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

// -*- C++ -*-
// Testing utilities for the tr1 testsuite.
//
// Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.
//

#ifndef _GLIBCXX_TESTSUITE_TR1_H
#define _GLIBCXX_TESTSUITE_TR1_H

#include <ext/type_traits.h>

namespace __gnu_test
{
  // For tr1/type_traits.
  template<template<typename> class Category, typename Type>
    bool
    test_category(bool value)
    {
      bool ret = true;
      ret &= Category<Type>::value == value;
      ret &= Category<const Type>::value == value;
      ret &= Category<volatile Type>::value == value;
      ret &= Category<const volatile Type>::value == value;
      ret &= Category<Type>::type::value == value;
      ret &= Category<const Type>::type::value == value;
      ret &= Category<volatile Type>::type::value == value;
      ret &= Category<const volatile Type>::type::value == value;
      return ret;
    }

  template<template<typename> class Property, typename Type>
    bool
    test_property(typename Property<Type>::value_type value)
    {
      bool ret = true;
      ret &= Property<Type>::value == value;
      ret &= Property<Type>::type::value == value;
      return ret;
    }

  // For testing tr1/type_traits/extent, which has a second template
  // parameter.
  template<template<typename, unsigned> class Property,
	   typename Type, unsigned Uint>
    bool
    test_property(typename Property<Type, Uint>::value_type value)
    {
      bool ret = true;
      ret &= Property<Type, Uint>::value == value;
      ret &= Property<Type, Uint>::type::value == value;
      return ret;
    }

#ifdef __GXX_EXPERIMENTAL_CXX0X__
  template<template<typename...> class Property, typename... Types>
    bool
    test_property(typename Property<Types...>::value_type value)
    {
      bool ret = true;
      ret &= Property<Types...>::value == value;
      ret &= Property<Types...>::type::value == value;
      return ret;
    }
#endif

  template<template<typename, typename> class Relationship,
	   typename Type1, typename Type2>
    bool
    test_relationship(bool value)
    {
      bool ret = true;
      ret &= Relationship<Type1, Type2>::value == value;
      ret &= Relationship<Type1, Type2>::type::value == value;
      return ret;
    }

  // Test types.
  class ClassType { };
  typedef const ClassType           cClassType;
  typedef volatile ClassType        vClassType;
  typedef const volatile ClassType  cvClassType;

  class DerivedType : public ClassType { };

  enum EnumType { e0 };

  struct ConvType
  { operator int() const; };

  class AbstractClass
  {
    virtual void rotate(int) = 0;
  };

  class PolymorphicClass
  {
    virtual void rotate(int);
  };

  class DerivedPolymorphic : public PolymorphicClass { };

  class VirtualDestructorClass
  {
    virtual ~VirtualDestructorClass();
  };

  union UnionType { };

  class IncompleteClass;

  struct ExplicitClass
  {
    ExplicitClass(double&);
    explicit ExplicitClass(int&);
    ExplicitClass(double&, int&, double&);
  };

  struct NothrowExplicitClass
  {
    NothrowExplicitClass(double&) throw();
    explicit NothrowExplicitClass(int&) throw();
    NothrowExplicitClass(double&, int&, double&) throw();
  };

  struct ThrowExplicitClass
  {
    ThrowExplicitClass(double&) throw(int);
    explicit ThrowExplicitClass(int&) throw(int);
    ThrowExplicitClass(double&, int&, double&) throw(int);
  };

  struct ThrowDefaultClass
  {
    ThrowDefaultClass() throw(int);
  };

  struct ThrowCopyConsClass
  {
    ThrowCopyConsClass(const ThrowCopyConsClass&) throw(int);
  };

#ifdef __GXX_EXPERIMENTAL_CXX0X__
  struct ThrowMoveConsClass
  {
    ThrowMoveConsClass(ThrowMoveConsClass&&) throw(int);
  };

  struct NoexceptExplicitClass
  {
    NoexceptExplicitClass(double&) noexcept(true);
    explicit NoexceptExplicitClass(int&) noexcept(true);
    NoexceptExplicitClass(double&, int&, double&) noexcept(true);
  };

  struct ExceptExplicitClass
  {
    ExceptExplicitClass(double&) noexcept(false);
    explicit ExceptExplicitClass(int&) noexcept(false);
    ExceptExplicitClass(double&, int&, double&) noexcept(false);
  };

  struct NoexceptDefaultClass
  {
    NoexceptDefaultClass() noexcept(true);
  };

  struct ExceptDefaultClass
  {
    ExceptDefaultClass() noexcept(false);
  };

  struct NoexceptCopyConsClass
  {
    NoexceptCopyConsClass(const NoexceptCopyConsClass&) noexcept(true);
  };

  struct ExceptCopyConsClass
  {
    ExceptCopyConsClass(const ExceptCopyConsClass&) noexcept(false);
  };

  struct NoexceptMoveConsClass
  {
    NoexceptMoveConsClass(NoexceptMoveConsClass&&) noexcept(true);
  };

  struct ExceptMoveConsClass
  {
    ExceptMoveConsClass(ExceptMoveConsClass&&) noexcept(false);
  };
#endif

  struct NType   // neither trivial nor standard-layout
  {
    int i;
    int j;
    virtual ~NType();
  };

  struct TType   // trivial but not standard-layout
  {
    int i;
  private:
    int j;
  };

  struct SLType  // standard-layout but not trivial
  {
    int i;
    int j;
    ~SLType();
  };

  struct PODType // both trivial and standard-layout
  {
    int i;
    int j;
  };

