public void Area()
{
var expected = Math.PI;
var c = new Point2double(1, 1);
var r = 1;
var actual = new Circle2double(c, r).Area;
Assert.Equal(expected, actual);
}
public void OperatorEqualsTrue()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var l1 = new Line2double(p1, p2);
var l2 = new Line2double(p1, p2);
Assert.True(l1 == l2);
}
public void YInterceptLine()
{
var expected = 0.5;
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 5);
var actual = new Line2double(p1, p2).YIntercept();
Assert.Equal(expected, actual);
}
public void Length()
{
var expected = 3.605551;
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 5);
var actual = new Line2double(p1, p2).Length();
Assert.Equal(expected, actual, 6);
}
public void GetHashCodeTest()
{
var expected = 2145910784;
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var actual = new Line2double(p1, p2).GetHashCode();
Assert.Equal(expected, actual);
}
public void Line2doubleConstructorPointPoint()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var actual = new Line2double(p1, p2);
Assert.Equal(p1, actual.P1);
Assert.Equal(p2, actual.P2);
}
public void EqualsLine2doubleTrue()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var l1 = new Line2double(p1, p2);
var l2 = new Line2double(p1, p2);
Assert.True(l1.Equals(l2));
}
public void Slope()
{
var expected = 0.5;
var p1 = new Point2double(1, 2);
var p2 = new Point2double(0, 1.5);
var actual = new Line2double(p1, p2).Slope();
Assert.Equal(expected, actual);
}
public void Circle2doubleConstructor()
{
var c = new Point2double(1, 1);
var r = 1;
var actual = new Circle2double(c, r);
Assert.Equal(c, actual.C);
Assert.Equal(r, actual.R);
}
public void Circumfrence()
{
var expected = 2 * Math.PI;
var c = new Point2double(1, 1);
var r = 1;
var actual = new Circle2double(c, r).Circumfrence;
Assert.Equal(expected, actual);
}
public void ToStringTest()
{
var expected = "(1, 1) R = 1";
var c = new Point2double(1, 1);
var r = 1;
var actual = new Circle2double(c, r).ToString();
Assert.Equal(expected, actual);
}
public void ToStringTest()
{
var expected = "((1, 2), (3, 4))";
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var actual = new Line2double(p1, p2).ToString();
Assert.Equal(expected, actual);
}
public void OperatorNotEqualsFalse()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var l1 = new Line2double(p1, p2);
var l2 = new Line2double(p1, p2);
Assert.False(l1 != l2);
}
public void OperatorNotEqualsFalse()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var p3 = new Point2double(5, 6);
var t1 = new Triangle2double(p1, p2, p3);
var t2 = new Triangle2double(p1, p2, p3);
Assert.False(t1 != t2);
}
public void ToStringTest()
{
var expected = "(1, 1) A = 2, B = 1";
var c = new Point2double(1, 1);
var a = 2;
var b = 1;
var actual = new Ellipse2double(c, a, b).ToString();
Assert.Equal(expected, actual);
}
public void Perimeter()
{
var expected = 9.688448220506999;
var c = new Point2double(1, 1);
var a = 2;
var b = 1;
var actual = new Ellipse2double(c, a, b).Perimeter;
Assert.Equal(expected, actual);
}
public void PerimeterFast()
{
var expected = 9.688448216130086;
var c = new Point2double(1, 1);
var a = 2;
var b = 1;
var actual = new Ellipse2double(c, a, b).PerimeterFast;
Assert.Equal(expected, actual);
}
public void h()
{
var expected = 0.1111111111111111;
var c = new Point2double(1, 1);
var a = 2;
var b = 1;
var actual = new Ellipse2double(c, a, b).h;
Assert.Equal(expected, actual);
}
public void Eccentricity()
{
var expected = 0.8660254037844386;
var c = new Point2double(1, 1);
var a = 2;
var b = 1;
var actual = new Ellipse2double(c, a, b).Eccentricity;
Assert.Equal(expected, actual);
}
public void EqualsLine2doubleFalse()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var p3 = new Point2double(5, 5);
var l1 = new Line2double(p1, p2);
var l2 = new Line2double(p1, p3);
Assert.False(l1.Equals(l2));
}
public void GetHashCodeTest()
{
var expected = 2145648640;
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var p3 = new Point2double(5, 6);
var actual = new Triangle2double(p1, p2, p3).GetHashCode();
Assert.Equal(expected, actual);
}
public static Point2double ReflectPoint(this Line2double l, Point2double p)
{
var m = l.Slope();
var c = l.YIntercept();
var d = (p.X + (p.Y - c) * m) / (1 + m * m);
var x = 2 * d - p.X;
var y = 2 * d * m - p.Y + 2 * c;
return(new(x, y));
}
public static double Distance(Point2double p1, Point2double p2)
{
var dx = p2.X - p1.X;
var dy = p2.Y - p1.Y;
var dx2 = dx * dx;
var dy2 = dy * dy;
return(Math.Sqrt(dx2 + dy2));
}
public void ToStringTest()
{
var expected = "((1, 2), (3, 4), (5, 6))";
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var p3 = new Point2double(5, 6);
var actual = new Triangle2double(p1, p2, p3).ToString();
Assert.Equal(expected, actual);
}
public void Area()
{
var expected = Math.PI * 2;
var c = new Point2double(1, 1);
var a = 2;
var b = 1;
var actual = new Ellipse2double(c, a, b).Area;
Assert.Equal(expected, actual);
}
public void EqualsTriangle2doubleTrue()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(3, 4);
var p3 = new Point2double(5, 6);
var t1 = new Triangle2double(p1, p2, p3);
var t2 = new Triangle2double(p1, p2, p3);
Assert.True(t1.Equals(t2));
}
public void ReflectPoint()
{
var expected = new Point2double(0.2, 2.6);
var p1 = new Point2double(1, 2);
var p2 = new Point2double(0, 1.5);
var p3 = new Point2double(1, 1);
var actual = new Line2double(p1, p2).ReflectPoint(p3);
Assert.Equal(expected, actual);
}
public void Area()
{
var expected = 1.5;
var p1 = new Point2double(0, 0);
var p2 = new Point2double(1, 1);
var p3 = new Point2double(3, 0);
var actual = new Triangle2double(p1, p2, p3).Area();
Assert.Equal(expected, actual);
}
public void Line2doubleConstructorPointSlope()
{
var p1 = new Point2double(1, 2);
var p2 = new Point2double(0, 1.5);
var slope = 0.5;
var actual = new Line2double(p1, slope);
Assert.Equal(p1, actual.P1);
Assert.Equal(p2, actual.P2);
}
public Line2double(Point2double p1, double m)
: this()
{
P1 = p1;
P2 = new(0, p1.YIntercept(m));
if (P1 == P2)
{
throw new ArithmeticException("Point is Y intercept");
}
}