1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
23 // Chris Toshok (toshok@ximian.com)
28 using System.Windows.Media;
29 using NUnit.Framework;
31 namespace MonoTests.System.Windows {
34 public class VectorTest
36 const double DELTA = 0.000000001d;
39 public void Accessors ()
41 Vector v = new Vector (4, 5);
42 Assert.AreEqual (4, v.X);
43 Assert.AreEqual (5, v.Y);
49 Vector v = new Vector (4, 5);
50 Assert.IsTrue (v.Equals (new Vector (4, 5)));
51 Assert.IsFalse (v.Equals (new Vector (5, 4)));
52 Assert.IsFalse (v.Equals (new object()));
56 public void ToStringTest ()
58 Vector v = new Vector (4, 5);
59 Assert.AreEqual ("4,5", v.ToString());
63 [Category ("NotWorking")]
66 Vector v = Vector.Parse ("4,5");
67 Assert.AreEqual (new Vector (4, 5), v);
69 v = Vector.Parse ("-4,-5");
70 Assert.AreEqual (new Vector (-4, -5), v);
72 v = Vector.Parse ("-4.4,-5.5");
73 Assert.AreEqual (new Vector (-4.4, -5.5), v);
79 Point p = Vector.Add (new Vector (2, 3), new Point (4, 5));
80 Assert.AreEqual (new Point (6, 8), p);
82 Vector v = Vector.Add (new Vector (2, 3), new Vector (4, 5));
83 Assert.AreEqual (new Vector (6, 8), v);
89 Vector v = new Vector (1, 0);
90 Assert.AreEqual (1, v.LengthSquared);
91 Assert.AreEqual (1, v.Length);
93 v = new Vector (5, 5);
94 Assert.AreEqual (50, v.LengthSquared);
95 Assert.AreEqual (Math.Sqrt(50), v.Length);
99 public void AngleBetween ()
101 double angle = Vector.AngleBetween (new Vector (1, 0), new Vector (0, 1));
102 Assert.AreEqual (90, angle);
104 angle = Vector.AngleBetween (new Vector (1, 0), new Vector (0.5, 0.5));
105 Assert.AreEqual (45, angle, DELTA);
109 public void CrossProduct ()
111 Assert.AreEqual (1, Vector.CrossProduct (new Vector (1, 0), new Vector (0, 1)));
112 Assert.AreEqual (50, Vector.CrossProduct (new Vector (20, 30), new Vector (45, 70)));
116 public void Determinant ()
118 Assert.AreEqual (1, Vector.Determinant (new Vector (1, 0), new Vector (0, 1)));
119 Assert.AreEqual (50, Vector.Determinant (new Vector (20, 30), new Vector (45, 70)));
123 public void Divide ()
125 Assert.AreEqual (new Vector (5, 7), Vector.Divide (new Vector (10, 14), 2));
129 public void Multiply_VV_M ()
131 Assert.AreEqual (60, Vector.Multiply (new Vector (5, 7), new Vector (5, 5)));
135 public void Multiply_VM_V ()
137 Matrix m = Matrix.Identity;
140 Console.WriteLine (Vector.Multiply (new Vector (3, 4), m));
144 public void Multiply_dV_V ()
146 Assert.AreEqual (new Vector (10, 18), Vector.Multiply (2, new Vector (5, 9)));
150 public void Multiply_Vd_V ()
152 Assert.AreEqual (new Vector (10, 18), Vector.Multiply (new Vector (5, 9), 2));
156 public void Negate ()
158 Vector v = new Vector (4, 5);
161 Assert.AreEqual (new Vector (-4, -5), v);
165 public void Normalize ()
167 Vector v = new Vector (5, 5);
170 Assert.AreEqual (v.X, v.Y);
171 Assert.AreEqual (1, v.Length, DELTA);
175 public void Subtract ()
177 Assert.AreEqual (new Vector (3, 4), Vector.Subtract (new Vector (5, 7), new Vector (2, 3)));