//=========================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//=========================================================================
#include "smtk/model/Entity.h"
#include "smtk/model/EntityTypeBits.h"

#include "smtk/model/IntegerData.h"
#include "smtk/model/testing/cxx/helpers.h"

#include "smtk/common/testing/cxx/helpers.h"

#include <iostream>
#include <sstream>

#include <assert.h>

using namespace smtk::common;
using namespace smtk::model;
using namespace smtk::model::testing;

static const char* correct = "0x00000101  vertex\n"
                             "0x00000102  edge\n"
                             "0x00000104  face\n"
                             "0x00000108  volume\n"
                             "0x00000110  spacetime\n"
                             "0x00000100  mixed-dimension cell\n"
                             "0x00000201  vertex use\n"
                             "0x00000202  edge use\n"
                             "0x00000204  face use\n"
                             "0x00000403  chain\n"
                             "0x00000406  loop\n"
                             "0x0000040c  shell\n"
                             "0x00000801  group (0-d entities)\n"
                             "0x00000802  group (1-d entities)\n"
                             "0x00000804  group (2-d entities)\n"
                             "0x00000808  group (3-d entities)\n"
                             "0x00000809  group (0,3-d entities)\n"
                             "0x02000804  domain group (2-d entities)\n"
                             "0x02000808  domain group (3-d entities)\n"
                             "0x01000804  boundary group (2-d entities)\n"
                             "0x01000808  boundary group (3-d entities)\n"
                             "0x02000800  domain group\n"
                             "0x01000800  boundary group\n"
                             "0x02000900  domain group (cells)\n"
                             "0x01000902  boundary group (1-d cells)\n"
                             "0x00002e04  group (2-d uses, shells, instances)\n"
                             "0x00008001  auxiliary point\n"
                             "0x00008002  auxiliary curve\n"
                             "0x00008004  auxiliary surface\n"
                             "0x00008008  auxiliary volume\n"
                             "0x00008010  auxiliary spacetime\n"
                             "0x00008000  auxiliary geometry\n"
                             "0x00000101  vertices\n"
                             "0x00000102  edges\n"
                             "0x00000104  faces\n"
                             "0x00000108  volumes\n"
                             "0x00000110  spacetimes\n"
                             "0x00000100  mixed-dimension cells\n"
                             "0x00000201  vertex uses\n"
                             "0x00000202  edge uses\n"
                             "0x00000204  face uses\n"
                             "0x00000403  chains\n"
                             "0x00000406  loops\n"
                             "0x0000040c  shells\n"
                             "0x00000801  groups (0-d entities)\n"
                             "0x00000802  groups (1-d entities)\n"
                             "0x00000804  groups (2-d entities)\n"
                             "0x00000808  groups (3-d entities)\n"
                             "0x00000809  groups (0,3-d entities)\n"
                             "0x02000804  domain groups (2-d entities)\n"
                             "0x02000808  domain groups (3-d entities)\n"
                             "0x01000804  boundary groups (2-d entities)\n"
                             "0x01000808  boundary groups (3-d entities)\n"
                             "0x02000800  domain groups\n"
                             "0x01000800  boundary groups\n"
                             "0x02000900  domain groups (cells)\n"
                             "0x01000902  boundary groups (1-d cells)\n"
                             "0x00002e04  groups (2-d uses, shells, instances)\n"
                             "0x00008001  auxiliary points\n"
                             "0x00008002  auxiliary curves\n"
                             "0x00008004  auxiliary surfaces\n"
                             "0x00008008  auxiliary volumes\n"
                             "0x00008010  auxiliary spacetimes\n"
                             "0x00008000  auxiliary geometries\n"
                             "0x00000101  vertex 0\n"
                             "0x00000102  edge 0\n"
                             "0x00000104  face 0\n"
                             "0x00000108  volume 0\n"
                             "0x00000201  vertex use 1\n"
                             "0x00000202  edge use 1\n"
                             "0x00000204  face use 1\n"
                             "0x00000403  chain 2\n"
                             "0x00000406  loop 2\n"
                             "0x0000040c  shell 2\n"
                             "0x00000801  group 3\n"
                             "0x00000802  group 4\n"
                             "0x00000804  group 5\n"
                             "0x00000808  group 6\n"
                             "0x00000809  group 7\n"
                             "0x02000804  domain group 3\n"
                             "0x02000808  domain group 4\n"
                             "0x01000804  boundary group 3\n"
                             "0x01000808  boundary group 4\n"
                             "0x02000800  domain group 5\n"
                             "0x01000800  boundary group 5\n";

