BLI_bit_group_vector_test.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: Apache-2.0 */
 
#include "testing/testing.h"
 
#include "BLI_bit_group_vector.hh"
 
#include "BLI_strict_flags.h" /* Keep last. */
 
namespace blender::bits::tests {
 
TEST(bit_group_vector, DefaultConstruct)
{
  BitGroupVector<> groups;
  EXPECT_EQ(groups.size(), 0);
}
 
TEST(bit_group_vector, Construct)
{
  BitGroupVector<> groups(12, 5);
 
  EXPECT_EQ(groups.size(), 12);
  EXPECT_EQ(groups[0].size(), 5);
  EXPECT_EQ(groups[4].size(), 5);
}
 
TEST(bit_group_vector, CopyConstruct)
{
  BitGroupVector<> groups(12, 5);
  for (const int64_t i : groups.index_range()) {
    MutableBoundedBitSpan span = groups[i];
    for (const int64_t j : span.index_range()) {
      span[j].set(j % 2 == 0);
    }
  }
 
  BitGroupVector<> copy(groups);
 
  EXPECT_EQ(groups.size(), copy.size());
  EXPECT_EQ(groups.group_size(), copy.group_size());
  for (const int64_t i : groups.index_range()) {
    BoundedBitSpan span = groups[i];
    BoundedBitSpan copy_span = copy[i];
    for (const int64_t j : span.index_range()) {
      EXPECT_EQ(span[j].test(), copy_span[j].test());
    }
  }
}
 
}  // namespace blender::bits::tests