public void TestCheckNoDublicates()
{
//arrange
var numberArray = new[] { 1, 2, 2, 1, 1, 2, 5, 6, 7, 8, 9 };
var length = numberArray.Length;
var number = 3;
//act
var pairs = ProcessNumbers.FindPairs(numberArray, number).ToList();
//assert
Assert.AreEqual(1, pairs.Count());
}
public void TestCheckVerifyNumbersInDifferntPosition()
{
//arrange
var numberArray = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var length = numberArray.Length;
var number = 2;
//act
var pairs = ProcessNumbers.FindPairs(numberArray, number);
//assert
Assert.AreEqual(0, pairs.Count());
}
public void TestNotMatch()
{
//arrange
var numberArray = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var length = numberArray.Length;
var number = -1;
//act
var pairs = ProcessNumbers.FindPairs(numberArray, number).ToList();;
//assert
Assert.AreEqual(0, pairs.Count());
}
public void TestFindOnePair()
{
//arrange
var numberArray = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var length = numberArray.Length;
var number = 3;
//act
var pairs = ProcessNumbers.FindPairs(numberArray, number);
//assert
Assert.AreEqual(1, pairs.Count());
Assert.AreEqual(1, pairs.First().number1);
Assert.AreEqual(2, pairs.First().number2);
}
public void TestCheckBigArray()
{
//arrange
var numberArray = new int [20000];
for (int i = 0; i < numberArray.Length; i++)
{
numberArray[i] = i;
}
var length = numberArray.Length;
var number = 10;
//act
var pairs = ProcessNumbers.FindPairs(numberArray, number).ToList();;
//assert
Assert.AreEqual(5, pairs.Count());
}