void EntityNamesForForm(std::ostringstream& summaries, int form)
{
  summaries << "0x" << hexconst(CELL_0D) << "  " << Entity::flagSummary(CELL_0D, form) << "\n"
            << "0x" << hexconst(CELL_1D) << "  " << Entity::flagSummary(CELL_1D, form) << "\n"
            << "0x" << hexconst(CELL_2D) << "  " << Entity::flagSummary(CELL_2D, form) << "\n"
            << "0x" << hexconst(CELL_3D) << "  " << Entity::flagSummary(CELL_3D, form) << "\n"
            << "0x" << hexconst(CELL_ENTITY | DIMENSION_4) << "  "
            << Entity::flagSummary(CELL_ENTITY | DIMENSION_4, form) << "\n"
            << "0x" << hexconst(CELL_ENTITY) << "  " << Entity::flagSummary(CELL_ENTITY, form)
            << "\n"

            << "0x" << hexconst(USE_0D) << "  " << Entity::flagSummary(USE_0D, form) << "\n"
            << "0x" << hexconst(USE_1D) << "  " << Entity::flagSummary(USE_1D, form) << "\n"
            << "0x" << hexconst(USE_2D) << "  " << Entity::flagSummary(USE_2D, form) << "\n"

            << "0x" << hexconst(SHELL_0D) << "  " << Entity::flagSummary(SHELL_0D, form) << "\n"
            << "0x" << hexconst(SHELL_1D) << "  " << Entity::flagSummary(SHELL_1D, form) << "\n"
            << "0x" << hexconst(SHELL_2D) << "  " << Entity::flagSummary(SHELL_2D, form) << "\n"

            << "0x" << hexconst(GROUP_0D) << "  " << Entity::flagSummary(GROUP_0D, form) << "\n"
            << "0x" << hexconst(GROUP_1D) << "  " << Entity::flagSummary(GROUP_1D, form) << "\n"
            << "0x" << hexconst(GROUP_2D) << "  " << Entity::flagSummary(GROUP_2D, form) << "\n"
            << "0x" << hexconst(GROUP_3D) << "  " << Entity::flagSummary(GROUP_3D, form) << "\n"

            << "0x" << hexconst(GROUP_0D | GROUP_3D) << "  "
            << Entity::flagSummary(GROUP_0D | GROUP_3D, form) << "\n"

            << "0x" << hexconst(GROUP_2D | MODEL_DOMAIN) << "  "
            << Entity::flagSummary(GROUP_2D | MODEL_DOMAIN, form) << "\n"
            << "0x" << hexconst(GROUP_3D | MODEL_DOMAIN) << "  "
            << Entity::flagSummary(GROUP_3D | MODEL_DOMAIN, form) << "\n"
            << "0x" << hexconst(GROUP_2D | MODEL_BOUNDARY) << "  "
            << Entity::flagSummary(GROUP_2D | MODEL_BOUNDARY, form) << "\n"
            << "0x" << hexconst(GROUP_3D | MODEL_BOUNDARY) << "  "
            << Entity::flagSummary(GROUP_3D | MODEL_BOUNDARY, form) << "\n"
            << "0x" << hexconst(GROUP_ENTITY | MODEL_DOMAIN) << "  "
            << Entity::flagSummary(GROUP_ENTITY | MODEL_DOMAIN, form) << "\n"
            << "0x" << hexconst(GROUP_ENTITY | MODEL_BOUNDARY) << "  "
            << Entity::flagSummary(GROUP_ENTITY | MODEL_BOUNDARY, form) << "\n"