#ifdef __GXX_EXPERIMENTAL_CXX0X__
  struct LType // literal type
  {
    int _M_i;

    constexpr LType(int __i) : _M_i(__i) { }
  };

  struct LTypeDerived : public LType
  {
    constexpr LTypeDerived(int __i) : LType(__i) { }
  };

  struct NLType // not literal type
  {
    int _M_i;

    NLType() : _M_i(0) { }

    constexpr NLType(int __i) : _M_i(__i) { }

    NLType(const NLType& __other) : _M_i(__other._M_i) { }

    ~NLType() { _M_i = 0; }
  };
#endif

  int truncate_float(float x) { return (int)x; }
  long truncate_double(double x) { return (long)x; }

  struct do_truncate_float_t
  {
    do_truncate_float_t()
    {
      ++live_objects;
    }

    do_truncate_float_t(const do_truncate_float_t&)
    {
      ++live_objects;
    }

    ~do_truncate_float_t()
    {
      --live_objects;
    }

    int operator()(float x) { return (int)x; }

    static int live_objects;
  };

  int do_truncate_float_t::live_objects = 0;

  struct do_truncate_double_t
  {
    do_truncate_double_t()
    {
     ++live_objects;
    }

    do_truncate_double_t(const do_truncate_double_t&)
    {
      ++live_objects;
    }

    ~do_truncate_double_t()
    {
      --live_objects;
    }

    long operator()(double x) { return (long)x; }

    static int live_objects;
  };

  int do_truncate_double_t::live_objects = 0;

  struct X
  {
    int bar;

    int foo()                   { return 1; }
    int foo_c() const           { return 2; }
    int foo_v()  volatile       { return 3; }
    int foo_cv() const volatile { return 4; }
  };

  // For use in 8_c_compatibility.
  template<typename R, typename T>
    typename __gnu_cxx::__enable_if<std::__are_same<R, T>::__value,
				    bool>::__type
    check_ret_type(T)
    { return true; }

#ifdef __GXX_EXPERIMENTAL_CXX0X__
  namespace construct_destruct
  {
    struct Empty {};

    struct B { int i; B(){} };
    struct D : B {};

    enum E { ee1 };
    enum E2 { ee2 };
    enum class SE { e1 };
    enum class SE2 { e2 };

    enum OpE : int;
    enum class OpSE : bool;

    union U { int i; Empty b; };

    struct Abstract
    {
      virtual ~Abstract() = 0;
    };

    struct AbstractDelDtor
    {
      ~AbstractDelDtor() = delete;
      virtual void foo() = 0;
    };

    struct Ukn;

    template<class To>
      struct ImplicitTo
      {
	operator To();
      };

    template<class To>
      struct DelImplicitTo
      {
	operator To() = delete;
      };

    template<class To>
      struct ExplicitTo
      {
	explicit operator To();
      };

    struct Ellipsis
    {
      Ellipsis(...){}
    };

    struct DelEllipsis
    {
      DelEllipsis(...) = delete;
    };

    struct Any
    {
      template<class T>
      Any(T&&){}
    };

    struct nAny
    {
      template<class... T>
      nAny(T&&...){}
    };

    struct DelnAny
    {
      template<class... T>
        DelnAny(T&&...) = delete;
    };

    template<class... Args>
      struct FromArgs
      {
	FromArgs(Args...);
      };

    struct DelDef
    {
      DelDef() = delete;
    };

    struct DelCopy
    {
      DelCopy(const DelCopy&) = delete;
    };

    struct DelDtor
    {
      DelDtor() = default;
      DelDtor(const DelDtor&) = default;
      DelDtor(DelDtor&&) = default;
      DelDtor(int);
      DelDtor(int, B, U);
      ~DelDtor() = delete;
    };

    struct Nontrivial
    {
      Nontrivial();
      Nontrivial(const Nontrivial&);
      Nontrivial& operator=(const Nontrivial&);
      ~Nontrivial();
    };

    union NontrivialUnion
    {
      int i;
      Nontrivial n;
    };

    struct UnusualCopy
    {
      UnusualCopy(UnusualCopy&);
    };
  }
#endif

} // namespace __gnu_test

#endif // _GLIBCXX_TESTSUITE_TR1_H