mcs/class/System.Drawing/Test/System.Drawing/TestRectangleF.cs

   1 // Tests for System.Drawing.RectangleF.cs
   2
   3 // Copyright (C) 2005, 2006 Novell, Inc (http://www.novell.com)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24 // Author: Jordi Mas i Hernandez <jordi@ximian.com>
  25 //
  26
  27 using NUnit.Framework;
  28 using System;
  29 using System.Drawing;
  30 using System.Security.Permissions;
  31
  32 namespace MonoTests.System.Drawing
  33 {
  34
  35         [TestFixture]
  36         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  37         public class TestRectangleF {
  38
  39                 RectangleF rect_0;
  40                 RectangleF rect_1;
  41                 RectangleF rect_2;
  42                 RectangleF rect_3;
  43                 RectangleF rect_4;
  44                 RectangleF rect_5;
  45                 RectangleF rect_6;
  46
  47                 [SetUp]
  48                 public void GetReady ()
  49                 {
  50                         rect_0 = new RectangleF (new PointF (10, 10), new SizeF (40, 40));
  51                         rect_1 = new RectangleF (5, 5, 5, 5);
  52                         rect_2 = RectangleF.Empty;
  53                         rect_3 = new RectangleF (25, 25, 0, 0);
  54                         rect_4 = new RectangleF (25, 252, 10, 20);
  55                         rect_5 = new RectangleF (40, 40, 50, 50);
  56                         rect_6 = new RectangleF (40, 40, 0, 50);
  57                 }
  58
  59                 [Test]
  60                 public void Contains ()
  61                 {
  62                         Assert.IsFalse (rect_0.Contains (5, 5), "a");
  63                         Assert.IsTrue (rect_0.Contains (12, 12), "b");
  64                         Assert.IsTrue (rect_0.Contains (10, 10), "c");
  65                         Assert.IsFalse (rect_0.Contains (10, 50), "d");
  66                         Assert.IsFalse (rect_0.Contains (10, 50F - float.Epsilon), "e");
  67                         Assert.IsTrue (rect_0.Contains (10, 49.9F), "f");
  68                         Assert.IsFalse (rect_0.Contains (50, 10), "g");
  69                 }
  70
  71                 [Test]
  72                 public void Empty ()
  73                 {
  74                         Assert.AreEqual (rect_2.X, 0, "X");
  75                         Assert.AreEqual (rect_2.Y, 0, "Y");
  76                         Assert.AreEqual (rect_2.Width, 0, "Width");
  77                         Assert.AreEqual (rect_2.Height, 0, "Height");
  78                 }
  79
  80                 [Test]
  81                 public void IsEmpty ()
  82                 {
  83                         Assert.IsFalse (rect_0.IsEmpty, "0");
  84                         Assert.IsTrue (rect_2.IsEmpty, "2");
  85                         Assert.IsTrue (rect_3.IsEmpty, "3");
  86                         Assert.IsTrue (rect_6.IsEmpty, "6");
  87                         Assert.IsTrue (new RectangleF (0, 0, -1, -1).IsEmpty, "negative w/h");
  88                 }
  89
  90                 [Test]
  91                 public void GetContents ()
  92                 {
  93                         Assert.AreEqual (rect_4.Right, rect_4.X + rect_4.Width, "Right");
  94                         Assert.AreEqual (rect_4.Left, rect_4.X, "Left");
  95                         Assert.AreEqual (rect_4.Bottom, rect_4.Y + rect_4.Height, "Bottom");
  96                         Assert.AreEqual (rect_4.Top, rect_4.Y, "Top");
  97                 }
  98
  99                 [Test]
 100                 public void IntersectsWith ()
 101                 {
 102                         Assert.IsFalse (rect_0.IntersectsWith (rect_1), "0 N 1");
 103                         Assert.IsFalse (rect_0.IntersectsWith (rect_2), "0 N 2");
 104                         Assert.IsTrue (rect_0.IntersectsWith (rect_5), "0 N 5");
