public void TestDrawingCommand()
{
const string SHAPE_DRAWER_MEMBER_VARIABLE_NAME_DRAWING_STARTING_POINT = "_drawingStartingPoint";
const string SHAPE_DRAWER_MEMBER_VARIABLE_NAME_DRAWING_ENDING_POINT = "_drawingEndingPoint";
Assert.ThrowsException <ArgumentNullException>(() => new DrawingCommand(null, new Point(), new Point(), ShapeDrawerType.Line));
var agent = new DrawingCommandAgentMock();
var drawingStartingPoint = new Point();
var drawingEndingPoint = new Point();
var drawingCommand = new DrawingCommand(agent, drawingStartingPoint, drawingEndingPoint, ShapeDrawerType.Line);
var target = new PrivateObject(drawingCommand);
Assert.AreSame(target.GetFieldOrProperty(MEMBER_VARIABLE_NAME_AGENT), agent);
ShapeDrawer expectedShapeDrawer = ( ShapeDrawer )target.GetFieldOrProperty(MEMBER_VARIABLE_NAME_SHAPE_DRAWER);
var expectedShapeDrawerTarget = new PrivateObject(expectedShapeDrawer);
Assert.AreSame(expectedShapeDrawerTarget.GetFieldOrProperty(SHAPE_DRAWER_MEMBER_VARIABLE_NAME_DRAWING_STARTING_POINT), drawingStartingPoint);
Assert.AreSame(expectedShapeDrawerTarget.GetFieldOrProperty(SHAPE_DRAWER_MEMBER_VARIABLE_NAME_DRAWING_ENDING_POINT), drawingEndingPoint);
Assert.IsInstanceOfType(expectedShapeDrawer, typeof(LineDrawer));
}
public void Initialize()
{
_agent = new DrawingCommandAgentMock();
_drawingCommand = new DrawingCommand(_agent, new Point(), new Point(), ShapeDrawerType.Line);
_target = new PrivateObject(_drawingCommand);
}
