TheRock/rocm-libraries/projects/rocthrust/test/test_vector_manipulation.cpp

/*
 *  Copyright 2008-2013 NVIDIA Corporation
 *  Modifications Copyright© 2019-2025 Advanced Micro Devices, Inc. All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#include <thrust/device_malloc_allocator.h>

#include <vector>

#include "test_param_fixtures.hpp"
#include "test_real_assertions.hpp"
#include "test_utils.hpp"

TESTS_DEFINE(VectorManipulationTests, FullTestsParams);

TYPED_TEST(VectorManipulationTests, TestVectorManipulation)
{
  using Vector   = typename TestFixture::input_type;
  using Iterator = typename Vector::iterator;
  using T        = typename Vector::value_type;

  SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());

  for (auto size : get_sizes())
  {
    SCOPED_TRACE(testing::Message() << "with size= " << size);

    for (auto seed : get_seeds())
    {
      SCOPED_TRACE(testing::Message() << "with seed= " << seed);

      thrust::host_vector<T> src =
        get_random_data<T>(size, get_default_limits<T>::min(), get_default_limits<T>::max(), seed);
      ASSERT_EQ(src.size(), size);

      // basic initialization
      Vector test0(size);
      Vector test1(size, T(3));
      ASSERT_EQ(test0.size(), size);
      ASSERT_EQ(test1.size(), size);
      ASSERT_EQ((test1 == std::vector<T>(size, T(3))), true);

#if (THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC) && (_MSC_VER <= 1400)
      // XXX MSVC 2005's STL unintentionally uses adl to dispatch advance which
      //     produces an ambiguity between std::advance & thrust::advance
      //     don't produce a KNOWN_FAILURE, just ignore the issue
#else
      // initializing from other vector
      std::vector<T> stl_vector(src.begin(), src.end());
      Vector cpy0 = src;
      Vector cpy1(stl_vector);
      Vector cpy2(stl_vector.begin(), stl_vector.end());
      ASSERT_EQ(cpy0, src);
      ASSERT_EQ(cpy1, src);
      ASSERT_EQ(cpy2, src);
#endif

      // resizing
      Vector vec1(src);
      vec1.resize(size + 3);
      ASSERT_EQ(vec1.size(), size + 3);
      vec1.resize(size);
      ASSERT_EQ(vec1.size(), size);
      ASSERT_EQ(vec1, src);

      vec1.resize(size + 20, T(11));
      Vector tail(vec1.begin() + size, vec1.end());
      ASSERT_EQ((tail == std::vector<T>(20, T(11))), true);

      // shrinking a vector should not invalidate iterators
      Iterator first = vec1.begin();
      vec1.resize(10);
      ASSERT_EQ_QUIET(first, vec1.begin());

      vec1.resize(0);
      ASSERT_EQ(vec1.size(), 0lu);
      ASSERT_EQ(vec1.empty(), true);
      vec1.resize(10);
      ASSERT_EQ(vec1.size(), 10lu);
      vec1.clear();
      ASSERT_EQ(vec1.size(), 0lu);
      vec1.resize(5);
      ASSERT_EQ(vec1.size(), 5lu);

      // push_back
      Vector vec2;
      for (size_t i = 0; i < 10; ++i)
      {
        ASSERT_EQ(vec2.size(), i);
        vec2.push_back(T(i));
        ASSERT_EQ(vec2.size(), i + 1);
        for (size_t j = 0; j <= i; j++)
        {
          ASSERT_EQ(vec2[j], T(j));
        }
        ASSERT_EQ(vec2.back(), T(i));
      }

      // pop_back
      for (size_t i = 10; i > 0; --i)
      {
        ASSERT_EQ(vec2.size(), i);
        ASSERT_EQ(vec2.back(), T(i - 1));
        vec2.pop_back();
        ASSERT_EQ(vec2.size(), i - 1);
        for (size_t j = 0; j < i; j++)
        {
          ASSERT_EQ(vec2[j], T(j));
        }
      }
    }
  }

  // TODO test swap, erase(pos), erase(begin, end)
}