1
2 //===----------------------------------------------------------------------===//
3 //
4 // The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // <string> feature macros
12
13 /* Constant Value
14 __cpp_lib_allocator_traits_is_always_equal 201411L
15 __cpp_lib_erase_if 201811L
16 __cpp_lib_char8_t 201811L
17 __cpp_lib_nonmember_container_access 201411L
18 __cpp_lib_string_udls 201304L
19 __cpp_lib_string_view 201606L
20
21 */
22
23 #include <string>
24 #include <cassert>
25 #include "test_macros.h"
26
main()27 int main()
28 {
29 // ensure that the macros that are supposed to be defined in <string> are defined.
30
31 #if TEST_STD_VER > 17
32 # if !defined(__cpp_lib_erase_if)
33 LIBCPP_STATIC_ASSERT(false, "__cpp_lib_erase_if is not defined");
34 # else
35 # if __cpp_lib_erase_if < 201811L
36 # error "__cpp_lib_erase_if has an invalid value"
37 # endif
38 # endif
39 #endif
40
41 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
42 # if !defined(__cpp_lib_char8_t)
43 LIBCPP_STATIC_ASSERT(false, "__cpp_lib_char8_t is not defined");
44 # else
45 # if __cpp_lib_char8_t < 201811L
46 # error "__cpp_lib_char8_t has an invalid value"
47 # endif
48 # endif
49 #endif
50
51 /*
52 #if !defined(__cpp_lib_fooby)
53 # error "__cpp_lib_fooby is not defined"
54 #elif __cpp_lib_fooby < 201606L
55 # error "__cpp_lib_fooby has an invalid value"
56 #endif
57 */
58 }
59