libcxx/test/support/emplace_constructible.h

   1 #ifndef TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H
   2 #define TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H
   3
   4 #include "test_macros.h"
   5
   6 #if TEST_STD_VER >= 11
   7 template <class T>
   8 struct EmplaceConstructible {
   9   T value;
  10   TEST_CONSTEXPR_CXX14 explicit EmplaceConstructible(T xvalue) : value(xvalue) {}
  11   EmplaceConstructible(EmplaceConstructible const&) = delete;
  12 };
  13
  14 template <class T>
  15 struct EmplaceConstructibleAndMoveInsertable {
  16   int copied = 0;
  17   T value;
  18   TEST_CONSTEXPR_CXX14 explicit EmplaceConstructibleAndMoveInsertable(T xvalue) : value(xvalue) {}
  19
  20   TEST_CONSTEXPR_CXX14 EmplaceConstructibleAndMoveInsertable(
  21       EmplaceConstructibleAndMoveInsertable&& Other)
  22       : copied(Other.copied + 1), value(std::move(Other.value)) {}
  23 };
  24
  25 template <class T>
  26 struct EmplaceConstructibleAndMoveable {
  27   int copied = 0;
  28   int assigned = 0;
  29   T value;
  30   TEST_CONSTEXPR_CXX14 explicit EmplaceConstructibleAndMoveable(T xvalue) noexcept : value(xvalue) {}
  31
  32   TEST_CONSTEXPR_CXX14 EmplaceConstructibleAndMoveable(EmplaceConstructibleAndMoveable&& Other)
  33       noexcept : copied(Other.copied + 1),
  34                  value(std::move(Other.value)) {}
  35
  36   TEST_CONSTEXPR_CXX14 EmplaceConstructibleAndMoveable&
  37   operator=(EmplaceConstructibleAndMoveable&& Other) noexcept {
  38     copied = Other.copied;
  39     assigned = Other.assigned + 1;
  40     value = std::move(Other.value);
  41     return *this;
  42   }
  43 };
  44
  45 template <class T>
  46 struct EmplaceConstructibleMoveableAndAssignable {
  47   int copied = 0;
  48   int assigned = 0;
  49   T value;
  50   TEST_CONSTEXPR_CXX14 explicit EmplaceConstructibleMoveableAndAssignable(T xvalue) noexcept
  51       : value(xvalue) {}
  52
  53   TEST_CONSTEXPR_CXX14 EmplaceConstructibleMoveableAndAssignable(
  54       EmplaceConstructibleMoveableAndAssignable&& Other) noexcept
  55       : copied(Other.copied + 1),
  56         value(std::move(Other.value)) {}
  57
  58   TEST_CONSTEXPR_CXX14 EmplaceConstructibleMoveableAndAssignable&
  59   operator=(EmplaceConstructibleMoveableAndAssignable&& Other) noexcept {
  60     copied = Other.copied;
  61     assigned = Other.assigned + 1;
  62     value = std::move(Other.value);
  63     return *this;
  64   }
  65
  66   TEST_CONSTEXPR_CXX14 EmplaceConstructibleMoveableAndAssignable& operator=(T xvalue) {
  67     value = std::move(xvalue);
  68     ++assigned;
  69     return *this;
  70   }
  71 };
  72 #endif
  73
  74 #endif // TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H