libcxx/test/std/containers/sequences/array/contiguous.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 // <array>
  10
  11 // An array is a contiguous container
  12
  13 #include <array>
  14 #include <cassert>
  15
  16 #include "test_macros.h"
  17
  18 template <class C>
  19 void test_contiguous ( const C &c )
  20 {
  21     for ( size_t i = 0; i < c.size(); ++i )
  22         assert ( *(c.begin() + i) == *(std::addressof(*c.begin()) + i));
  23 }
  24
  25 int main(int, char**)
  26 {
  27     {
  28         typedef double T;
  29         typedef std::array<T, 3> C;
  30         test_contiguous (C());
  31     }
  32
  33   return 0;
  34 }