            << "0x" << hexconst(GROUP_ENTITY | MODEL_DOMAIN | CELL_ENTITY) << "  "
            << Entity::flagSummary(GROUP_ENTITY | MODEL_DOMAIN | CELL_ENTITY, form) << "\n"
            << "0x" << hexconst(GROUP_ENTITY | MODEL_BOUNDARY | CELL_ENTITY | DIMENSION_1) << "  "
            << Entity::flagSummary(GROUP_ENTITY | MODEL_BOUNDARY | CELL_ENTITY | DIMENSION_1, form)
            << "\n"
            << "0x"
            << hexconst(GROUP_ENTITY | USE_ENTITY | SHELL_ENTITY | INSTANCE_ENTITY | DIMENSION_2)
            << "  "
            << Entity::flagSummary(
                 GROUP_ENTITY | USE_ENTITY | SHELL_ENTITY | INSTANCE_ENTITY | DIMENSION_2, form)
            << "\n"
            << "0x" << hexconst(AUX_GEOM_ENTITY | DIMENSION_0) << "  "
            << Entity::flagSummary(AUX_GEOM_ENTITY | DIMENSION_0, form) << "\n"
            << "0x" << hexconst(AUX_GEOM_ENTITY | DIMENSION_1) << "  "
            << Entity::flagSummary(AUX_GEOM_ENTITY | DIMENSION_1, form) << "\n"
            << "0x" << hexconst(AUX_GEOM_ENTITY | DIMENSION_2) << "  "
            << Entity::flagSummary(AUX_GEOM_ENTITY | DIMENSION_2, form) << "\n"
            << "0x" << hexconst(AUX_GEOM_ENTITY | DIMENSION_3) << "  "
            << Entity::flagSummary(AUX_GEOM_ENTITY | DIMENSION_3, form) << "\n"
            << "0x" << hexconst(AUX_GEOM_ENTITY | DIMENSION_4) << "  "
            << Entity::flagSummary(AUX_GEOM_ENTITY | DIMENSION_4, form) << "\n"
            << "0x" << hexconst(AUX_GEOM_ENTITY) << "  "
            << Entity::flagSummary(AUX_GEOM_ENTITY, form) << "\n";
}

int TestEntitySummary()
{
  smtk::model::Integer cdata[] = { 0, 0, 0, 0, 0, 0 };
  smtk::model::IntegerList counters(cdata, cdata + sizeof(cdata) / sizeof(cdata[0]));
  std::ostringstream summaries;

  // test default constructor
  Entity blank;

  // Test setting flags on invalid entity
  blank.setEntityFlags(GROUP_ENTITY | PARTITION);
  assert((blank.entityFlags() & (GROUP_ENTITY | PARTITION)) == (GROUP_ENTITY | PARTITION));

  // Test setting flags on valid entity (disallowed, so no effect)
  blank.setEntityFlags(CELL_2D);
  assert((blank.entityFlags() & (GROUP_ENTITY | PARTITION)) == (GROUP_ENTITY | PARTITION));

  // Test changing only property bits on valid entity (should succeed)
  blank.setEntityFlags(GROUP_ENTITY);
  assert(!(blank.entityFlags() & PARTITION));

  // Test Entity::dimensionBits()
  Entity shellEnt(SHELL_ENTITY | DIMENSION_1 | DIMENSION_2, -1);
  assert(shellEnt.dimensionBits() == 6);

  // Test Entity::flagDescription() and model/instance bit flags
  assert(Entity::flagDescription(MODEL_ENTITY, 1) == "models");
  assert(Entity::flagDescription(INSTANCE_ENTITY, 0) == "instance");

  // --- now test singular and plural forms pretty exhaustively
  EntityNamesForForm(summaries, /*singular*/ 0);
  EntityNamesForForm(summaries, /*plural*/ 1);

  // --- now test defaultNameFromCounters

  summaries << "0x" << hexconst(CELL_0D) << "  "
            << Entity::defaultNameFromCounters(CELL_0D, counters) << "\n";
  summaries << "0x" << hexconst(CELL_1D) << "  "
            << Entity::defaultNameFromCounters(CELL_1D, counters) << "\n";
  summaries << "0x" << hexconst(CELL_2D) << "  "
            << Entity::defaultNameFromCounters(CELL_2D, counters) << "\n";
  summaries << "0x" << hexconst(CELL_3D) << "  "
            << Entity::defaultNameFromCounters(CELL_3D, counters) << "\n";

  summaries << "0x" << hexconst(USE_0D) << "  " << Entity::defaultNameFromCounters(USE_0D, counters)
            << "\n";
  summaries << "0x" << hexconst(USE_1D) << "  " << Entity::defaultNameFromCounters(USE_1D, counters)
            << "\n";
  summaries << "0x" << hexconst(USE_2D) << "  " << Entity::defaultNameFromCounters(USE_2D, counters)
            << "\n";

  summaries << "0x" << hexconst(SHELL_0D) << "  "
            << Entity::defaultNameFromCounters(SHELL_0D, counters) << "\n";
  summaries << "0x" << hexconst(SHELL_1D) << "  "
            << Entity::defaultNameFromCounters(SHELL_1D, counters) << "\n";
  summaries << "0x" << hexconst(SHELL_2D) << "  "
            << Entity::defaultNameFromCounters(SHELL_2D, counters) << "\n";

