public void Expect_GetArea_ToReturn_ResultOfCalculateArea()
{
const double expected = 1;
var sut = new ShapeStub(expected);
var actual = sut.GetArea();
Assert.Equal(expected, actual);
}
public void When_CalculateAreaReturnsNanOrInfinity_Expect_GetArea_ToThrow_InvalidOperationException(double calculateAreaResult)
{
var sut = new ShapeStub(calculateAreaResult);
void Code()
{
var _ = sut.GetArea();
}
Assert.Throws <InvalidOperationException>(Code);
}
