Subversion Repositories openrisc

// { dg-options "-std=gnu++0x" }

// { dg-require-cstdint "" }

// Copyright (C) 2008, 2009 Free Software Foundation

//

// 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/>.

// 20.8.3 Class template duration [time.duration]

#include <chrono>

#include <type_traits>

#include <testsuite_hooks.h>

template<typename T>

struct type_emulator

{

  type_emulator()

  : i(T(0)) { }

  type_emulator(T j)

  : i(j) { }

  type_emulator(const type_emulator& e)

  : i(e.i) { }

  type_emulator&

  operator*=(type_emulator a)

  {

    i *= a.i;

    return *this;

  }

  type_emulator&

  operator+=(type_emulator a)

  {

    i += a.i;

    return *this;

  }

  operator T ()

  { return i; }

  T i;

};

template<typename T>

bool

operator==(type_emulator<T> a, type_emulator<T> b)

{ return a.i == b.i; }

template<typename T>

bool

operator<(type_emulator<T> a, type_emulator<T> b)

{ return a.i < b.i; }

template<typename T>

type_emulator<T>

operator+(type_emulator<T> a, type_emulator<T> b)

{ return a += b; }

template<typename T>

type_emulator<T>

operator*(type_emulator<T> a, type_emulator<T> b)

{ return a *= b; }

namespace std

{

  template<typename T, typename U>

  struct common_type<type_emulator<T>, U>

  { typedef typename common_type<T,U>::type type; };

  template<typename T, typename U>

  struct common_type<U, type_emulator<T>>

  { typedef typename common_type<U,T>::type type; };

  template<typename T, typename U>

  struct common_type<type_emulator<T>, type_emulator<U>>

  { typedef typename common_type<T,U>::type type; };

  namespace chrono

  {

    template<typename T>

    struct treat_as_floating_point<type_emulator<T>>

    : is_floating_point<T>

    { };

  }

}

typedef type_emulator<int> int_emulator;

typedef type_emulator<double> dbl_emulator;

// 20.8.3.1 duration constructors [time.duration.cons]

void

test01()

{

  bool test __attribute__((unused)) = true;

  using std::chrono::duration;

  int r = 3;

  duration<int> d1(r);

  VERIFY(d1.count() == static_cast<duration<int>::rep>(r));

  double s = 8.0;

  duration<double> d2(s);

  VERIFY(d2.count() == static_cast<duration<double>::rep>(s));

  int_emulator ie(3);

  duration<int_emulator> d3(ie);

  VERIFY(d3.count() == static_cast<duration<int_emulator>::rep>(ie));

  dbl_emulator de(4.0);

  duration<dbl_emulator> d4(de);

  VERIFY(d4.count() == static_cast<duration<dbl_emulator>::rep>(de));

}

int

main()

{

  test01();

  return 0;

}