  summaries << "0x" << hexconst(GROUP_0D) << "  "
            << Entity::defaultNameFromCounters(GROUP_0D, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_1D) << "  "
            << Entity::defaultNameFromCounters(GROUP_1D, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_2D) << "  "
            << Entity::defaultNameFromCounters(GROUP_2D, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_3D) << "  "
            << Entity::defaultNameFromCounters(GROUP_3D, counters) << "\n";

  summaries << "0x" << hexconst(GROUP_0D | GROUP_3D) << "  "
            << Entity::defaultNameFromCounters(GROUP_0D | GROUP_3D, counters) << "\n";

  summaries << "0x" << hexconst(GROUP_2D | MODEL_DOMAIN) << "  "
            << Entity::defaultNameFromCounters(GROUP_2D | MODEL_DOMAIN, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_3D | MODEL_DOMAIN) << "  "
            << Entity::defaultNameFromCounters(GROUP_3D | MODEL_DOMAIN, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_2D | MODEL_BOUNDARY) << "  "
            << Entity::defaultNameFromCounters(GROUP_2D | MODEL_BOUNDARY, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_3D | MODEL_BOUNDARY) << "  "
            << Entity::defaultNameFromCounters(GROUP_3D | MODEL_BOUNDARY, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_ENTITY | MODEL_DOMAIN) << "  "
            << Entity::defaultNameFromCounters(GROUP_ENTITY | MODEL_DOMAIN, counters) << "\n";
  summaries << "0x" << hexconst(GROUP_ENTITY | MODEL_BOUNDARY) << "  "
            << Entity::defaultNameFromCounters(GROUP_ENTITY | MODEL_BOUNDARY, counters) << "\n";

  bool ok = summaries.str() == correct;
  if (!ok)
  {
    std::cerr << summaries.str() << "\n"
              << "not equal to\n"
              << correct << "\n";
  }
  return ok ? 0 : 1;
}

