mpir/mpir.net/mpir.net-tests/HugeRationalTests/Assignment.cs

92 lines
3.3 KiB
C#

/*
Copyright 2014 Alex Dyachenko
This file is part of the MPIR Library.
The MPIR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
The MPIR 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPIR Library. If not, see http://www.gnu.org/licenses/.
*/
using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace MPIR.Tests.HugeRationalTests
{
[TestClass]
public class Assignment
{
[TestMethod]
public void RationalAssignCopy()
{
using (var a = new HugeRational("-222509832503450298345029835740293845720/115756986668303657898962467957"))
using (var b = new HugeRational())
{
b.Value = a;
Assert.AreEqual("-222509832503450298345029835740293845720/115756986668303657898962467957", b.ToString());
}
}
[TestMethod]
public void RationalSwap()
{
using (var a = new HugeRational("-222509832503450298345029835740293845720/115756986668303657898962467957"))
using (var b = new HugeRational("2039847290878794872059384789347534534/590872612825179551336102196593"))
{
var aValue = a._value();
var bValue = b._value();
a.Swap(b);
Assert.AreEqual(bValue, a._value());
Assert.AreEqual(aValue, b._value());
}
}
[TestMethod]
public void RationalCompoundOperators()
{
using (var a = new HugeRational("938475092834705928347523452345/115756986668303657898962467957"))
{
a.Value += 1;
a.Value *= 10;
Assert.AreEqual("10542320795030095862464859203020/115756986668303657898962467957", a.ToString());
}
}
[TestMethod]
public void RationalAssignInt()
{
using (var a = new HugeInt("222509832503450298345029835740293845720"))
using (var b = new HugeRational("1/3"))
{
b.SetTo(a);
Assert.AreEqual("222509832503450298345029835740293845720/1", b.ToString());
}
}
[TestMethod]
public void RationalAssignInt2()
{
using (var a = new HugeInt("222509832503450298345029835740293845719"))
using (var d = new HugeInt("115756986668303657898962467957"))
using (var b = new HugeRational("1/3"))
{
b.SetTo(a, d);
Assert.AreEqual("222509832503450298345029835740293845719/115756986668303657898962467957", b.ToString());
b.SetTo(b.Numerator - b.Denominator, b.Denominator * 5);
Assert.AreEqual(a - d, b.Numerator);
Assert.AreEqual(d * 5, b.Denominator);
}
}
//more tests coming here
}
}