| Eric Fiselier | 257fd69 | 2016-05-07 01:04:55 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // UNSUPPORTED: c++98, c++03 |
| 11 | |
| 12 | // <experimental/memory_resource> |
| 13 | |
| 14 | // template <class T> class polymorphic_allocator; |
| 15 | |
| 16 | // template <class T, class U> |
| 17 | // bool operator==( |
| 18 | // polymorphic_allocator<T> const & |
| 19 | // , polymorphic_allocator<U> const &) noexcept |
| 20 | |
| 21 | #include <experimental/memory_resource> |
| 22 | #include <type_traits> |
| 23 | #include <cassert> |
| 24 | |
| 25 | #include "test_memory_resource.hpp" |
| 26 | |
| 27 | namespace ex = std::experimental::pmr; |
| 28 | |
| 29 | int main() |
| 30 | { |
| 31 | typedef ex::polymorphic_allocator<void> A1; |
| 32 | typedef ex::polymorphic_allocator<int> A2; |
| 33 | // check return types |
| 34 | { |
| 35 | A1 const a1; |
| 36 | A2 const a2; |
| 37 | static_assert(std::is_same<decltype(a1 == a2), bool>::value, ""); |
| 38 | static_assert(noexcept(a1 == a2), ""); |
| 39 | } |
| 40 | // equal same type (different resource) |
| 41 | { |
| 42 | TestResource d1(1); |
| 43 | TestResource d2(1); |
| 44 | A1 const a1(&d1); |
| 45 | A1 const a2(&d2); |
| 46 | |
| 47 | assert(a1 == a2); |
| 48 | assert(d1.checkIsEqualCalledEq(1)); |
| 49 | assert(d2.checkIsEqualCalledEq(0)); |
| 50 | |
| 51 | d1.reset(); |
| 52 | |
| 53 | assert(a2 == a1); |
| 54 | assert(d1.checkIsEqualCalledEq(0)); |
| 55 | assert(d2.checkIsEqualCalledEq(1)); |
| 56 | } |
| 57 | // equal same type (same resource) |
| 58 | { |
| 59 | TestResource d1; |
| 60 | A1 const a1(&d1); |
| 61 | A1 const a2(&d1); |
| 62 | |
| 63 | assert(a1 == a2); |
| 64 | assert(d1.checkIsEqualCalledEq(0)); |
| 65 | |
| 66 | assert(a2 == a1); |
| 67 | assert(d1.checkIsEqualCalledEq(0)); |
| 68 | } |
| 69 | // equal different type (different resource) |
| 70 | { |
| 71 | TestResource d1(42); |
| 72 | TestResource d2(42); |
| 73 | A1 const a1(&d1); |
| 74 | A2 const a2(&d2); |
| 75 | |
| 76 | assert(a1 == a2); |
| 77 | assert(d1.checkIsEqualCalledEq(1)); |
| 78 | assert(d2.checkIsEqualCalledEq(0)); |
| 79 | |
| 80 | assert(a2 == a1); |
| 81 | assert(d1.checkIsEqualCalledEq(1)); |
| 82 | assert(d2.checkIsEqualCalledEq(1)); |
| 83 | |
| 84 | } |
| 85 | // equal different type (same resource) |
| 86 | { |
| 87 | TestResource d1(42); |
| 88 | A1 const a1(&d1); |
| 89 | A2 const a2(&d1); |
| 90 | |
| 91 | assert(a1 == a2); |
| 92 | assert(d1.checkIsEqualCalledEq(0)); |
| 93 | |
| 94 | assert(a2 == a1); |
| 95 | assert(d1.checkIsEqualCalledEq(0)); |
| 96 | |
| 97 | } |
| 98 | // not equal same type |
| 99 | { |
| 100 | TestResource d1(1); |
| 101 | TestResource d2(2); |
| 102 | A1 const a1(&d1); |
| 103 | A1 const a2(&d2); |
| 104 | |
| 105 | assert(!(a1 == a2)); |
| 106 | assert(d1.checkIsEqualCalledEq(1)); |
| 107 | assert(d2.checkIsEqualCalledEq(0)); |
| 108 | |
| 109 | d1.reset(); |
| 110 | |
| 111 | assert(!(a2 == a1)); |
| 112 | assert(d1.checkIsEqualCalledEq(0)); |
| 113 | assert(d2.checkIsEqualCalledEq(1)); |
| 114 | |
| 115 | } |
| 116 | // not equal different types |
| 117 | { |
| 118 | TestResource d1; |
| 119 | TestResource1 d2; |
| 120 | A1 const a1(&d1); |
| 121 | A2 const a2(&d2); |
| 122 | |
| 123 | assert(!(a1 == a2)); |
| 124 | assert(d1.checkIsEqualCalledEq(1)); |
| 125 | assert(d2.checkIsEqualCalledEq(0)); |
| 126 | |
| 127 | d1.reset(); |
| 128 | |
| 129 | assert(!(a2 == a1)); |
| 130 | assert(d1.checkIsEqualCalledEq(0)); |
| 131 | assert(d2.checkIsEqualCalledEq(1)); |
| 132 | } |
| 133 | } |