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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;
EmplaceConstructibleEmplaceConstructible10   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;
EmplaceConstructibleAndMoveInsertableEmplaceConstructibleAndMoveInsertable18   explicit EmplaceConstructibleAndMoveInsertable(T xvalue) : value(xvalue) {}
19 
EmplaceConstructibleAndMoveInsertableEmplaceConstructibleAndMoveInsertable20   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;
EmplaceConstructibleAndMoveableEmplaceConstructibleAndMoveable30   explicit EmplaceConstructibleAndMoveable(T xvalue) noexcept : value(xvalue) {}
31 
EmplaceConstructibleAndMoveableEmplaceConstructibleAndMoveable32   EmplaceConstructibleAndMoveable(EmplaceConstructibleAndMoveable&& Other)
33       noexcept : copied(Other.copied + 1),
34                  value(std::move(Other.value)) {}
35 
36   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;
EmplaceConstructibleMoveableAndAssignableEmplaceConstructibleMoveableAndAssignable50   explicit EmplaceConstructibleMoveableAndAssignable(T xvalue) noexcept
51       : value(xvalue) {}
52 
EmplaceConstructibleMoveableAndAssignableEmplaceConstructibleMoveableAndAssignable53   EmplaceConstructibleMoveableAndAssignable(
54       EmplaceConstructibleMoveableAndAssignable&& Other) noexcept
55       : copied(Other.copied + 1),
56         value(std::move(Other.value)) {}
57 
58   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   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
75