libstdc++-v3/testsuite/testsuite_tr1.h

   1 // -*- C++ -*-
   2 // Testing utilities for the tr1 testsuite.
   3 //
   4 // Copyright (C) 2004, 2005 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  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 namespace __gnu_test
  35 {
  36   // For tr1/type_traits.
  37   template<template<typename> class Category,
  38            typename Type>
  39     bool
  40     test_category(bool value)
  41     {
  42       bool ret = true;
  43       ret &= Category<Type>::value == value;
  44       ret &= Category<const Type>::value == value;
  45       ret &= Category<volatile Type>::value == value;
  46       ret &= Category<const volatile Type>::value == value;
  47       ret &= Category<Type>::type::value == value;
  48       ret &= Category<const Type>::type::value == value;
  49       ret &= Category<volatile Type>::type::value == value;
  50       ret &= Category<const volatile Type>::type::value == value;
  51       return ret;
  52     }
  53
  54   template<template<typename> class Property,
  55            typename Type>
  56     bool
  57     test_property(typename Property<Type>::value_type value)
  58     {
  59       bool ret = true;
  60       ret &= Property<Type>::value == value;
  61       ret &= Property<Type>::type::value == value;
  62       return ret;
  63     }
  64
  65   template<template<typename> class Property,
  66            typename Type>
  67     bool
  68     test_copy_property(bool value)
  69     {
  70       bool ret = true;
  71       ret &= Property<Type>::value == value;
  72       ret &= Property<const Type>::value == value;
  73       ret &= Property<volatile Type>::value == !value;
  74       ret &= Property<const volatile Type>::value == !value;
  75       ret &= Property<Type>::type::value == value;
  76       ret &= Property<const Type>::type::value == value;
  77       ret &= Property<volatile Type>::type::value == !value;
  78       ret &= Property<const volatile Type>::type::value == !value;
  79       return ret;
  80     }
  81
  82   template<template<typename> class Property,
  83            typename Type>
  84     bool
  85     test_assign_property(bool value)
  86     {
  87       bool ret = true;
  88       ret &= Property<Type>::value == value;
  89       ret &= Property<const Type>::value == !value;
  90       ret &= Property<volatile Type>::value == !value;
  91       ret &= Property<const volatile Type>::value == !value;
  92       ret &= Property<Type>::type::value == value;
  93       ret &= Property<const Type>::type::value == !value;
  94       ret &= Property<volatile Type>::type::value == !value;
  95       ret &= Property<const volatile Type>::type::value == !value;
  96       return ret;
  97     }
  98
  99   template<template<typename, typename> class Relationship,
 100            typename Type1, typename Type2>
 101     bool
 102     test_relationship(bool value)
 103     {
 104       bool ret = true;
 105       ret &= Relationship<Type1, Type2>::value == value;
 106       ret &= Relationship<Type1, Type2>::type::value == value;
 107       return ret;
 108     }
 109
 110   // Test types.
 111   class ClassType { };
 112   typedef const ClassType           cClassType;
 113   typedef volatile ClassType        vClassType;
 114   typedef const volatile ClassType  cvClassType;
 115
 116   class DerivedType : public ClassType { };
 117
 118   enum EnumType { };
 119
 120   struct ConvType
 121   { operator int() const; };
 122
 123   class AbstractClass
 124   {
 125     virtual void rotate(int) = 0;
 126     virtual ~AbstractClass();
 127   };
 128
 129   class PolymorphicClass
 130   {
 131     virtual void rotate(int);
 132     virtual ~PolymorphicClass();
 133   };
 134
 135   class DerivedPolymorphic : public PolymorphicClass { };
 136
 137   union UnionType { };
 138
 139
 140   int truncate_float(float x) { return (int)x; }
 141   long truncate_double(double x) { return (long)x; }
 142
 143   struct do_truncate_float_t
 144   {
 145     do_truncate_float_t()
 146     {
 147       ++live_objects;
 148     }
 149
 150     do_truncate_float_t(const do_truncate_float_t&)
 151     {
 152       ++live_objects;
 153     }
 154
 155     ~do_truncate_float_t()
 156     {
 157       --live_objects;
 158     }
 159
 160     int operator()(float x) { return (int)x; }
 161
 162     static int live_objects;
 163   };
 164
 165   int do_truncate_float_t::live_objects = 0;
 166
 167   struct do_truncate_double_t
 168   {
 169     do_truncate_double_t()
 170     {
 171      ++live_objects;
 172     }
 173
 174     do_truncate_double_t(const do_truncate_double_t&)
 175     {
 176       ++live_objects;
 177     }
 178
 179     ~do_truncate_double_t()
 180     {
 181       --live_objects;
 182     }
 183
 184     long operator()(double x) { return (long)x; }
 185
 186     static int live_objects;
 187   };
 188
 189   int do_truncate_double_t::live_objects = 0;
 190
 191   struct X
 192   {
 193     int bar;
 194
 195     int foo()                   { return 1; }
 196     int foo_c() const           { return 2; }
 197     int foo_v()  volatile       { return 3; }
 198     int foo_cv() const volatile { return 4; }
 199   };
 200 } // namespace __gnu_test
 201
 202 #endif // _GLIBCXX_TESTSUITE_TR1_H