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// template<class E> class initializer_list;
11
12// const E* begin() const;
13// const E* end() const;
14// size_t size() const;
15
16#include <initializer_list>
17#include <cassert>
18
19#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
20
21struct A
22{
23    A(std::initializer_list<int> il)
24    {
25        const int* b = il.begin();
26        const int* e = il.end();
27        assert(il.size() == 3);
28        assert(e - b == il.size());
29        assert(*b++ == 3);
30        assert(*b++ == 2);
31        assert(*b++ == 1);
32    }
33};
34
35#if _LIBCPP_STD_VER > 11
36struct B
37{
38    constexpr B(std::initializer_list<int> il)
39    {
40        const int* b = il.begin();
41        const int* e = il.end();
42        assert(il.size() == 3);
43        assert(e - b == il.size());
44        assert(*b++ == 3);
45        assert(*b++ == 2);
46        assert(*b++ == 1);
47    }
48};
49
50#endif  // _LIBCPP_STD_VER > 11
51
52#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
53
54int main()
55{
56#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
57    A test1 = {3, 2, 1};
58#endif
59#if _LIBCPP_STD_VER > 11
60    constexpr B test2 = {3, 2, 1};
61#endif  // _LIBCPP_STD_VER > 11
62}
63