public void PositiveTestConvertToInt()
{
string num = "1514";
string num2 = "-1514";
int result = IntConverter.ConvertStringToInt(num);
int result2 = IntConverter.ConvertStringToInt(num2);
Assert.Multiple(() =>
{
Assert.AreEqual(1514, result);
Assert.AreEqual(-1514, result2);
});
}
public void NegativeTestConvertToInt()
{
string numWithLetter = "a12d";
string emptyString = "";
string onlyArithmeticSymbols = "-";
Assert.Multiple(() =>
{
FormatException numWithLetterException = Assert.Throws <FormatException>(() => { IntConverter.ConvertStringToInt(numWithLetter); });
FormatException emptyStringException = Assert.Throws <FormatException>(() => { IntConverter.ConvertStringToInt(emptyString); });
FormatException onlyArithmeticSymbolsException = Assert.Throws <FormatException>(() => { IntConverter.ConvertStringToInt(onlyArithmeticSymbols); });
Assert.That(numWithLetterException.Message, Is.EqualTo("Exception: String must contain only numbers!"));
Assert.That(emptyStringException.Message, Is.EqualTo("Exception: String length cannot be 0!"));
Assert.That(onlyArithmeticSymbolsException.Message, Is.EqualTo("Exception: String cannot contain only one arithmetic sign!"));
});
}
