public void PickedPrimeNumbersAreAsExpected()
{
var sut = new PrimeNumberGenerator();
var primeNumbers = sut.Generate(15).ToList();
Assert.AreEqual(47, primeNumbers[14]);
var otherPrimeNumbers = sut.Generate(155).ToList();
Assert.AreEqual(907, otherPrimeNumbers[154]);
}
public void PrimeNumbersAreReturnedInSameSequence()
{
var sut = new PrimeNumberGenerator();
var primeNumbers = sut.Generate(1155).ToList();
var otherPrimeNumbers = sut.Generate(1515).ToList();
for (var i = 0; i < primeNumbers.Count; i++)
{
Assert.AreEqual(primeNumbers[i], otherPrimeNumbers[i]);
}
}
public static void Main(string[] args)
{
var inputValidation = new InputValidation();
if (inputValidation.ValidateInputParameters(args))
{
IPrimeNumberGenerator primeNumGenerator = new PrimeNumberGenerator();
var primeNumbers = primeNumGenerator.Generate(inputValidation.StartValue, inputValidation.EndValue);
if (primeNumbers == null || !primeNumbers.Any())
{
Console.WriteLine($"No prime numbers exist in specified range [{inputValidation.StartValue}, {inputValidation.EndValue}]");
return;
}
Console.WriteLine($"Prime numbers in specified range [{inputValidation.StartValue}, {inputValidation.EndValue}] (in ascending order):");
foreach (var prime in primeNumbers)
{
Console.Write($"{prime} ");
}
Console.WriteLine();
}
}
public void CanGenerateFirstPrimeNumbers()
{
var sut = new PrimeNumberGenerator();
var primeNumbers = sut.Generate(5).ToList();
var expectedPrimeNumbers = new[] { 2, 3, 5, 7, 11 };
Assert.AreEqual(expectedPrimeNumbers.Length, primeNumbers.Count);
for (var i = 0; i < primeNumbers.Count; i++)
{
Assert.AreEqual(expectedPrimeNumbers[i], primeNumbers[i]);
}
}
public void ShouldGenerateFirst10PrimeNumbers()
{
var expected = new int[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 };
var target = new PrimeNumberGenerator();
var actual = target.Generate().Take(10).ToArray();
Assert.Equal(expected.Length, actual.Length);
for (int i = 0; i < expected.Length; i++)
{
Assert.Equal(expected[i], actual[i]);
}
}
public void ShouldGenerateFirst10PrimeNumbers()
{
var expected = new int[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 };
var target = new PrimeNumberGenerator();
var actual = target.Generate().Take(10).ToArray();
Assert.Equal(expected.Length, actual.Length);
for (int i = 0; i < expected.Length; i++)
{
Assert.Equal(expected[i], actual[i]);
}
}