//  This file (IBBMathTest.cs) is a part of the IBBoard.Tests project and is copyright 2009 IBBoard
// 
//  The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license.
// 

using System;
using NUnit.Framework;

namespace IBBoard.Lang
{
	[TestFixture()]	
	public class IBBMathTest
	{		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingBelowLowMidpoint()
		{
			Assert.AreEqual(3, IBBMath.RoundToHalf(3.2));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingJustBelowLowMidpoint()
		{
			Assert.AreEqual(3, IBBMath.RoundToHalf(3.24));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingOnLowMidpoint()
		{
			Assert.AreEqual(3, IBBMath.RoundToHalf(3.25));
		}

		[Test()]
		public void TestRoundHalfPerformsBankersRoundingJustAboveLowMidpoint()
		{
			Assert.AreEqual(3.5, IBBMath.RoundToHalf(3.26));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingAboveLowMidpoint()
		{
			Assert.AreEqual(3.5, IBBMath.RoundToHalf(3.3));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingBelowHighMidpoint()
		{
			Assert.AreEqual(3.5, IBBMath.RoundToHalf(3.7));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingJustBelowHighMidpoint()
		{
			Assert.AreEqual(3.5, IBBMath.RoundToHalf(3.74));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingOnHighMidpoint()
		{
			Assert.AreEqual(4, IBBMath.RoundToHalf(3.75));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingJustAboveHighMidpoint()
		{
			Assert.AreEqual(4, IBBMath.RoundToHalf(3.76));
		}
		
		[Test()]
		public void TestRoundHalfPerformsBankersRoundingAboveHighMidpoint()
		{
			Assert.AreEqual(4, IBBMath.RoundToHalf(3.8));
		}
		
		[Test()]
		public void TestRoundHalfDoesntRoundHalf()
		{
			Assert.AreEqual(3.5, IBBMath.RoundToHalf(3.5));
		}
		
		[Test()]
		public void TestRoundHalfDoesntRoundEvenNumber()
		{
			Assert.AreEqual(4, IBBMath.RoundToHalf(4));
		}
		
		[Test()]
		public void TestRoundHalfDoesntRoundOddNumber()
		{
			Assert.AreEqual(3, IBBMath.RoundToHalf(3));
		}
	}
}