public void ShouldCalculateCorectAreaFor(int lenght, int width, int expectedArea)
{
var shape = new OldAndStupidRectangle(lenght, width);
var actualArea = ShapeAreaManager.CalculateArea(shape);
Assert.AreEqual(expectedArea, actualArea);
}
public void ShouldHaveInvalidPostconditionsFor(int lenght, int width)
{
Assert.Throws <InvalidOperationException>(() =>
{
var shape = new OldAndStupidRectangle(lenght, width);
ShapeAreaManager.CalculateArea(shape);
}, "Something is wrong!");
}
public void ShouldHaveInvalidPreconditionsFor(int lenght, int width)
{
Assert.Throws <Exception>(() =>
{
var shape = new OldAndStupidRectangle(lenght, width);
ShapeAreaManager.CalculateArea(shape);
});
}
public static double CalculateArea(OldAndStupidRectangle shape)
{
return(shape.Area());
}