using System;

using System.Text;

using NUnit.Framework;

namespace IntXLib.Test

{

[TestFixture]

public class ParseFastTest

{

const int StartLength = 1024;

const int LengthIncrement = 101;

const int RepeatCount = 50;

const int RandomStartLength = 1024;

const int RandomEndLength = 4000;

const int RandomRepeatCount = 50;

int _length = StartLength;

public string GetAllNineChars(int length)

{

return new string('9', length);

}

public string GetRandomChars()

{

Random random = new Random();

int length = random.Next(RandomStartLength, RandomEndLength);

StringBuilder builder = new StringBuilder(length);

builder.Append((char)random.Next('1', '9'));

--length;

while (length-- != 0) {

builder.Append((char)random.Next('0', '9'));

}

return builder.ToString();

}

[Test]

public void CompareWithClassic()

{

TestHelper.Repeat(

RepeatCount,

delegate

{

string str = GetAllNineChars(_length);

IntX classic = IntX.Parse(str, ParseMode.Classic);

IntX fast = IntX.Parse(str, ParseMode.Fast);

Assert.IsTrue(classic == fast);

_length += LengthIncrement;

});

}

[Test]

public void CompareWithClassicRandom()

{

TestHelper.Repeat(

RandomRepeatCount,

delegate

{

string str = GetRandomChars();

IntX classic = IntX.Parse(str, ParseMode.Classic);

IntX fast = IntX.Parse(str, ParseMode.Fast);

Assert.IsTrue(classic == fast);

});

}

}

}