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