libcxx

libcxx mirror with random patches
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iter.pass.cpp (1033B)


      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 // <iterator>
     11 
     12 // move_iterator
     13 
     14 // explicit move_iterator(Iter i);
     15 //
     16 //  constexpr in C++17
     17 
     18 #include <iterator>
     19 #include <cassert>
     20 
     21 #include "test_macros.h"
     22 #include "test_iterators.h"
     23 
     24 template <class It>
     25 void
     26 test(It i)
     27 {
     28     std::move_iterator<It> r(i);
     29     assert(r.base() == i);
     30 }
     31 
     32 int main()
     33 {
     34     char s[] = "123";
     35     test(input_iterator<char*>(s));
     36     test(forward_iterator<char*>(s));
     37     test(bidirectional_iterator<char*>(s));
     38     test(random_access_iterator<char*>(s));
     39     test(s);
     40 
     41 #if TEST_STD_VER > 14
     42     {
     43     constexpr const char *p = "123456789";
     44     constexpr std::move_iterator<const char *> it(p);
     45     static_assert(it.base() == p);
     46     }
     47 #endif
     48 }