static void Main(string[] args)
{
int x = Convert.ToInt32(args[0]);
int y = Convert.ToInt32(args[1]);
Console.WriteLine(SubtractClass.Subtract(x, y));
}
public void SubtractTest()
{
// Prepare test case
double[] aArray = new double[] { 2.0, 3.0 };
double[] bArray = new double[] { 1.0, 2.0 };
double[] subtructExpectedArray = new double[] { 1.0, 1.0 };
for (int i = 0; i < 2; i++)
{
double a = aArray[i];
double b = bArray[i];
double subtructExpected = subtructExpectedArray[i];
Assert.AreEqual(SubtractClass.Subtract(a, b), subtructExpected);
}
}
public void PositiveInputNegativeResult()
{
Assert.Equal(SubtractClass.Subtract(1, 2), -1);
}
public void PositiveSubtractionOverLimitOneNumberNearLimit()
{
Assert.Throws <OverflowException>(() => SubtractClass.Subtract(2147483647, -20));
}
public void PositiveSubtractionOverLimitTwoNumbersNearLimit()
{
Assert.Throws <OverflowException>(() => SubtractClass.Subtract(-2147483647, 2147483647));
}
public void NegativeInputPositiveResult()
{
Assert.Equal(SubtractClass.Subtract(-10, -30), 20);
}
public void NegativeInputNegativeResult()
{
Assert.Equal(SubtractClass.Subtract(-18, -11), -7);
}
public void PositiveInputPositveResult()
{
Assert.Equal(SubtractClass.Subtract(10, 3), 7);
}
