libcxx/test/std/containers/sequences/deque/iterators.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <deque>
  10
  11 // Test nested types and default template args:
  12
  13 // template <class T, class Allocator = allocator<T> >
  14 // class deque;
  15
  16 // iterator, const_iterator
  17
  18 #include <deque>
  19 #include <iterator>
  20 #include <cassert>
  21
  22 #include "test_macros.h"
  23 #include "min_allocator.h"
  24
  25 int main(int, char**)
  26 {
  27     {
  28     typedef std::deque<int> C;
  29     C c;
  30     C::iterator i;
  31     i = c.begin();
  32     C::const_iterator j;
  33     j = c.cbegin();
  34     assert(i == j);
  35     }
  36 #if TEST_STD_VER >= 11
  37     {
  38     typedef std::deque<int, min_allocator<int>> C;
  39     C c;
  40     C::iterator i;
  41     i = c.begin();
  42     C::const_iterator j;
  43     j = c.cbegin();
  44     assert(i == j);
  45     }
  46 #endif
  47 #if TEST_STD_VER > 11
  48     { // N3644 testing
  49         std::deque<int>::iterator ii1{}, ii2{};
  50         std::deque<int>::iterator ii4 = ii1;
  51         std::deque<int>::const_iterator cii{};
  52         assert ( ii1 == ii2 );
  53         assert ( ii1 == ii4 );
  54
  55         assert (!(ii1 != ii2 ));
  56
  57         assert ( (ii1 == cii ));
  58         assert ( (cii == ii1 ));
  59         assert (!(ii1 != cii ));
  60         assert (!(cii != ii1 ));
  61         assert (!(ii1 <  cii ));
  62         assert (!(cii <  ii1 ));
  63         assert ( (ii1 <= cii ));
  64         assert ( (cii <= ii1 ));
  65         assert (!(ii1 >  cii ));
  66         assert (!(cii >  ii1 ));
  67         assert ( (ii1 >= cii ));
  68         assert ( (cii >= ii1 ));
  69         assert (cii - ii1 == 0);
  70         assert (ii1 - cii == 0);
  71
  72 //         std::deque<int> c;
  73 //         assert ( ii1 != c.cbegin());
  74 //         assert ( cii != c.begin());
  75 //         assert ( cii != c.cend());
  76 //         assert ( ii1 != c.end());
  77     }
  78 #endif
  79
  80   return 0;
  81 }