public void FilterDigit_PostiveArray_ChangedArray()
{
int[] expectedArray = new[] { 7, 7, 70, 17 };
int[] actual = DigitExtenshion.FilterDigit(7, 7, 1, 2, 3, 4, 5, 6, 7, 68, 69, 70, 15, 17);
CollectionAssert.AreEquivalent(expectedArray, actual);
}
public void FilterDigit_ArrayWithWrongNumberOfElements_ThrowArgumentException()
{
int[] someArray = new[] { 5 };
DigitExtenshion.FilterDigit(7, someArray);
}
public void FilterDigit_ArrayWithNullReference_ThrowNullReferenceException()
{
int[] testArray = null;
DigitExtenshion.FilterDigit(7, testArray);
}
public int[] FilterDigit_PostiveArray_ChangedArray(int digit, params int[] testArray)
{
return(DigitExtenshion.FilterDigit(7, testArray));
}
public void ArrayWithWrongNumberOfElements_ThrowArgumentException()
{
int[] testArray = new[] { 5 };
Assert.Throws <ArgumentException>(() => DigitExtenshion.FilterDigit(24, testArray));
}
public void FilterDigit_ArrayWithNullReference_ThrowNullReferenceException()
{
int[] testArray = null;
Assert.Throws <NullReferenceException>(() => DigitExtenshion.FilterDigit(7, testArray));
}