 105                         Assert.IsTrue (rect_5.IntersectsWith (rect_0), "5 N 0");
 106                         Assert.IsFalse (rect_0.IntersectsWith (rect_4), "0 N 4");
 107                 }
 108
 109                 [Test]
 110                 public void Location ()
 111                 {
 112                         Assert.AreEqual (new PointF (25, 252), rect_4.Location, "Location");
 113                         PointF p = new PointF (11, 121);
 114                         rect_4.Location = p;
 115                         Assert.AreEqual (p, rect_4.Location, "Localtion-2");
 116                         Assert.AreEqual (rect_4.X, 11, "X");
 117                         Assert.AreEqual (rect_4.Y, 121, "Y");
 118                         rect_4.X = 10;
 119                         rect_4.Y = 15;
 120                         Assert.AreEqual (new PointF (10, 15), rect_4.Location, "Localtion-3");
 121                 }
 122
 123                 [Test]
 124                 public void Size ()
 125                 {
 126                         Assert.AreEqual (rect_4.Width, 10, "Width-1");
 127                         Assert.AreEqual (rect_4.Height, 20, "Height-1");
 128                         rect_4.Width = 40;
 129                         rect_4.Height = 100;
 130                         Assert.AreEqual (rect_4.Size, new SizeF (40, 100), "Size");
 131                         rect_4.Size = new SizeF (1, 2);
 132                         Assert.AreEqual (rect_4.Width, 1, "Width-2");
 133                         Assert.AreEqual (rect_4.Height, 2, "Height-2");
 134                 }
 135
 136                 [Test]
 137                 public void GetHashCodeTest ()
 138                 {
 139                         Assert.IsTrue (rect_0.GetHashCode () != rect_1.GetHashCode ());
 140                 }
 141
 142                 [Test]
 143                 public void Inflate ()
 144                 {
 145                         rect_0.Inflate (new SizeF (8, 5));
 146                         Assert.AreEqual (new RectangleF (2, 5, 56, 50), rect_0, "INF#1");
 147                         rect_1.Inflate (4, 4);
 148                         Assert.AreEqual (new RectangleF (1, 1, 13, 13), rect_1, "INF#2");
 149                         Assert.AreEqual (new RectangleF (30, 20, 70, 90),
 150                                 RectangleF.Inflate (rect_5, 10, 20), "INF#3");
 151                         Assert.AreEqual (new RectangleF (40, 40, 50, 50), rect_5, "INF#4");
 152                 }
 153
 154                 [Test]
 155                 public void Intersect ()
 156                 {
 157                         Assert.AreEqual (new RectangleF (40, 40, 10, 10),
 158                                 RectangleF.Intersect (rect_0, rect_5), "INT#1");
 159                         Assert.AreEqual (new RectangleF (10, 10, 40, 40), rect_0, "INT#2");
 160                         rect_0.Intersect (rect_5);
 161                         Assert.AreEqual (new RectangleF (40, 40, 10, 10), rect_0, "INT#3");
 162                         Assert.AreEqual (RectangleF.Empty, RectangleF.Intersect (rect_1, rect_5), "INT#4");
 163                 }
 164
 165                 [Test]
 166                 public void Offset ()
 167                 {
 168                         rect_0.Offset (5, 5);
 169                         Assert.AreEqual (new RectangleF (15, 15, 40, 40), rect_0, "OFS#1");
 170                         rect_1.Offset (new Point (7, 0));
 171                         Assert.AreEqual (new RectangleF (12, 5, 5, 5), rect_1, "OFS#2");
 172                 }
 173
 174                 [Test]
 175                 public void ToStringTest ()
 176                 {
 177                         Assert.AreEqual ("{X=10,Y=10,Width=40,Height=40}", rect_0.ToString (), "0");
 178                         Assert.AreEqual ("{X=5,Y=5,Width=5,Height=5}", rect_1.ToString (), "1");
