public static void MultiplesOf3And5TestsTest()
{
var expected = 233168;
var actual = MultiplesOf3And5.Evaluate();
Assert.AreEqual(expected, actual);
}
public void Sum_Of_Multiples_TestMethod(int exclusiveUpper, int expectedSum)
{
// value from function
var actual = new MultiplesOf3And5();
int sum = actual.Sum_Of_Multiples(exclusiveUpper);
Assert.AreEqual(sum, expectedSum, "The Sum function returned a different value");
}
public void Problem1Solution_1000_233168()
{
//Act
int result = MultiplesOf3And5.Calculate(1000);
//Assert
Assert.Equal(233168, result);
}
public void FindNaturalNumbersBelow_Given10_ShouldReturnArrayOf1Thru9()
{
var m = new MultiplesOf3And5();
var expected = new int[9] {1, 2, 3, 4, 5, 6, 7, 8, 9};
var actual = m.FindNaturalNumbersBelow(10);
CollectionAssert.AreEqual(expected, actual);
}
public void Filter_GivenIntArray_ShouldReturnArrayOfIntsMeetingGivenCondition()
{
var m = new MultiplesOf3And5();
var intArray = new int[9] {1, 2, 3, 4, 5, 6, 7, 8, 9};
var expected = new int[4] {1, 2, 3, 4};
var actual = m.Filter(intArray, x => x < 5);
CollectionAssert.AreEqual(expected, actual);
}
public void Filter_GivenIntArray_ReturnMultiplesOf3Or5()
{
var m = new MultiplesOf3And5();
var intArray = new int[9] {1, 2, 3, 4, 5, 6, 7, 8, 9};
var expected = new int[4] {3, 5, 6, 9};
var actual = m.Filter(intArray, x => x % 3 == 0 || x % 5 == 0);
CollectionAssert.AreEqual(expected, actual);
}
public void Sum_GivenTwoNumbersInArray_ShouldReturnCorrectSum()
{
var a = 5;
var b = 10;
var numbers = new int[2] {a, b};
var m = new MultiplesOf3And5();
var sum = m.Sum(numbers);
Assert.AreEqual(a + b, sum);
}
public void GivenAnExclusiveUpperNumber_ReturnsCorrectSum(int exclusiveUpper, int expectedSum)
{
// arrange
var multiplesOf3And5 = new MultiplesOf3And5();
// act
var sum = multiplesOf3And5.Sum(exclusiveUpper);
// assert
Assert.Equal(expectedSum, sum);
}
public void Calculate_Limit10_23()
{
//Arrange
int limit = 10;
//Act
int result = MultiplesOf3And5.Calculate(limit);
//Assert
Assert.Equal(23, result);
}
public void GetAllMultiplesBelowEdge(int edge, int expected)
{
//Arrange
MultiplesOf3And5 multiplesOf3And5 = new MultiplesOf3And5();
//Act
int actual = multiplesOf3And5.GetSumBelow(edge);
//Assert
Assert.Equal(expected, actual);
}
public void TestMethod2()
{
//Arrange
int n = 1000;
int expected = 233168;
//Act
var res = MultiplesOf3And5.Solve(n);
//Assert
Assert.AreEqual(expected, res);
}
public void MultiplesofThreeAndFive()
{
Assert.AreEqual(23, MultiplesOf3And5.MultiplesOfThreeAndFive(10));
}
static void Main(string[] args)
{
StringBuilder description = new StringBuilder("Project Euler");
description.AppendLine("Project Euler provides a large collection of challenges in the domain of computer science and mathematics.");
description.AppendLine("The challenges typically involve writing a small program to figure out the solution");
description.AppendLine("to a clever mathematical formula or equation, such as finding the sum of digits");
description.AppendLine("of all numbers preceding each number in a series.\n");
description.AppendLine("Bellow is a list of the problems to pick from to get a solution for\n");
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(description);
int id = -1;
foreach (var value in Enum.GetValues(typeof(EulerProblems)))
{
Console.ForegroundColor = ConsoleColor.Blue;
Console.Write((int)value + ": " + value + "\n");
id = (int)value;
}
Console.ForegroundColor = ConsoleColor.White;
Console.Write("\nType in a number to get Problems answers.\n");
var input = Console.ReadKey();
Console.WriteLine();
// stops wrong inputs
int number = 0;
while (!Int32.TryParse(input.KeyChar.ToString(), out number) || (number > id || number == 0))
{
Console.Write("\nPick a number from the list of problems.\n");
input = Console.ReadKey();
}
// Get a enum value to check agaisnt list
if (Enum.IsDefined(typeof(EulerProblems), number))
{
var problem = (EulerProblems)number;
Console.Clear();
switch (problem)
{
case EulerProblems.MultiplesOf3And5:
MultiplesOf3And5.SolveMultiples();
break;
case EulerProblems.EvenFibonacciNumbers:
EvenFibonacciNumbers.SolveEvenFibonacci();
break;
case EulerProblems.LargestPrimeFactor:
LargestPrimeFactor.ComputeLargestPrime();
break;
case EulerProblems.LargestPalindromeProduct:
LargestPalindromeProduct.GetLargestPalindrome();
break;
}
}
// pause at the end
Console.Read();
}