| //===----------------------------------------------------------------------===// |
| // |
| // 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++98, c++03 |
| |
| // template<class E> class initializer_list; |
| |
| // const E* begin() const; |
| // const E* end() const; |
| // size_t size() const; |
| |
| #include <initializer_list> |
| #include <cassert> |
| #include <cstddef> |
| |
| #include "test_macros.h" |
| |
| struct A |
| { |
| A(std::initializer_list<int> il) |
| { |
| const int* b = il.begin(); |
| const int* e = il.end(); |
| assert(il.size() == 3); |
| assert(static_cast<std::size_t>(e - b) == il.size()); |
| assert(*b++ == 3); |
| assert(*b++ == 2); |
| assert(*b++ == 1); |
| } |
| }; |
| |
| #if TEST_STD_VER > 11 |
| struct B |
| { |
| constexpr B(std::initializer_list<int> il) |
| { |
| const int* b = il.begin(); |
| const int* e = il.end(); |
| assert(il.size() == 3); |
| assert(static_cast<std::size_t>(e - b) == il.size()); |
| assert(*b++ == 3); |
| assert(*b++ == 2); |
| assert(*b++ == 1); |
| } |
| }; |
| |
| #endif // TEST_STD_VER > 11 |
| |
| int main(int, char**) |
| { |
| A test1 = {3, 2, 1}; |
| #if TEST_STD_VER > 11 |
| constexpr B test2 = {3, 2, 1}; |
| (void)test2; |
| #endif // TEST_STD_VER > 11 |
| |
| return 0; |
| } |