public void TestFibonacciBigIntegerEqualsFibonacciInt()
{
for (int n = 0; n < 10; n++)
{
// arrange
int fibonacci0 = BigIntegerMathLib.Fibonacci0(n);
BigInteger fibonacci1 = BigIntegerMathLib.Fibonacci1(n);
// assert
Assert.AreEqual((BigInteger)fibonacci0, fibonacci1);
}
}
public void DebugFibonacci()
{
for (int n = 0; n < 10; n++)
{
BigInteger result0 = BigIntegerMathLib.Fibonacci0(n);
BigInteger result1 = BigIntegerMathLib.Fibonacci1(n);
BigInteger result2 = BigIntegerMathLib.Fibonacci2(n);
string message = string.Format("{0}, {1}, {2}, {3}", n, result0, result1, result2);
Debug.WriteLine(message);
}
}
public void TestFactorialOfOneIsOne()
{
// act
BigInteger result1 = BigIntegerMathLib.Factorial1(1);
BigInteger result2 = BigIntegerMathLib.Factorial2(1);
// assert
BigInteger one = 1;
Assert.AreEqual(one, result1);
Assert.AreEqual(one, result2);
}
public void TestBothVersionsOfFactorialAreEqual()
{
for (BigInteger n = 0; n < 100; n++)
{
// act
BigInteger factorial1 = BigIntegerMathLib.Factorial1(n);
BigInteger factorial2 = BigIntegerMathLib.Factorial2(n);
// assert
Assert.AreEqual(factorial1, factorial2);
}
}
public void TestFibonacciOfOneIsOne()
{
// act
BigInteger result1 = BigIntegerMathLib.Fibonacci1(1);
BigInteger result2 = BigIntegerMathLib.Fibonacci2(1);
// assert
BigInteger one = 1;
Assert.AreEqual(one, result1);
Assert.AreEqual(one, result2);
}
public void TestFibonacciOfZeroIsZero()
{
// act
BigInteger result1 = BigIntegerMathLib.Fibonacci1(0);
BigInteger result2 = BigIntegerMathLib.Fibonacci2(0);
// assert
BigInteger zero = 0;
Assert.AreEqual(zero, result1);
Assert.AreEqual(zero, result2);
}
public void TestBothVersionsOfFibonacciAreEqual()
{
for (BigInteger n = 0; n < 10; n++)
{
// arrange
BigInteger fibonacci1 = BigIntegerMathLib.Fibonacci1(n);
BigInteger fibonacci2 = BigIntegerMathLib.Fibonacci2(n);
// assert
Assert.AreEqual(fibonacci1, fibonacci2);
}
}
public void TestFactorialBigIntegerEqualsFactorialInt()
{
for (int n = 0; n < 10; n++)
{
// act
int factorial0 = BigIntegerMathLib.Factorial0(n);
BigInteger factorial1 = BigIntegerMathLib.Factorial1(n);
// assert
Assert.AreEqual((BigInteger)factorial0, factorial1);
Assert.AreEqual(factorial0, (int)factorial1);
}
}
static void Main()
{
BigInteger factorial1000 = BigIntegerMathLib.Factorial2(1000);
BigInteger fibonacci1000 = BigIntegerMathLib.Fibonacci2(1000);
string message1 = string.Format("\nFactorial(1000) = \n{0}", factorial1000);
Console.WriteLine(message1);
string message2 = string.Format("\nFibonacci(1000) = \n{0}", fibonacci1000);
Console.WriteLine(message2);
const string file = "FactorialAndFibonacci.txt";
string contents = string.Format("{0}{1}", message1, message2);
File.WriteAllText(file, contents);
Console.ReadKey();
}
public void TestFactorial2OfNegativeNumberThrowsArgumentException()
{
// assert
Assert.That(() => BigIntegerMathLib.Factorial2(-1), Throws.TypeOf <ArgumentException>());
}
public void TestFibonacci11OfNegativeNumberThrowsArgumentException()
{
// assert
Assert.That(() => BigIntegerMathLib.Fibonacci1(-1), Throws.TypeOf <ArgumentException>());
}
