libcxx/test/std/concepts/concepts.object/semiregular.compile.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 // UNSUPPORTED: c++03, c++11, c++14, c++17
  10
  11 // template<class T>
  12 // concept semiregular = see below;
  13
  14 #include <concepts>
  15
  16 #include <deque>
  17 #include <forward_list>
  18 #include <list>
  19 #include <map>
  20 #include <memory>
  21 #include <optional>
  22 #include <stdexcept>
  23 #include <tuple>
  24 #include <unordered_map>
  25 #include <vector>
  26
  27 #include "type_classification/semiregular.h"
  28
  29 static_assert(std::semiregular<int>);
  30 static_assert(std::semiregular<int volatile>);
  31 static_assert(std::semiregular<int*>);
  32 static_assert(std::semiregular<int const*>);
  33 static_assert(std::semiregular<int volatile*>);
  34 static_assert(std::semiregular<int volatile const*>);
  35 static_assert(std::semiregular<int (*)()>);
  36
  37 struct S {};
  38 static_assert(std::semiregular<S>);
  39 static_assert(std::semiregular<int S::*>);
  40 static_assert(std::semiregular<int (S::*)()>);
  41 static_assert(std::semiregular<int (S::*)() noexcept>);
  42 static_assert(std::semiregular<int (S::*)() &>);
  43 static_assert(std::semiregular<int (S::*)() & noexcept>);
  44 static_assert(std::semiregular<int (S::*)() &&>);
  45 static_assert(std::semiregular<int (S::*)() && noexcept>);
  46 static_assert(std::semiregular<int (S::*)() const>);
  47 static_assert(std::semiregular<int (S::*)() const noexcept>);
  48 static_assert(std::semiregular<int (S::*)() const&>);
  49 static_assert(std::semiregular<int (S::*)() const & noexcept>);
  50 static_assert(std::semiregular<int (S::*)() const&&>);
  51 static_assert(std::semiregular<int (S::*)() const && noexcept>);
  52 static_assert(std::semiregular<int (S::*)() volatile>);
  53 static_assert(std::semiregular<int (S::*)() volatile noexcept>);
  54 static_assert(std::semiregular<int (S::*)() volatile&>);
  55 static_assert(std::semiregular<int (S::*)() volatile & noexcept>);
  56 static_assert(std::semiregular<int (S::*)() volatile&&>);
  57 static_assert(std::semiregular<int (S::*)() volatile && noexcept>);
  58 static_assert(std::semiregular<int (S::*)() const volatile>);
  59 static_assert(std::semiregular<int (S::*)() const volatile noexcept>);
  60 static_assert(std::semiregular<int (S::*)() const volatile&>);
  61 static_assert(std::semiregular<int (S::*)() const volatile & noexcept>);
  62 static_assert(std::semiregular<int (S::*)() const volatile&&>);
  63 static_assert(std::semiregular<int (S::*)() const volatile && noexcept>);
  64
  65 static_assert(std::semiregular<std::vector<int> >);
  66 static_assert(std::semiregular<std::deque<int> >);
  67 static_assert(std::semiregular<std::forward_list<int> >);
  68 static_assert(std::semiregular<std::list<int> >);
  69 static_assert(std::semiregular<std::shared_ptr<std::unique_ptr<int> > >);
  70 static_assert(std::semiregular<std::optional<std::vector<int> > >);
  71 static_assert(std::semiregular<std::vector<int> >);
  72 static_assert(std::semiregular<std::vector<std::unique_ptr<int> > >);
  73
  74 static_assert(std::semiregular<has_volatile_member>);
  75 static_assert(std::semiregular<has_array_member>);
  76
  77 // Not objects
  78 static_assert(!std::semiregular<void>);
  79 static_assert(!std::semiregular<int&>);
  80 static_assert(!std::semiregular<int const&>);
  81 static_assert(!std::semiregular<int volatile&>);
  82 static_assert(!std::semiregular<int const volatile&>);
  83 static_assert(!std::semiregular<int&&>);
  84 static_assert(!std::semiregular<int const&&>);
  85 static_assert(!std::semiregular<int volatile&&>);
  86 static_assert(!std::semiregular<int const volatile&&>);
  87 static_assert(!std::semiregular<int()>);
  88 static_assert(!std::semiregular<int (&)()>);
  89 static_assert(!std::semiregular<int[5]>);
  90
  91 // Not copyable
  92 static_assert(!std::semiregular<std::unique_ptr<int> >);
  93 static_assert(!std::semiregular<int const>);
  94 static_assert(!std::semiregular<int const volatile>);
  95 static_assert(std::semiregular<const_copy_assignment const>);
  96 static_assert(!std::semiregular<volatile_copy_assignment volatile>);
  97 static_assert(std::semiregular<cv_copy_assignment const volatile>);
  98 static_assert(!std::semiregular<no_copy_constructor>);
  99 static_assert(!std::semiregular<no_copy_assignment>);
 100 static_assert(!std::semiregular<no_copy_assignment_mutable>);
 101 static_assert(!std::semiregular<derived_from_noncopyable>);
 102 static_assert(!std::semiregular<has_noncopyable>);
 103 static_assert(!std::semiregular<has_const_member>);
 104 static_assert(!std::semiregular<has_cv_member>);
 105 static_assert(!std::semiregular<has_lvalue_reference_member>);
 106 static_assert(!std::semiregular<has_rvalue_reference_member>);
 107 static_assert(!std::semiregular<has_function_ref_member>);
 108 static_assert(!std::semiregular<deleted_assignment_from_const_rvalue>);
 109
 110 // Not default_initializable
 111 static_assert(!std::semiregular<std::runtime_error>);
 112 static_assert(
 113     !std::semiregular<std::tuple<std::runtime_error, std::overflow_error> >);
 114 static_assert(!std::semiregular<std::nullopt_t>);
 115 static_assert(!std::semiregular<no_copy_constructor>);
 116 static_assert(!std::semiregular<no_copy_assignment>);
 117 static_assert(std::is_copy_assignable_v<no_copy_assignment_mutable>);
 118 static_assert(!std::semiregular<no_copy_assignment_mutable>);
 119 static_assert(!std::semiregular<derived_from_noncopyable>);
 120 static_assert(!std::semiregular<has_noncopyable>);
 121
 122 static_assert(!std::semiregular<no_default_ctor>);
 123 static_assert(!std::semiregular<derived_from_non_default_initializable>);
 124 static_assert(!std::semiregular<has_non_default_initializable>);
 125
 126 static_assert(!std::semiregular<deleted_default_ctor>);
 127 static_assert(!std::semiregular<derived_from_deleted_default_ctor>);
 128 static_assert(!std::semiregular<has_deleted_default_ctor>);