public void Given_Rectangle_null_When_ComputeArea_Then_NullReferenceException()
{
Rectangle input = null;
RectangleOperation operation = new RectangleOperation();
operation.Target = input;
int actual = operation.ComputeArea();
}
public void Given_Rectangle_Width_0_Height_0_When_ComputeArea_Then_0()
{
int expected = 0;
Rectangle input = new Rectangle();
input.Width = 0;
input.Height = 0;
RectangleOperation operation = new RectangleOperation();
operation.Target = input;
int actual = operation.ComputeArea();
Assert.AreEqual(expected, actual);
}
private void ComputeButton_Click(object sender, EventArgs e)
{
int width = Convert.ToInt32(width_NumericUpDown.Value);
int height = Convert.ToInt32(height_NumericUpDown.Value);
RectangleLibrary.Rectangle rect = new RectangleLibrary.Rectangle()
{
Width = width, Height = height
};
RectangleOperation operation = new RectangleOperation();
operation.Target = rect;
int area = operation.ComputeArea();
resultLabel.Text = $"長方形的面積為 {area}";
}
private void button1_Click(object sender, EventArgs e)
{
int width = 0;
Int32.TryParse(numericUpDown1.Value.ToString(), out width);
var height = (int)numericUpDown2.Value;
RectangleLibrary.Rectangle rect = new RectangleLibrary.Rectangle()
{
Width = width, Height = height
};
RectangleOperation operation = new RectangleOperation();
operation.Target = rect;
int area = operation.ComputeArea();
label3.Text = area.ToString();
}
static void Main(string[] args)
{
int width = 0;
int height = 0;
Console.WriteLine("請輸入長方形的寬");
Int32.TryParse(Console.ReadLine(), out width);
Console.WriteLine("請輸入長方形的高");
Int32.TryParse(Console.ReadLine(), out height);
Rectangle rect = new Rectangle()
{
Width = width, Height = height
};
RectangleOperation operation = new RectangleOperation();
operation.Target = rect;
int area = operation.ComputeArea();
Console.WriteLine($"長方形的面積為{area}");
Console.ReadLine();
}