 179                         Assert.AreEqual ("{X=0,Y=0,Width=0,Height=0}", rect_2.ToString (), "2");
 180                         Assert.AreEqual ("{X=25,Y=25,Width=0,Height=0}", rect_3.ToString (), "3");
 181                 }
 182
 183                 [Test]
 184                 public void RectangleToRectangleF ()
 185                 {
 186                         Rectangle r = new Rectangle (1, 2, 3, 4);
 187                         RectangleF rf = r;
 188                         Assert.AreEqual (new RectangleF (1F, 2F, 3F, 4F), rf);
 189                 }
 190
 191                 [Test]
 192                 public void Union ()
 193                 {
 194                         Assert.AreEqual (RectangleF.FromLTRB (5, 5, 50, 50), RectangleF.Union (rect_0, rect_1));
 195                 }
 196
 197                 [Test]
 198                 public void Operator_Equal ()
 199                 {
 200                         RectangleF r0 = new RectangleF (1, 2, 3, 4);
 201                         RectangleF r1 = r0;
 202                         Assert.IsTrue (r0 == r1, "self");
 203                         Assert.IsFalse (r0 == new RectangleF (0, 2, 3, 4), "X");
 204                         Assert.IsFalse (r0 == new RectangleF (1, 0, 3, 4), "Y");
 205                         Assert.IsFalse (r0 == new RectangleF (1, 2, 0, 4), "Width");
 206                         Assert.IsFalse (r0 == new RectangleF (1, 2, 3, 0), "Height");
 207                 }
 208
 209                 [Test]
 210                 public void Operator_NotEqual ()
 211                 {
 212                         RectangleF r0 = new RectangleF (1, 2, 3, 4);
 213                         RectangleF r1 = r0;
 214                         Assert.IsFalse (r0 != r1, "self");
 215                         Assert.IsTrue (r0 != new RectangleF (0, 2, 3, 4), "X");
 216                         Assert.IsTrue (r0 != new RectangleF (1, 0, 3, 4), "Y");
 217                         Assert.IsTrue (r0 != new RectangleF (1, 2, 0, 4), "Width");
 218                         Assert.IsTrue (r0 != new RectangleF (1, 2, 3, 0), "Height");
 219                 }
 220
 221                 [Test]
 222                 public void NegativeWidth ()
 223                 {
 224                         RectangleF r = new RectangleF (0, 0, -1, 10);
 225                         Assert.AreEqual (0, r.X, "X");
 226                         Assert.AreEqual (0, r.Y, "Y");
 227                         Assert.AreEqual (-1, r.Width, "Width");
 228                         Assert.AreEqual (10, r.Height, "Height");
 229                 }
 230
 231                 [Test]
 232                 public void NegativeHeight ()
 233                 {
 234                         RectangleF r = new RectangleF (10, 10, 10, -1);
 235                         Assert.AreEqual (10, r.X, "X");
 236                         Assert.AreEqual (10, r.Y, "Y");
 237                         Assert.AreEqual (10, r.Width, "Width");
 238                         Assert.AreEqual (-1, r.Height, "Height");
 239                 }
 240
 241                 [Test]
 242                 public void EdgeIntersection ()
 243                 {
 244                         // https://bugzilla.novell.com/show_bug.cgi?id=431587
 245                         RectangleF one = new RectangleF(10, 10, 10, 10);
 246                         RectangleF two = new RectangleF(20, 10, 10, 10);
 247
 248                         one.Intersect(two);
 249                         Assert.IsTrue (one.IsEmpty, "Empty");
 250                         Assert.AreEqual (20f, one.X, "X");
 251                         Assert.AreEqual (10f, one.Y, "Y");
 252                         Assert.AreEqual (0f, one.Width, "Width");
 253                         Assert.AreEqual (10f, one.Height, "Height");
 254                 }
 255         }
 256 }