at vertex 7 component 1";
EXPECT_EQ(1, mesh2.normal(mesh2.vertex_handle(7))[2] ) << "Wrong vertex normal at vertex 7 component 2";
}
}
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