public void When_divising_by_zero2_divide_throws_cannot_divide_by_zero_exception()
{
// arrange
var math = new Mathematics();
Assert.Throws <DivideByZeroException>(() => math.Divide2(25, 0));
}
public void When_divising_by_zero_divide_throws_cannot_divide_by_zero_exception()
{
// arrange
var math = new Mathematics();
// act
var result = math.Divide(25, 0);
Assert.True(double.IsInfinity(result));
}
public void Method_divide_returns_division_of_given_values()
{
// arrange
var math = new Mathematics();
// act
var result = math.Divide(25, 5);
// assert
Assert.Equal(5, result);
}
public void Method_multiply_returns_multiplication_of_given_values()
{
// arrange
var math = new Mathematics();
// act
var result = math.Multiply(10, 20);
// assert
Assert.Equal(200, result);
}
public void Method_substract_returns_difference_of_given_values()
{
// arrange
var math = new Mathematics();
// act
var result = math.Substract(10, 20);
// assert
Assert.Equal(-10, result);
}
public void Add_method_should_return_sum_of_given_arguments(double x, double y, double expected)
{
// arrange
var math = new Mathematics();
// act
var result = math.Add(x, y);
// assert
Assert.Equal(expected, result);
}