public void Test_GetStringWithCommonChars1_IsEmpty()
{
Q3 objInterview = new Q3();
char[] ch1 = "".ToCharArray();
char[] ch2 = "".ToCharArray();
string expected = "";
string actual = objInterview.GetStringWithCommonChars1(ch1, ch2);
Assert.AreEqual(actual, expected);
}
public void Test_GetStringWithCommonChars1_IsNull()
{
Q3 objInterview = new Q3();
char[] ch1 = null;
char[] ch2 = null;
string expected = "";
string actual = objInterview.GetStringWithCommonChars1(ch1, ch2);
Assert.AreEqual(actual, expected);
}