libstdc++-v3/testsuite/util/testsuite_tr1.h

   1 // -*- C++ -*-
   2 // Testing utilities for the tr1 testsuite.
   3 //
   4 // Copyright (C) 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20 //
  21
  22 #ifndef _GLIBCXX_TESTSUITE_TR1_H
  23 #define _GLIBCXX_TESTSUITE_TR1_H
  24
  25 #include <ext/type_traits.h>
  26
  27 namespace __gnu_test
  28 {
  29   // For tr1/type_traits.
  30   template<template<typename> class Category, typename Type>
  31     bool
  32     test_category(bool value)
  33     {
  34       bool ret = true;
  35       ret &= Category<Type>::value == value;
  36       ret &= Category<const Type>::value == value;
  37       ret &= Category<volatile Type>::value == value;
  38       ret &= Category<const volatile Type>::value == value;
  39       ret &= Category<Type>::type::value == value;
  40       ret &= Category<const Type>::type::value == value;
  41       ret &= Category<volatile Type>::type::value == value;
  42       ret &= Category<const volatile Type>::type::value == value;
  43       return ret;
  44     }
  45
  46   template<template<typename> class Property, typename Type>
  47     bool
  48     test_property(typename Property<Type>::value_type value)
  49     {
  50       bool ret = true;
  51       ret &= Property<Type>::value == value;
  52       ret &= Property<Type>::type::value == value;
  53       return ret;
  54     }
  55
  56   // For testing tr1/type_traits/extent, which has a second template
  57   // parameter.
  58   template<template<typename, unsigned> class Property,
  59            typename Type, unsigned Uint>
  60     bool
  61     test_property(typename Property<Type, Uint>::value_type value)
  62     {
  63       bool ret = true;
  64       ret &= Property<Type, Uint>::value == value;
  65       ret &= Property<Type, Uint>::type::value == value;
  66       return ret;
  67     }
  68
  69 #ifdef __GXX_EXPERIMENTAL_CXX0X__
  70   template<template<typename...> class Property, typename... Types>
  71     bool
  72     test_property(typename Property<Types...>::value_type value)
  73     {
  74       bool ret = true;
  75       ret &= Property<Types...>::value == value;
  76       ret &= Property<Types...>::type::value == value;
  77       return ret;
  78     }
  79 #endif
  80
  81   template<template<typename, typename> class Relationship,
  82            typename Type1, typename Type2>
  83     bool
  84     test_relationship(bool value)
  85     {
  86       bool ret = true;
  87       ret &= Relationship<Type1, Type2>::value == value;
  88       ret &= Relationship<Type1, Type2>::type::value == value;
  89       return ret;
  90     }
  91
  92   // Test types.
  93   class ClassType { };
  94   typedef const ClassType           cClassType;
  95   typedef volatile ClassType        vClassType;
  96   typedef const volatile ClassType  cvClassType;
  97
  98   class DerivedType : public ClassType { };
  99
 100   enum EnumType { e0 };
 101
 102   struct ConvType
 103   { operator int() const; };
 104
 105   class AbstractClass
 106   {
 107     virtual void rotate(int) = 0;
 108   };
 109
 110   class PolymorphicClass
 111   {
 112     virtual void rotate(int);
 113   };
 114
 115   class DerivedPolymorphic : public PolymorphicClass { };
 116
 117   class VirtualDestructorClass
 118   {
 119     virtual ~VirtualDestructorClass();
 120   };
 121
 122   union UnionType { };
 123
 124   class IncompleteClass;
 125
 126   struct ExplicitClass
 127   {
 128     ExplicitClass(double&);
 129     explicit ExplicitClass(int&);
 130   };
 131
 132   struct NType   // neither trivial nor standard-layout
 133   {
 134     int i;
 135     int j;
 136     virtual ~NType();
 137   };
 138
 139   struct TType   // trivial but not standard-layout
 140   {
 141     int i;
 142   private:
 143     int j;
 144   };
 145
 146   struct SLType  // standard-layout but not trivial
 147   {
 148     int i;
 149     int j;
 150     ~SLType();
 151   };
 152
 153   struct PODType // both trivial and standard-layout
 154   {
 155     int i;
 156     int j;
 157   };
 158
 159   int truncate_float(float x) { return (int)x; }
 160   long truncate_double(double x) { return (long)x; }
 161
 162   struct do_truncate_float_t
 163   {
 164     do_truncate_float_t()
 165     {
 166       ++live_objects;
 167     }
 168
 169     do_truncate_float_t(const do_truncate_float_t&)
 170     {
 171       ++live_objects;
 172     }
 173
 174     ~do_truncate_float_t()
 175     {
 176       --live_objects;
 177     }
 178
 179     int operator()(float x) { return (int)x; }
 180
 181     static int live_objects;
 182   };
 183
 184   int do_truncate_float_t::live_objects = 0;
 185
 186   struct do_truncate_double_t
 187   {
 188     do_truncate_double_t()
 189     {
 190      ++live_objects;
 191     }
 192
 193     do_truncate_double_t(const do_truncate_double_t&)
 194     {
 195       ++live_objects;
 196     }
 197
 198     ~do_truncate_double_t()
 199     {
 200       --live_objects;
 201     }
 202
 203     long operator()(double x) { return (long)x; }
 204
 205     static int live_objects;
 206   };
 207
 208   int do_truncate_double_t::live_objects = 0;
 209
 210   struct X
 211   {
 212     int bar;
 213
 214     int foo()                   { return 1; }
 215     int foo_c() const           { return 2; }
 216     int foo_v()  volatile       { return 3; }
 217     int foo_cv() const volatile { return 4; }
 218   };
 219
 220   // For use in 8_c_compatibility.
 221   template<typename R, typename T>
 222     typename __gnu_cxx::__enable_if<std::__are_same<R, T>::__value,
 223                                     bool>::__type
 224     check_ret_type(T)
 225     { return true; }
 226
 227 } // namespace __gnu_test
 228
 229 #endif // _GLIBCXX_TESTSUITE_TR1_H