libcxx/test/std/concepts/concepts.object/movable.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 movable = see below;
  13
  14 #include <concepts>
  15
  16 #include <deque>
  17 #include <forward_list>
  18 #include <list>
  19 #include <map>
  20 #include <optional>
  21 #include <unordered_map>
  22 #include <vector>
  23
  24 #include "test_macros.h"
  25
  26 #ifndef TEST_HAS_NO_THREADS
  27 #  include <mutex>
  28 #endif
  29
  30 #include "type_classification/moveconstructible.h"
  31 #include "type_classification/movable.h"
  32
  33 // Movable types
  34 static_assert(std::movable<int>);
  35 static_assert(std::movable<int volatile>);
  36 static_assert(std::movable<int*>);
  37 static_assert(std::movable<int const*>);
  38 static_assert(std::movable<int volatile*>);
  39 static_assert(std::movable<int const volatile*>);
  40 static_assert(std::movable<int (*)()>);
  41
  42 struct S {};
  43 static_assert(std::movable<S>);
  44 static_assert(std::movable<int S::*>);
  45 static_assert(std::movable<int (S::*)()>);
  46 static_assert(std::movable<int (S::*)() noexcept>);
  47 static_assert(std::movable<int (S::*)() &>);
  48 static_assert(std::movable<int (S::*)() & noexcept>);
  49 static_assert(std::movable<int (S::*)() &&>);
  50 static_assert(std::movable<int (S::*)() && noexcept>);
  51 static_assert(std::movable<int (S::*)() const>);
  52 static_assert(std::movable<int (S::*)() const noexcept>);
  53 static_assert(std::movable<int (S::*)() const&>);
  54 static_assert(std::movable<int (S::*)() const & noexcept>);
  55 static_assert(std::movable<int (S::*)() const&&>);
  56 static_assert(std::movable<int (S::*)() const && noexcept>);
  57 static_assert(std::movable<int (S::*)() volatile>);
  58 static_assert(std::movable<int (S::*)() volatile noexcept>);
  59 static_assert(std::movable<int (S::*)() volatile&>);
  60 static_assert(std::movable<int (S::*)() volatile & noexcept>);
  61 static_assert(std::movable<int (S::*)() volatile&&>);
  62 static_assert(std::movable<int (S::*)() volatile && noexcept>);
  63 static_assert(std::movable<int (S::*)() const volatile>);
  64 static_assert(std::movable<int (S::*)() const volatile noexcept>);
  65 static_assert(std::movable<int (S::*)() const volatile&>);
  66 static_assert(std::movable<int (S::*)() const volatile & noexcept>);
  67 static_assert(std::movable<int (S::*)() const volatile&&>);
  68 static_assert(std::movable<int (S::*)() const volatile && noexcept>);
  69
  70 static_assert(std::movable<std::deque<int> >);
  71 static_assert(std::movable<std::forward_list<int> >);
  72 static_assert(std::movable<std::list<int> >);
  73 static_assert(std::movable<std::optional<std::vector<int> > >);
  74 static_assert(std::movable<std::vector<int> >);
  75
  76 static_assert(std::movable<has_volatile_member>);
  77 static_assert(std::movable<has_array_member>);
  78
  79 // Not objects
  80 static_assert(!std::movable<int&>);
  81 static_assert(!std::movable<int const&>);
  82 static_assert(!std::movable<int volatile&>);
  83 static_assert(!std::movable<int const volatile&>);
  84 static_assert(!std::movable<int&&>);
  85 static_assert(!std::movable<int const&&>);
  86 static_assert(!std::movable<int volatile&&>);
  87 static_assert(!std::movable<int const volatile&&>);
  88 static_assert(!std::movable<int()>);
  89 static_assert(!std::movable<int (&)()>);
  90 static_assert(!std::movable<int[5]>);
  91
  92 // Core non-move assignable.
  93 static_assert(!std::movable<int const>);
  94 static_assert(!std::movable<int const volatile>);
  95
  96 static_assert(!std::movable<DeletedMoveCtor>);
  97 static_assert(!std::movable<ImplicitlyDeletedMoveCtor>);
  98 static_assert(!std::movable<DeletedMoveAssign>);
  99 static_assert(!std::movable<ImplicitlyDeletedMoveAssign>);
 100 static_assert(!std::movable<NonMovable>);
 101 static_assert(!std::movable<DerivedFromNonMovable>);
 102 static_assert(!std::movable<HasANonMovable>);
 103
 104 static_assert(std::movable<cpp03_friendly>);
 105 static_assert(std::movable<const_move_ctor>);
 106 static_assert(std::movable<volatile_move_ctor>);
 107 static_assert(std::movable<cv_move_ctor>);
 108 static_assert(std::movable<multi_param_move_ctor>);
 109 static_assert(!std::movable<not_quite_multi_param_move_ctor>);
 110
 111 static_assert(!std::assignable_from<copy_with_mutable_parameter&,
 112                                     copy_with_mutable_parameter>);
 113 static_assert(!std::movable<copy_with_mutable_parameter>);
 114
 115 static_assert(!std::movable<const_move_assignment>);
 116 static_assert(std::movable<volatile_move_assignment>);
 117 static_assert(!std::movable<cv_move_assignment>);
 118
 119 static_assert(!std::movable<const_move_assign_and_traditional_move_assign>);
 120 static_assert(!std::movable<volatile_move_assign_and_traditional_move_assign>);
 121 static_assert(!std::movable<cv_move_assign_and_traditional_move_assign>);
 122 static_assert(std::movable<const_move_assign_and_default_ops>);
 123 static_assert(std::movable<volatile_move_assign_and_default_ops>);
 124 static_assert(std::movable<cv_move_assign_and_default_ops>);
 125
 126 static_assert(!std::movable<has_const_member>);
 127 static_assert(!std::movable<has_cv_member>);
 128 static_assert(!std::movable<has_lvalue_reference_member>);
 129 static_assert(!std::movable<has_rvalue_reference_member>);
 130 static_assert(!std::movable<has_function_ref_member>);
 131
 132 static_assert(std::movable<deleted_assignment_from_const_rvalue>);
 133
 134 // `move_constructible and assignable_from<T&, T>` implies `swappable<T>`,
 135 // so there's nothing to test for the case of non-swappable.