public void Test_Swap_ShouldChangeToSwapedArray(int[] actualArray, int[] expectedArray, int firstSwapIndex, int secondSwapIndex)
{
ListUtitlity.Swap <int>(actualArray, firstSwapIndex, secondSwapIndex);
bool isEqual = expectedArray.SequenceEqual <int>(actualArray);
Assert.True(isEqual);
}
public void Test_Swap_ShouldNotAlterWithEqualIndexes()
{
var firstArray = new int[] { 0, 4, 5 };
var copyArray = new int[firstArray.Length];
firstArray.CopyTo(copyArray, 0);
ListUtitlity.Swap <int>(firstArray, 0, 0);
bool isEqual = firstArray.SequenceEqual <int>(copyArray);
Assert.True(isEqual);
}
public void Test_Swap_ShouldThrowForOutOfRangeIndexes(int[] invalidArray, int possibleInvalidIndex, int antotherPossibleInvalidIndex)
{
Action runFunction = () => ListUtitlity.Swap <int>(invalidArray, possibleInvalidIndex, antotherPossibleInvalidIndex);
Assert.Throws <ArgumentOutOfRangeException>(runFunction);
}
public void Test_Swap_ShouldThrowExceptionForNullArray()
{
Action runFunction = () => ListUtitlity.Swap <int>(null, 0, 0);
Assert.Throws <ArgumentNullException>(runFunction);
}