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

   1 // -*- C++ -*-
   2 // Testing utilities for the tr1 testsuite.
   3 //
   4 // Copyright (C) 2004, 2005, 2006 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 2, 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 COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21 //
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 #ifndef _GLIBCXX_TESTSUITE_TR1_H
  32 #define _GLIBCXX_TESTSUITE_TR1_H
  33
  34 #include <bits/cpp_type_traits.h>
  35
  36 namespace __gnu_test
  37 {
  38   // For tr1/type_traits.
  39   template<template<typename> class Category,
  40            typename Type>
  41     bool
  42     test_category(bool value)
  43     {
  44       bool ret = true;
  45       ret &= Category<Type>::value == value;
  46       ret &= Category<const Type>::value == value;
  47       ret &= Category<volatile Type>::value == value;
  48       ret &= Category<const volatile Type>::value == value;
  49       ret &= Category<Type>::type::value == value;
  50       ret &= Category<const Type>::type::value == value;
  51       ret &= Category<volatile Type>::type::value == value;
  52       ret &= Category<const volatile Type>::type::value == value;
  53       return ret;
  54     }
  55
  56   template<template<typename> class Property,
  57            typename Type>
  58     bool
  59     test_property(typename Property<Type>::value_type value)
  60     {
  61       bool ret = true;
  62       ret &= Property<Type>::value == value;
  63       ret &= Property<Type>::type::value == value;
  64       return ret;
  65     }
  66
  67   // For testing tr1/type_traits/extent, which has a second template
  68   // parameter.
  69   template<template<typename, unsigned> class Property,
  70            typename Type,
  71            unsigned Uint>
  72     bool
  73     test_property(typename Property<Type, Uint>::value_type value)
  74     {
  75       bool ret = true;
  76       ret &= Property<Type, Uint>::value == value;
  77       ret &= Property<Type, Uint>::type::value == value;
  78       return ret;
  79     }
  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 { };
 101
 102   struct ConvType
 103   { operator int() const; };
 104
 105   class AbstractClass
 106   {
 107     virtual void rotate(int) = 0;
 108     virtual ~AbstractClass();
 109   };
 110
 111   class PolymorphicClass
 112   {
 113     virtual void rotate(int);
 114     virtual ~PolymorphicClass();
 115   };
 116
 117   class DerivedPolymorphic : public PolymorphicClass { };
 118
 119   union UnionType { };
 120
 121   class IncompleteClass;
 122
 123   int truncate_float(float x) { return (int)x; }
 124   long truncate_double(double x) { return (long)x; }
 125
 126   struct do_truncate_float_t
 127   {
 128     do_truncate_float_t()
 129     {
 130       ++live_objects;
 131     }
 132
 133     do_truncate_float_t(const do_truncate_float_t&)
 134     {
 135       ++live_objects;
 136     }
 137
 138     ~do_truncate_float_t()
 139     {
 140       --live_objects;
 141     }
 142
 143     int operator()(float x) { return (int)x; }
 144
 145     static int live_objects;
 146   };
 147
 148   int do_truncate_float_t::live_objects = 0;
 149
 150   struct do_truncate_double_t
 151   {
 152     do_truncate_double_t()
 153     {
 154      ++live_objects;
 155     }
 156
 157     do_truncate_double_t(const do_truncate_double_t&)
 158     {
 159       ++live_objects;
 160     }
 161
 162     ~do_truncate_double_t()
 163     {
 164       --live_objects;
 165     }
 166
 167     long operator()(double x) { return (long)x; }
 168
 169     static int live_objects;
 170   };
 171
 172   int do_truncate_double_t::live_objects = 0;
 173
 174   struct X
 175   {
 176     int bar;
 177
 178     int foo()                   { return 1; }
 179     int foo_c() const           { return 2; }
 180     int foo_v()  volatile       { return 3; }
 181     int foo_cv() const volatile { return 4; }
 182   };
 183
 184   // For use in 8_c_compatibility.
 185   template<typename R, typename T>
 186     typename std::__enable_if<bool, std::__are_same<R, T>::__value>::__type
 187     check_ret_type(T)
 188     { return true; }
 189
 190 } // namespace __gnu_test
 191
 192 #endif // _GLIBCXX_TESTSUITE_TR1_H