public void Calc3_Start4End20Incr5()
 {
     Assert.AreEqual("4 9 14 19 ", Ex3aLoops.Calc3("4", "20", "5"));
 }
 public void Calc3_Start3End0Incr3()
 {
     Assert.AreEqual("", Ex3aLoops.Calc3("3", "0", "3"));
 }
 public void Calc3_InvalidEnd()
 {
     Assert.AreEqual("Invalid input", Ex3aLoops.Calc3("3", "", "3"));
 }
 public void Calc3_IncrementLE0()
 {
     Assert.AreEqual("Invalid input", Ex3aLoops.Calc3("3", "10", "0"));
 }
 public void Calc3_InvalidStart()
 {
     Assert.AreEqual("Invalid input", Ex3aLoops.Calc3("", "10", "3"));
 }