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