/* Apache License, Version 2.0 */

#include "FN_generic_vector_array.hh"

#include "testing/testing.h"

namespace blender::fn::tests {

TEST(generic_vector_array, Constructor)
{
  GVectorArray vectors{CPPType::get<int32_t>(), 3};
  EXPECT_EQ(vectors.size(), 3);
  EXPECT_EQ(vectors.lengths().size(), 3);
  EXPECT_EQ(vectors.starts().size(), 3);
  EXPECT_EQ(vectors.lengths()[0], 0);
  EXPECT_EQ(vectors.lengths()[1], 0);
  EXPECT_EQ(vectors.lengths()[2], 0);
  EXPECT_EQ(vectors.type(), CPPType::get<int32_t>());
}

TEST(generic_vector_array, Append)
{
  GVectorArray vectors{CPPType::get<std::string>(), 3};
  std::string value = "hello";
  vectors.append(0, &value);
  value = "world";
  vectors.append(0, &value);
  vectors.append(2, &value);

  EXPECT_EQ(vectors.lengths()[0], 2);
  EXPECT_EQ(vectors.lengths()[1], 0);
  EXPECT_EQ(vectors.lengths()[2], 1);
  EXPECT_EQ(vectors[0].size(), 2);
  EXPECT_EQ(vectors[0].typed<std::string>()[0], "hello");
  EXPECT_EQ(vectors[0].typed<std::string>()[1], "world");
  EXPECT_EQ(vectors[2].typed<std::string>()[0], "world");
}

TEST(generic_vector_array, AsArraySpan)
{
  GVectorArray vectors{CPPType::get<int32_t>(), 3};
  int value = 3;
  vectors.append(0, &value);
  vectors.append(0, &value);
  value = 5;
  vectors.append(2, &value);
  vectors.append(2, &value);
  vectors.append(2, &value);

  GVArraySpan span = vectors;
  EXPECT_EQ(span.type(), CPPType::get<int32_t>());
  EXPECT_EQ(span.size(), 3);
  EXPECT_EQ(span[0].size(), 2);
  EXPECT_EQ(span[1].size(), 0);
  EXPECT_EQ(span[2].size(), 3);
  EXPECT_EQ(span[0].typed<int>()[1], 3);
  EXPECT_EQ(span[2].typed<int>()[0], 5);
}

TEST(generic_vector_array, TypedRef)
{
  GVectorArray vectors{CPPType::get<int32_t>(), 4};
  GVectorArrayRef<int> ref = vectors.typed<int>();
  ref.append(0, 2);
  ref.append(0, 6);
  ref.append(0, 7);
  ref.append(2, 1);
  ref.append(2, 1);
  ref.append(3, 5);
  ref.append(3, 6);

  EXPECT_EQ(ref[0].size(), 3);
  EXPECT_EQ(vectors[0].size(), 3);
  EXPECT_EQ(ref[0][0], 2);
  EXPECT_EQ(ref[0][1], 6);
  EXPECT_EQ(ref[0][2], 7);
  EXPECT_EQ(ref[1].size(), 0);
  EXPECT_EQ(ref[2][0], 1);
  EXPECT_EQ(ref[2][1], 1);
  EXPECT_EQ(ref[3][0], 5);
  EXPECT_EQ(ref[3][1], 6);
}

TEST(generic_vector_array, Extend)
{
  GVectorArray vectors{CPPType::get<int32_t>(), 3};
  GVectorArrayRef<int> ref = vectors;

  ref.extend(1, {5, 6, 7});
  ref.extend(0, {3});

  EXPECT_EQ(vectors[0].size(), 1);
  EXPECT_EQ(vectors[1].size(), 3);
  EXPECT_EQ(vectors[2].size(), 0);
  EXPECT_EQ(ref[1][0], 5);
  EXPECT_EQ(ref[1][1], 6);
  EXPECT_EQ(ref[1][2], 7);
  EXPECT_EQ(ref[0][0], 3);
}

}  // namespace blender::fn::tests