libcxx/test/std/containers/sequences/vector.bool/construct_size.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 // explicit vector(size_type n);
  13
  14 #include <vector>
  15 #include <cassert>
  16
  17 #include "test_macros.h"
  18 #include "min_allocator.h"
  19 #include "test_allocator.h"
  20
  21 template <class C>
  22 TEST_CONSTEXPR_CXX20 void test2(typename C::size_type n,
  23                                 typename C::allocator_type const& a = typename C::allocator_type ())
  24 {
  25 #if TEST_STD_VER >= 14
  26     C c(n, a);
  27     LIBCPP_ASSERT(c.__invariants());
  28     assert(c.size() == n);
  29     assert(c.get_allocator() == a);
  30     for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i != e; ++i)
  31         assert(*i == typename C::value_type());
  32 #else
  33   ((void)n);
  34   ((void)a);
  35 #endif
  36 }
  37
  38 template <class C>
  39 TEST_CONSTEXPR_CXX20 void test1(typename C::size_type n)
  40 {
  41     C c(n);
  42     LIBCPP_ASSERT(c.__invariants());
  43     assert(c.size() == n);
  44     assert(c.get_allocator() == typename C::allocator_type());
  45     for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i != e; ++i)
  46         assert(*i == typename C::value_type());
  47 }
  48
  49 template <class C>
  50 TEST_CONSTEXPR_CXX20 void test(typename C::size_type n)
  51 {
  52     test1<C> ( n );
  53     test2<C> ( n );
  54 }
  55
  56 TEST_CONSTEXPR_CXX20 bool tests()
  57 {
  58     test<std::vector<bool> >(50);
  59 #if TEST_STD_VER >= 11
  60     test<std::vector<bool, min_allocator<bool>> >(50);
  61     test2<std::vector<bool, test_allocator<bool>> >( 100, test_allocator<bool>(23));
  62 #endif
  63
  64     return true;
  65 }
  66
  67 int main(int, char**)
  68 {
  69     tests();
  70 #if TEST_STD_VER > 17
  71     static_assert(tests());
  72 #endif
  73     return 0;
  74 }