public void CanShiftPosition(float x1, float y1, float x2, float y2, float x3, float y3)
{
var pos = new Position2d(x1, y1);
pos.Shift(x2, y2);
DolphAssert.EqualF(x3, pos.X);
DolphAssert.EqualF(y3, pos.Y);
}
public void TestHashCode()
{
var pos1 = new Position2d(1, 2);
var pos2 = new Position2d(1, 2);
Assert.Equal(pos1.GetHashCode(), pos2.GetHashCode());
pos2.Shift(1, 1);
Assert.NotEqual(pos1.GetHashCode(), pos2.GetHashCode());
}