| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14 |
| // XFAIL: availability-pmr-missing |
| |
| // test_memory_resource requires RTTI for dynamic_cast |
| // UNSUPPORTED: no-rtti |
| |
| // <memory_resource> |
| |
| // template <class T> class polymorphic_allocator; |
| |
| // template <class T, class U> |
| // bool operator==( |
| // polymorphic_allocator<T> const & |
| // , polymorphic_allocator<U> const &) noexcept |
| |
| #include <memory_resource> |
| #include <cassert> |
| #include <type_traits> |
| |
| #include "test_std_memory_resource.h" |
| |
| int main(int, char**) { |
| typedef std::pmr::polymorphic_allocator<void> A1; |
| typedef std::pmr::polymorphic_allocator<int> A2; |
| // check return types |
| { |
| A1 const a1; |
| A2 const a2; |
| static_assert(std::is_same_v<decltype(a1 == a2), bool>); |
| static_assert(noexcept(a1 == a2)); |
| } |
| // equal same type (different resource) |
| { |
| TestResource d1(1); |
| TestResource d2(1); |
| A1 const a1(&d1); |
| A1 const a2(&d2); |
| |
| assert(a1 == a2); |
| assert(d1.checkIsEqualCalledEq(1)); |
| assert(d2.checkIsEqualCalledEq(0)); |
| |
| d1.reset(); |
| |
| assert(a2 == a1); |
| assert(d1.checkIsEqualCalledEq(0)); |
| assert(d2.checkIsEqualCalledEq(1)); |
| } |
| // equal same type (same resource) |
| { |
| TestResource d1; |
| A1 const a1(&d1); |
| A1 const a2(&d1); |
| |
| assert(a1 == a2); |
| assert(d1.checkIsEqualCalledEq(0)); |
| |
| assert(a2 == a1); |
| assert(d1.checkIsEqualCalledEq(0)); |
| } |
| // equal different type (different resource) |
| { |
| TestResource d1(42); |
| TestResource d2(42); |
| A1 const a1(&d1); |
| A2 const a2(&d2); |
| |
| assert(a1 == a2); |
| assert(d1.checkIsEqualCalledEq(1)); |
| assert(d2.checkIsEqualCalledEq(0)); |
| |
| assert(a2 == a1); |
| assert(d1.checkIsEqualCalledEq(1)); |
| assert(d2.checkIsEqualCalledEq(1)); |
| } |
| // equal different type (same resource) |
| { |
| TestResource d1(42); |
| A1 const a1(&d1); |
| A2 const a2(&d1); |
| |
| assert(a1 == a2); |
| assert(d1.checkIsEqualCalledEq(0)); |
| |
| assert(a2 == a1); |
| assert(d1.checkIsEqualCalledEq(0)); |
| } |
| // not equal same type |
| { |
| TestResource d1(1); |
| TestResource d2(2); |
| A1 const a1(&d1); |
| A1 const a2(&d2); |
| |
| assert(!(a1 == a2)); |
| assert(d1.checkIsEqualCalledEq(1)); |
| assert(d2.checkIsEqualCalledEq(0)); |
| |
| d1.reset(); |
| |
| assert(!(a2 == a1)); |
| assert(d1.checkIsEqualCalledEq(0)); |
| assert(d2.checkIsEqualCalledEq(1)); |
| } |
| // not equal different types |
| { |
| TestResource d1; |
| TestResource1 d2; |
| A1 const a1(&d1); |
| A2 const a2(&d2); |
| |
| assert(!(a1 == a2)); |
| assert(d1.checkIsEqualCalledEq(1)); |
| assert(d2.checkIsEqualCalledEq(0)); |
| |
| d1.reset(); |
| |
| assert(!(a2 == a1)); |
| assert(d1.checkIsEqualCalledEq(0)); |
| assert(d2.checkIsEqualCalledEq(1)); |
| } |
| |
| return 0; |
| } |