int TestEntityIOSpecs()
{
  static struct
  {
    std::string name;
    BitFlags value;
  } testToValValues[] = {
    // First, let's test the dimensions which require some leading, non-numeric token
    { "none|0", smtk::model::DIMENSION_0 }, { "none|1", smtk::model::DIMENSION_1 },
    { "none|2", smtk::model::DIMENSION_2 }, { "none|3", smtk::model::DIMENSION_3 },
    { "none|4", smtk::model::DIMENSION_4 },
    // Try multiple dimensions
    { "none|410", smtk::model::DIMENSION_0 | smtk::model::DIMENSION_1 | smtk::model::DIMENSION_4 },
    { "none|104", smtk::model::DIMENSION_0 | smtk::model::DIMENSION_1 | smtk::model::DIMENSION_4 },
    { "none|12", smtk::model::DIMENSION_1 | smtk::model::DIMENSION_2 },
    // Things that have common names
    { "cell|0", smtk::model::VERTEX }, { "cell|1", smtk::model::EDGE },
    { "cell|2", smtk::model::FACE }, { "cell|3", smtk::model::VOLUME },
    // Spurious input that should not crash
    { "||3", smtk::model::DIMENSION_3 }, { "|3|", smtk::model::DIMENSION_3 }, { "none||", 0 },
    { "none|domain|nodim", smtk::model::MODEL_DOMAIN }, // ensure string split works.
    { "!", 0 },
    // Test all of the keywords to ensure ordering is proper.
    { "any", smtk::model::ANY_ENTITY }, { "anydim", smtk::model::ANY_DIMENSION },
    { "aux_geom", smtk::model::AUX_GEOM_ENTITY }, { "b", smtk::model::SESSION },
    { "bdy", smtk::model::MODEL_BOUNDARY }, { "session", smtk::model::SESSION },
    { "cell", smtk::model::CELL_ENTITY }, { "chain", smtk::model::CHAIN },
    { "closed", smtk::model::CLOSED }, { "cover", smtk::model::COVER },
    { "domain", smtk::model::MODEL_DOMAIN }, { "e", smtk::model::EDGE }, // Backwards-compatibility
    { "edge", smtk::model::EDGE }, { "edge_use", smtk::model::EDGE_USE },
    { "ef", smtk::model::EDGE | smtk::model::FACE }, // Backwards-compatibility
    { "efr",
      smtk::model::EDGE | smtk::model::FACE | smtk::model::VOLUME }, // Backwards-compatibility
    { "ev", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_1 |
        smtk::model::DIMENSION_0 }, // Backwards compatibility
    { "f", smtk::model::FACE },     // Backwards-compatibility
    { "face", smtk::model::FACE },
    { "face_use", smtk::model::FACE_USE },
    { "fe", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_2 |
        smtk::model::DIMENSION_1 }, // Backwards compatibility
    { "fev", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_2 | smtk::model::DIMENSION_1 |
        smtk::model::DIMENSION_0 }, // Backwards compatibility
    { "flat", smtk::model::NO_SUBGROUPS },
    { "fr", smtk::model::FACE | smtk::model::VOLUME }, // Backwards-compatibility
    { "fv", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_2 |
        smtk::model::DIMENSION_0 },     // Backwards compatibility
    { "g", smtk::model::GROUP_ENTITY }, // Backwards compatibility
    { "gmrfev", smtk::model::GROUP_ENTITY | smtk::model::MODEL_ENTITY | smtk::model::CELL_ENTITY |
        smtk::model::ANY_DIMENSION }, // Backwards compatibility
    { "group", smtk::model::GROUP_ENTITY },
    { "homg", smtk::model::HOMOGENOUS_GROUP }, { "instance", smtk::model::INSTANCE_ENTITY },
    { "invalid", smtk::model::INVALID }, { "loop", smtk::model::LOOP },
    { "m", smtk::model::MODEL_ENTITY }, // Backwards compatibility
    { "model", smtk::model::MODEL_ENTITY },
    { "mrfev", smtk::model::MODEL_ENTITY | smtk::model::CELL_ENTITY |
        smtk::model::ANY_DIMENSION }, // Backwards compatibility
    { "nodim", 0 },
    { "none", 0 }, { "open", smtk::model::OPEN }, { "partition", smtk::model::PARTITION },
    { "r", smtk::model::VOLUME }, // Backwards compatibility
    { "re", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 |
        smtk::model::DIMENSION_1 }, // Backwards compatibility
    { "region", smtk::model::VOLUME },
    { "rev", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 | smtk::model::DIMENSION_1 |
        smtk::model::DIMENSION_0 }, // Backwards compatibility
    { "rf", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 |
        smtk::model::DIMENSION_2 }, // Backwards compatibility
    { "rfe", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 | smtk::model::DIMENSION_2 |
        smtk::model::DIMENSION_1 }, // Backwards compatibility
    { "rfev", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 | smtk::model::DIMENSION_2 |
        smtk::model::DIMENSION_1 | smtk::model::DIMENSION_0 }, // Backwards compatibility
    { "rfv", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 | smtk::model::DIMENSION_2 |
        smtk::model::DIMENSION_0 }, // Backwards compatibility
    { "rv", smtk::model::CELL_ENTITY | smtk::model::DIMENSION_3 |
        smtk::model::DIMENSION_0 }, // Backwards compatibility
    { "shell", smtk::model::SHELL_ENTITY },
    { "shell2", smtk::model::SHELL }, { "use", smtk::model::USE_ENTITY },
    { "v", smtk::model::VERTEX },                      // Backwards-compatibility
    { "ve", smtk::model::VERTEX | smtk::model::EDGE }, // Backwards-compatibility
    { "vef",
      smtk::model::VERTEX | smtk::model::EDGE | smtk::model::FACE }, // Backwards-compatibility
    { "vefr", smtk::model::VERTEX | smtk::model::EDGE | smtk::model::FACE |
        smtk::model::VOLUME }, // Backwards-compatibility
    { "vertex", smtk::model::VERTEX },
    { "vertex_use", smtk::model::VERTEX_USE }, { "volume", smtk::model::VOLUME },
    { "volume_use", smtk::model::VOLUME_USE },
    // Test all the values of Entity.cxx's entityTypeNames array:
    { "model|cell", smtk::model::MODEL_ENTITY | smtk::model::CELL_ENTITY },
    { "use|shell", smtk::model::SHELL_ENTITY | smtk::model::USE_ENTITY },
    { "group|instance", smtk::model::GROUP_ENTITY | smtk::model::INSTANCE_ENTITY },
    { "session|model", smtk::model::SESSION | smtk::model::MODEL_ENTITY },
    { "instance|session", smtk::model::SESSION | smtk::model::INSTANCE_ENTITY },
    { "model|shell", smtk::model::MODEL_ENTITY | smtk::model::SHELL_ENTITY },
  };
  static int numTestToValValues = sizeof(testToValValues) / sizeof(testToValValues[0]);
  std::cout << "\nTesting Entity::specifierStringToFlag()\n\n";
  for (int i = 0; i < numTestToValValues; ++i)
  {
    std::ostringstream msg;
    BitFlags expected = testToValValues[i].value;
    std::string testValue = testToValValues[i].name;
    BitFlags result = Entity::specifierStringToFlag(testValue);
    msg << "\"" << testValue << "\" -> " << std::ios_base::hex << result << " (expected "
        << std::ios_base::hex << expected << ")";
    test(result == expected, msg.str());
  }

