test/utilities/ratio/ratio.comparison/ratio_equal.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// test ratio_equal

#include <ratio>

int main()
{
    {
    typedef std::ratio<1, 1> R1;
    typedef std::ratio<1, 1> R2;
    static_assert((std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<0x7FFFFFFFFFFFFFFFLL, 1> R1;
    typedef std::ratio<0x7FFFFFFFFFFFFFFFLL, 1> R2;
    static_assert((std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<-0x7FFFFFFFFFFFFFFFLL, 1> R1;
    typedef std::ratio<-0x7FFFFFFFFFFFFFFFLL, 1> R2;
    static_assert((std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<1, 0x7FFFFFFFFFFFFFFFLL> R1;
    typedef std::ratio<1, 0x7FFFFFFFFFFFFFFFLL> R2;
    static_assert((std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<1, 1> R1;
    typedef std::ratio<1, -1> R2;
    static_assert((!std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<0x7FFFFFFFFFFFFFFFLL, 1> R1;
    typedef std::ratio<-0x7FFFFFFFFFFFFFFFLL, 1> R2;
    static_assert((!std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<-0x7FFFFFFFFFFFFFFFLL, 1> R1;
    typedef std::ratio<0x7FFFFFFFFFFFFFFFLL, 1> R2;
    static_assert((!std::ratio_equal<R1, R2>::value), "");
    }
    {
    typedef std::ratio<1, 0x7FFFFFFFFFFFFFFFLL> R1;
    typedef std::ratio<1, -0x7FFFFFFFFFFFFFFFLL> R2;
    static_assert((!std::ratio_equal<R1, R2>::value), "");
    }
}