sculpt_undo_test.cc

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/* SPDX-FileCopyrightText: 2025 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BKE_idtype.hh"
#include "BKE_lib_id.hh"
 
#include "DNA_mesh_types.h"
 
#include "GEO_mesh_primitive_cuboid.hh"
 
#include "sculpt_undo.hh"
 
#include "CLG_log.h"
 
#include "testing/testing.h"
 
namespace blender::ed::sculpt_paint::undo::tests {
 
class SculptUndoTest : public testing::Test {
 public:
  Mesh *cube_mesh;
 
  static void SetUpTestSuite()
  {
    CLG_init();
    BKE_idtype_init();
  }
 
  static void TearDownTestSuite()
  {
    CLG_exit();
  }
 
  void SetUp() override
  {
    cube_mesh = geometry::create_cuboid_mesh(float3(1, 1, 1), 50, 50, 50);
  }
 
  void TearDown() override
  {
    BKE_id_free(nullptr, cube_mesh);
  }
};
 
TEST_F(SculptUndoTest, CompressRoundTrip)
{
  Mesh *mesh = this->cube_mesh;
 
  Vector<std::byte> buffer;
  Vector<std::byte> compressed;
 
  {
    compression::filter_compress<float3>(mesh->vert_positions(), buffer, compressed);
    Vector<float3> decompressed;
    compression::filter_decompress<float3>(compressed, buffer, decompressed);
    EXPECT_EQ(mesh->vert_positions().size(), decompressed.size());
    EXPECT_EQ_SPAN(mesh->vert_positions(), decompressed.as_span());
  }
 
  {
    compression::filter_compress<int>(mesh->corner_verts(), buffer, compressed);
    Vector<int> decompressed;
    compression::filter_decompress<int>(compressed, buffer, decompressed);
    EXPECT_EQ(mesh->corner_verts().size(), decompressed.size());
    EXPECT_EQ_SPAN(mesh->corner_verts(), decompressed.as_span());
  }
}
 
}  // namespace blender::ed::sculpt_paint::undo::tests