project_6/cccl_upstream/libcudacxx/test/support/emplace_constructible.h

#ifndef TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H
#define TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H

#include "test_macros.h"

template <class T>
struct EmplaceConstructible
{
  T value;
  explicit EmplaceConstructible(T xvalue)
      : value(xvalue)
  {}
  EmplaceConstructible(EmplaceConstructible const&) = delete;
};

template <class T>
struct EmplaceConstructibleAndMoveInsertable
{
  int copied = 0;
  T value;
  explicit EmplaceConstructibleAndMoveInsertable(T xvalue)
      : value(xvalue)
  {}

  EmplaceConstructibleAndMoveInsertable(EmplaceConstructibleAndMoveInsertable&& Other)
      : copied(Other.copied + 1)
      , value(std::move(Other.value))
  {}
};

template <class T>
struct EmplaceConstructibleAndMoveable
{
  int copied   = 0;
  int assigned = 0;
  T value;
  explicit EmplaceConstructibleAndMoveable(T xvalue) noexcept
      : value(xvalue)
  {}

  EmplaceConstructibleAndMoveable(EmplaceConstructibleAndMoveable&& Other) noexcept
      : copied(Other.copied + 1)
      , value(std::move(Other.value))
  {}

  EmplaceConstructibleAndMoveable& operator=(EmplaceConstructibleAndMoveable&& Other) noexcept
  {
    copied   = Other.copied;
    assigned = Other.assigned + 1;
    value    = std::move(Other.value);
    return *this;
  }
};

template <class T>
struct EmplaceConstructibleMoveableAndAssignable
{
  int copied   = 0;
  int assigned = 0;
  T value;
  explicit EmplaceConstructibleMoveableAndAssignable(T xvalue) noexcept
      : value(xvalue)
  {}

  EmplaceConstructibleMoveableAndAssignable(EmplaceConstructibleMoveableAndAssignable&& Other) noexcept
      : copied(Other.copied + 1)
      , value(std::move(Other.value))
  {}

  EmplaceConstructibleMoveableAndAssignable& operator=(EmplaceConstructibleMoveableAndAssignable&& Other) noexcept
  {
    copied   = Other.copied;
    assigned = Other.assigned + 1;
    value    = std::move(Other.value);
    return *this;
  }

  EmplaceConstructibleMoveableAndAssignable& operator=(T xvalue)
  {
    value = std::move(xvalue);
    ++assigned;
    return *this;
  }
};

#endif // TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H