TEST(TriangleMesh3, ReadObj) {
std::string objStr = getCubeTriMesh3x3x3Obj();
std::istringstream objStream(objStr);
TriangleMesh3 mesh;
mesh.readObj(&objStream);
EXPECT_EQ(56u, mesh.numberOfPoints());
EXPECT_EQ(96u, mesh.numberOfNormals());
EXPECT_EQ(76u, mesh.numberOfUvs());
EXPECT_EQ(108u, mesh.numberOfTriangles());
}
TEST(TriangleMesh3, Builder) {
TriangleMesh3::PointArray points = {
Vector3D(1, 2, 3),
Vector3D(4, 5, 6),
Vector3D(7, 8, 9),
Vector3D(10, 11, 12)
};
TriangleMesh3::NormalArray normals = {
Vector3D(10, 11, 12),
Vector3D(7, 8, 9),
Vector3D(4, 5, 6),
Vector3D(1, 2, 3)
};
TriangleMesh3::UvArray uvs = {
Vector2D(13, 14),
Vector2D(15, 16)
};
TriangleMesh3::IndexArray pointIndices = {
Point3UI(0, 1, 2),
Point3UI(0, 1, 3)
};
TriangleMesh3::IndexArray normalIndices = {
Point3UI(1, 2, 3),
Point3UI(2, 1, 0)
};
TriangleMesh3::IndexArray uvIndices = {
Point3UI(1, 0, 2),
Point3UI(3, 1, 0)
};
TriangleMesh3 mesh = TriangleMesh3::builder()
.withPoints(points)
.withNormals(normals)
.withUvs(uvs)
.withPointIndices(pointIndices)
.withNormalIndices(normalIndices)
.withUvIndices(uvIndices)
.build();
EXPECT_EQ(4u, mesh.numberOfPoints());
EXPECT_EQ(4u, mesh.numberOfNormals());
EXPECT_EQ(2u, mesh.numberOfUvs());
EXPECT_EQ(2u, mesh.numberOfTriangles());
for (size_t i = 0; i < mesh.numberOfPoints(); ++i) {
EXPECT_EQ(points[i], mesh.point(i));
}
for (size_t i = 0; i < mesh.numberOfNormals(); ++i) {
EXPECT_EQ(normals[i], mesh.normal(i));
}
for (size_t i = 0; i < mesh.numberOfUvs(); ++i) {
EXPECT_EQ(uvs[i], mesh.uv(i));
}
for (size_t i = 0; i < mesh.numberOfTriangles(); ++i) {
EXPECT_EQ(pointIndices[i], mesh.pointIndex(i));
EXPECT_EQ(normalIndices[i], mesh.normalIndex(i));
EXPECT_EQ(uvIndices[i], mesh.uvIndex(i));
}
}