Function TEST

source/MRTest/MRMeshTests.cpp:12–68

{

TEST(MRMesh, Pack)
{
    Triangulation t{
        { 0_v, 1_v, 2_v },
        { 0_v, 2_v, 3_v }
    };
    Mesh mesh;
    EXPECT_TRUE( mesh.topology.checkValidity() );

    mesh.topology = MeshBuilder::fromTriangles( t );
    mesh.points.emplace_back( 0.f, 0.f, 0.f );
    mesh.points.emplace_back( 1.f, 0.f, 0.f );
    mesh.points.emplace_back( 1.f, 1.f, 0.f );
    mesh.points.emplace_back( 0.f, 1.f, 0.f );

    EXPECT_TRUE( mesh.topology.checkValidity() );
    EXPECT_EQ( mesh.points.size(), 4 );
    EXPECT_EQ( mesh.topology.edgePerVertex().size(), 4 );
    EXPECT_EQ( mesh.topology.edgePerFace().size(), 2 );
    EXPECT_EQ( mesh.topology.lastNotLoneEdge(), EdgeId(9) ); // 5*2 = 10 half-edges in total

    Mesh dbl = mesh;
    dbl.addMesh( mesh );
    EXPECT_TRUE( dbl.topology.checkValidity() );
    EXPECT_EQ( dbl.points.size(), 8 );
    EXPECT_EQ( dbl.topology.numValidVerts(), 8 );
    EXPECT_EQ( dbl.topology.numValidFaces(), 4 );
    EXPECT_EQ( dbl.topology.lastNotLoneEdge(), EdgeId(19) ); // 10*2 = 20 half-edges in total

    mesh.topology.deleteFace( 1_f );
    EXPECT_TRUE( mesh.topology.checkValidity() );
    EXPECT_EQ( mesh.points.size(), 4 );
    EXPECT_EQ( mesh.topology.edgePerVertex().size(), 4 );
    EXPECT_EQ( mesh.topology.edgePerFace().size(), 2 );

    mesh.pack();
    EXPECT_TRUE( mesh.topology.checkValidity() );
    EXPECT_EQ( mesh.points.size(), 3 );
    EXPECT_EQ( mesh.topology.edgePerVertex().size(), 3 );
    EXPECT_EQ( mesh.topology.numValidVerts(), 3 );
    EXPECT_EQ( mesh.topology.edgePerFace().size(), 1 );
    EXPECT_EQ( mesh.topology.numValidFaces(), 1 );
    EXPECT_EQ( mesh.topology.lastNotLoneEdge(), EdgeId(5) ); // 3*2 = 6 half-edges in total

    mesh.topology.deleteFace( FaceId( 0 ) );
    EXPECT_TRUE( mesh.topology.checkValidity() );
    EXPECT_EQ( mesh.points.size(), 3 );
    EXPECT_EQ( mesh.topology.edgePerVertex().size(), 3 );
    EXPECT_EQ( mesh.topology.edgePerFace().size(), 1 );

    mesh.pack();
    EXPECT_TRUE( mesh.topology.checkValidity() );
    EXPECT_EQ( mesh.points.size(), 0 );
    EXPECT_EQ( mesh.topology.edgePerVertex().size(), 0 );
    EXPECT_EQ( mesh.topology.edgePerFace().size(), 0 );
    EXPECT_EQ( mesh.topology.lastNotLoneEdge(), EdgeId() );
}