| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <unordered_set> |
| |
| // unordered_set() |
| // noexcept( |
| // is_nothrow_default_constructible<allocator_type>::value && |
| // is_nothrow_default_constructible<key_compare>::value && |
| // is_nothrow_copy_constructible<key_compare>::value); |
| |
| // This tests a conforming extension |
| |
| #include <unordered_set> |
| #include <cassert> |
| |
| #include "MoveOnly.h" |
| #include "test_allocator.h" |
| #include "../../../test_hash.h" |
| |
| template <class T> |
| struct some_comp |
| { |
| typedef T value_type; |
| some_comp(); |
| some_comp(const some_comp&); |
| }; |
| |
| template <class T> |
| struct some_hash |
| { |
| typedef T value_type; |
| some_hash(); |
| some_hash(const some_hash&); |
| }; |
| |
| int main() |
| { |
| #if __has_feature(cxx_noexcept) |
| { |
| typedef std::unordered_set<MoveOnly> C; |
| static_assert(std::is_nothrow_default_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, |
| std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C; |
| static_assert(std::is_nothrow_default_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, |
| std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C; |
| static_assert(!std::is_nothrow_default_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_set<MoveOnly, some_hash<MoveOnly>> C; |
| static_assert(!std::is_nothrow_default_constructible<C>::value, ""); |
| } |
| { |
| typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, |
| some_comp<MoveOnly>> C; |
| static_assert(!std::is_nothrow_default_constructible<C>::value, ""); |
| } |
| #endif |
| } |