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

   1 // -*- C++ -*-
   2 // Testing utilities for the tr1 testsuite.
   3 //
   4 // Copyright (C) 2004, 2005, 2006, 2007 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 <ext/type_traits.h>
  35
  36 namespace __gnu_test
  37 {
  38   // For tr1/type_traits.
  39   template<template<typename> class Category, typename Type>
  40     bool
  41     test_category(bool value)
  42     {
  43       bool ret = true;
  44       ret &= Category<Type>::value == value;
  45       ret &= Category<const Type>::value == value;
  46       ret &= Category<volatile Type>::value == value;
  47       ret &= Category<const volatile Type>::value == value;
  48       ret &= Category<Type>::type::value == value;
  49       ret &= Category<const Type>::type::value == value;
  50       ret &= Category<volatile Type>::type::value == value;
  51       ret &= Category<const volatile Type>::type::value == value;
  52       return ret;
  53     }
  54
  55   template<template<typename> class Property, 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   // For testing tr1/type_traits/extent, which has a second template
  66   // parameter.
  67   template<template<typename, unsigned> class Property,
  68            typename Type,
  69            unsigned Uint>
  70     bool
  71     test_property(typename Property<Type, Uint>::value_type value)
  72     {
  73       bool ret = true;
  74       ret &= Property<Type, Uint>::value == value;
  75       ret &= Property<Type, Uint>::type::value == value;
  76       return ret;
  77     }
  78
  79   template<template<typename, typename> class Relationship,
  80            typename Type1, typename Type2>
  81     bool
  82     test_relationship(bool value)
  83     {
  84       bool ret = true;
  85       ret &= Relationship<Type1, Type2>::value == value;
  86       ret &= Relationship<Type1, Type2>::type::value == value;
  87       return ret;
  88     }
  89
  90   // Test types.
  91   class ClassType { };
  92   typedef const ClassType           cClassType;
  93   typedef volatile ClassType        vClassType;
  94   typedef const volatile ClassType  cvClassType;
  95
  96   class DerivedType : public ClassType { };
  97
  98   enum EnumType { e0 };
  99
 100   struct ConvType
 101   { operator int() const; };
 102
 103   class AbstractClass
 104   {
 105     virtual void rotate(int) = 0;
 106   };
 107
 108   class PolymorphicClass
 109   {
 110     virtual void rotate(int);
 111   };
 112
 113   class DerivedPolymorphic : public PolymorphicClass { };
 114
 115   class VirtualDestructorClass
 116   {
 117     virtual ~VirtualDestructorClass();
 118   };
 119
 120   union UnionType { };
 121
 122   class IncompleteClass;
 123
 124   int truncate_float(float x) { return (int)x; }
 125   long truncate_double(double x) { return (long)x; }
 126
 127   struct do_truncate_float_t
 128   {
 129     do_truncate_float_t()
 130     {
 131       ++live_objects;
 132     }
 133
 134     do_truncate_float_t(const do_truncate_float_t&)
 135     {
 136       ++live_objects;
 137     }
 138
 139     ~do_truncate_float_t()
 140     {
 141       --live_objects;
 142     }
 143
 144     int operator()(float x) { return (int)x; }
 145
 146     static int live_objects;
 147   };
 148
 149   int do_truncate_float_t::live_objects = 0;
 150
 151   struct do_truncate_double_t
 152   {
 153     do_truncate_double_t()
 154     {
 155      ++live_objects;
 156     }
 157
 158     do_truncate_double_t(const do_truncate_double_t&)
 159     {
 160       ++live_objects;
 161     }
 162
 163     ~do_truncate_double_t()
 164     {
 165       --live_objects;
 166     }
 167
 168     long operator()(double x) { return (long)x; }
 169
 170     static int live_objects;
 171   };
 172
 173   int do_truncate_double_t::live_objects = 0;
 174
 175   struct X
 176   {
 177     int bar;
 178
 179     int foo()                   { return 1; }
 180     int foo_c() const           { return 2; }
 181     int foo_v()  volatile       { return 3; }
 182     int foo_cv() const volatile { return 4; }
 183   };
 184
 185   // For use in 8_c_compatibility.
 186   template<typename R, typename T>
 187     typename __gnu_cxx::__enable_if<std::__are_same<R, T>::__value,
 188                                     bool>::__type
 189     check_ret_type(T)
 190     { return true; }
 191
 192 } // namespace __gnu_test
 193
 194 #endif // _GLIBCXX_TESTSUITE_TR1_H