libcxx/test/std/containers/sequences/vector.bool/push_back.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 // <vector>
  10 // vector<bool>
  11
  12 // void push_back(const value_type& x);
  13
  14 #include <vector>
  15 #include <cassert>
  16 #include <cstddef>
  17
  18 #include "test_macros.h"
  19 #include "min_allocator.h"
  20
  21 TEST_CONSTEXPR_CXX20 bool tests()
  22 {
  23     {
  24         bool a[] = {0, 1, 1, 0, 1, 0, 0};
  25         const unsigned N = sizeof(a)/sizeof(a[0]);
  26         std::vector<bool> c;
  27         for (unsigned i = 0; i < N; ++i)
  28         {
  29             c.push_back(a[i]);
  30             assert(c.size() == i+1);
  31             for (std::size_t j = 0; j < c.size(); ++j)
  32                 assert(c[j] == a[j]);
  33         }
  34     }
  35 #if TEST_STD_VER >= 11
  36     {
  37         bool a[] = {0, 1, 1, 0, 1, 0, 0};
  38         const unsigned N = sizeof(a)/sizeof(a[0]);
  39         std::vector<bool, min_allocator<bool>> c;
  40         for (unsigned i = 0; i < N; ++i)
  41         {
  42             c.push_back(a[i]);
  43             assert(c.size() == i+1);
  44             for (std::size_t j = 0; j < c.size(); ++j)
  45                 assert(c[j] == a[j]);
  46         }
  47     }
  48 #endif
  49
  50     return true;
  51 }
  52
  53 int main(int, char**)
  54 {
  55     tests();
  56 #if TEST_STD_VER > 17
  57     static_assert(tests());
  58 #endif
  59     return 0;
  60 }