public void FilterDigit_ThrowsArgumentNullException()
{
List <int> emptyList = new List <int>();
int digit = 2;
Assert.Throws <ArgumentNullException>(() => IntListOperations.FilterDigit(emptyList, digit));
}
public void FilterDigit_ThrowsArgumentOutOfRangeException(int digit)
{
List <int> testList = new List <int> {
1, 2, 3, 4, 5, 6, 7, 68, 69, 70, 15, 17, 28, 307
};
Assert.Throws <ArgumentOutOfRangeException>(() => IntListOperations.FilterDigit(testList, digit));
}
public void FilterDigit_NegativeResultTest()
{
List <int> testList = new List <int> {
1, 2, 3, 4, 5, 6, 7
};
List <int> expected = new List <int>();
int digit = 8;
List <int> actual = IntListOperations.FilterDigit(testList, digit);
Assert.AreEqual(actual, expected);
}
public void FilterDigit_PositiveResultTest()
{
List <int> testList = new List <int> {
1, 2, 3, 4, 5, 6, 7, 68, 69, 70, 15, 17, 28, 307
};
List <int> expected = new List <int> {
7, 70, 17, 307
};
int digit = 7;
List <int> actual = IntListOperations.FilterDigit(testList, digit);
Assert.AreEqual(actual, expected);
}
public void IsNumberContainsDigit_Tests(int listItem, int digit, bool expected)
{
Assert.AreEqual(expected, IntListOperations.IsNumberContainsDigit(listItem, digit));
}