  static struct
  {
    std::string name;
    BitFlags value;
  } testToSpecValues[] = {
    { "any", smtk::model::ANY_ENTITY }, { "none|anydim", smtk::model::ANY_DIMENSION },
    { "none|bdy|nodim", smtk::model::MODEL_BOUNDARY }, { "session|nodim", smtk::model::SESSION },
    { "cell|nodim", smtk::model::CELL_ENTITY },
    { "cell|anydim", smtk::model::CELL_ENTITY | smtk::model::ANY_DIMENSION },
    { "chain", smtk::model::CHAIN }, { "none|closed|nodim", smtk::model::CLOSED },
    { "none|cover|nodim", smtk::model::COVER }, { "none|domain|nodim", smtk::model::MODEL_DOMAIN },
    { "edge", smtk::model::EDGE }, { "edge_use", smtk::model::EDGE_USE },
    { "face", smtk::model::FACE }, { "face_use", smtk::model::FACE_USE },
    { "none|flat|nodim", smtk::model::NO_SUBGROUPS }, { "group|nodim", smtk::model::GROUP_ENTITY },
    { "none|homg|nodim", smtk::model::HOMOGENOUS_GROUP },
    { "instance|nodim", smtk::model::INSTANCE_ENTITY }, { "invalid", smtk::model::INVALID },
    { "loop", smtk::model::LOOP }, { "model|nodim", smtk::model::MODEL_ENTITY },
    { "none|nodim", 0 }, { "none|open|nodim", smtk::model::OPEN },
    { "none|partition|nodim", smtk::model::PARTITION },
    { "shell|nodim", smtk::model::SHELL_ENTITY }, { "shell2", smtk::model::SHELL },
    { "use|nodim", smtk::model::USE_ENTITY }, { "vertex", smtk::model::VERTEX },
    { "vertex_use", smtk::model::VERTEX_USE }, { "volume", smtk::model::VOLUME },
    { "volume_use", smtk::model::VOLUME_USE }, { "none|0", smtk::model::DIMENSION_0 },
    { "none|1", smtk::model::DIMENSION_1 }, { "none|2", smtk::model::DIMENSION_2 },
    { "none|3", smtk::model::DIMENSION_3 }, { "none|4", smtk::model::DIMENSION_4 },
    { "none|014", smtk::model::DIMENSION_0 | smtk::model::DIMENSION_1 | smtk::model::DIMENSION_4 },
    { "cell|open|0", smtk::model::VERTEX | smtk::model::OPEN },
    { "cell|model|nodim", smtk::model::MODEL_ENTITY |
        smtk::model::CELL_ENTITY }, // > 1 entity type (e.g., membership mask)
    { "aux_geom|0", smtk::model::AUX_GEOM_ENTITY | smtk::model::DIMENSION_0 }, // auxiliary point
  };
  static int numTestToSpecValues = sizeof(testToSpecValues) / sizeof(testToSpecValues[0]);
  std::cout << "\nTesting Entity::flagToSpecifierString()\n\n";
  for (int i = 0; i < numTestToSpecValues; ++i)
  {
    std::ostringstream msg;
    std::string expected = testToSpecValues[i].name;
    BitFlags testValue = testToSpecValues[i].value;
    std::string result = Entity::flagToSpecifierString(testValue);
    msg << "(" << std::ios_base::hex << testValue << ") -> \"" << result << "\" expected \""
        << expected << "\"";
    test(result == expected, msg.str());
  }
  return 0;
}

int main()
{
  int status = 0;
  try
  {
    status |= TestEntityIOSpecs();
  }
  catch (const std::string&)
  {
    status = 1;
  }

  status |= TestEntitySummary();

  return status ? 1 : 0;
}
