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 // dynarray.zero
11 
12 // dynarray shall provide support for the special case of construction with a size of zero.
13 // In the case that the size is zero, begin() == end() == unique value.
14 // The return value of data() is unspecified.
15 // The effect of calling front() or back() for a zero-sized dynarray is undefined.
16 
17 
18 
19 #include <__config>
20 
21 #if _LIBCPP_STD_VER > 11
22 
23 #include <experimental/dynarray>
24 #include <cassert>
25 
26 #include <algorithm>
27 #include <complex>
28 #include <string>
29 
30 using std::experimental::dynarray;
31 
32 template <class T>
test()33 void test ( ) {
34     typedef dynarray<T> dynA;
35 
36     dynA d1 ( 0 );
37     assert ( d1.size() == 0 );
38     assert ( d1.begin() == d1.end ());
39     }
40 
main()41 int main()
42 {
43     test<int> ();
44     test<double> ();
45     test<std::complex<double>> ();
46     test<std::string> ();
47 }
48 #else
main()49 int main() {}
50 #endif
51