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

   1 // Tests for System.Drawing.PointF.cs
   2 //
   3 // Author:
   4 //      Ravindra (rkumar@novell.com)
   5 //
   6
   7 //
   8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Drawing;
  32 using System.Globalization;
  33 using System.Security.Permissions;
  34 using System.Threading;
  35
  36 using NUnit.Framework;
  37
  38 namespace MonoTests.System.Drawing
  39 {
  40         [TestFixture]
  41         [SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
  42         public class PointFTest
  43         {
  44                 PointF pt11_99;
  45                 PointF pt11_0;
  46                 PointF pt0_11;
  47
  48                 [TearDown]
  49                 public void TearDown () {}
  50
  51                 [SetUp]
  52                 public void SetUp ()
  53                 {
  54                         pt11_99 = new PointF (1.1F, 9.9F);
  55                         pt11_0 = new PointF (1.1F, 0F);
  56                         pt0_11 = new PointF (0F, 1.1F);
  57                 }
  58
  59                 [Test]
  60                 public void TestConstructors ()
  61                 {
  62                         PointF pt = new PointF (1.5F, 5.8F);
  63                         Assert.AreEqual (1.5F, pt.X, "C#1");
  64                         Assert.AreEqual (5.8F, pt.Y, "C#2");
  65                 }
  66
  67                 [Test]
  68                 public void TestEmptyField ()
  69                 {
  70                         PointF pt = new PointF (0.0F, 0.0F);
  71                         Assert.AreEqual (pt, PointF.Empty, "#EMP1");
  72                 }
  73
  74                 [Test]
  75                 public void TestProperties ()
  76                 {
  77                         PointF pt = new PointF (0.0F, 0.0F);
  78
  79                         Assert.IsTrue (pt.IsEmpty, "P#1");
  80                         Assert.IsTrue (!pt11_99.IsEmpty, "P#2");
  81                         Assert.AreEqual (1.1F, pt11_0.X, "P#3");
  82                         Assert.AreEqual (1.1F, pt0_11.Y, "P#4");
  83                 }
  84
  85                 [Test]
  86                 public void TestEquals ()
  87                 {
  88                         Assert.AreEqual (pt11_99, pt11_99, "EQ#1");
  89                         Assert.AreEqual (pt11_99, new PointF (1.1F, 9.9F), "EQ#2");
  90                         Assert.IsFalse (pt11_99.Equals (pt11_0), "EQ#3");
  91                         Assert.IsFalse (pt11_99.Equals (pt0_11), "EQ#4");
  92                         Assert.IsFalse (pt11_0.Equals (pt0_11), "EQ#5");
  93                 }
  94
  95
  96                 [Test]
  97                 public void TestAddition ()
  98                 {
  99                         Assert.AreEqual (pt11_0, pt11_0 + new Size (0, 0), "ADD#1");
 100                         Assert.AreEqual (pt0_11, pt0_11 + new Size (0, 0), "ADD#2");
 101                         Assert.AreEqual (new PointF (2, 5.1F), pt0_11 + new Size (2, 4), "ADD#3");
 102                 }
 103
 104                 [Test]
 105                 public void TestEqualityOp ()
 106                 {
 107 #pragma warning disable 1718 // Comparison made to same variable
 108                         Assert.IsTrue (pt11_99 == pt11_99, "EOP#1");
 109 #pragma warning restore 1718
 110                         Assert.IsTrue (pt11_99 == new PointF (1.1F, 9.9F), "EOP#2");
 111                         Assert.IsFalse (pt11_99 == pt11_0, "EOP#3");
 112                         Assert.IsFalse (pt11_99 == pt0_11, "EOP#4");
 113                         Assert.IsFalse (pt11_0 == pt0_11, "EOP#5");
 114                 }
 115
 116                 [Test]
 117                 public void TestInequalityOp ()
 118                 {
 119 #pragma warning disable 1718 // Comparison made to same variable
 120                         Assert.IsFalse (pt11_99 != pt11_99, "IOP#1");
 121 #pragma warning restore 1718
 122                         Assert.IsFalse (pt11_99 != new PointF (1.1F, 9.9F), "IOP#2");
 123                         Assert.IsTrue (pt11_99 != pt11_0, "IOP#3");
 124                         Assert.IsTrue (pt11_99 != pt0_11, "IOP#4");
 125                         Assert.IsTrue (pt11_0 != pt0_11, "IOP#5");
 126                 }
 127
 128                 [Test]
 129                 public void TestSubtraction ()
 130                 {
 131                         Assert.AreEqual (pt11_0, pt11_0 - new Size (0, 0), "SUB#1");
 132                         Assert.AreEqual (pt0_11, pt0_11 - new Size (0, 0), "SUB#2");
 133                         PointF expected = new PointF (0.1F, 1.9F);
 134                         PointF actual = pt11_99 - new Size (1, 8);
 135                         //need to permit a small delta on floating point
 136                         Assert.AreEqual (expected.X, actual.X, 1e-5, "SUB#3");
 137                         Assert.AreEqual (expected.Y, actual.Y, 1e-5, "SUB#4");
 138                 }
 139
 140                 [Test]
 141                 public void GetHashCodeTest ()
 142                 {
 143                         PointF pt = new PointF (1.1F, 9.9F);
 144                         Assert.AreEqual (pt.GetHashCode (), pt11_99.GetHashCode (), "GHC#1");
 145                 }
 146
 147                 [Test]
 148                 public void ToStringTest ()
 149                 {
 150                         // save current culture
 151                         CultureInfo currentCulture = Thread.CurrentThread.CurrentCulture;
 152
 153                         try {
 154                                 PerformToStringTest (new CultureInfo ("en-US"));
 155                                 PerformToStringTest (new CultureInfo ("nl-BE"));
 156                         } finally {
 157                                 // restore original culture
 158                                 Thread.CurrentThread.CurrentCulture = currentCulture;
 159                         }
 160                 }
 161
 162                 private void PerformToStringTest(CultureInfo culture)
 163                 {
 164                         // set current culture
 165                         Thread.CurrentThread.CurrentCulture = culture;
 166
 167                         // perform tests
 168                         Assert.AreEqual (GetExpectedToString (culture, pt0_11), pt0_11.ToString (),
 169                                 "TS#1-" + culture.Name);
 170                         Assert.AreEqual (GetExpectedToString (culture, pt11_0), pt11_0.ToString (),
 171                                 "TS#2-" + culture.Name);
 172                         Assert.AreEqual (GetExpectedToString (culture, pt11_99), pt11_99.ToString (),
 173                                 "TS#3-" + culture.Name);
 174                         PointF pt = new PointF (float.NaN, float.NegativeInfinity);
 175                         Assert.AreEqual (GetExpectedToString (culture, pt), pt.ToString (),
 176                                 "TS#4-" + culture.Name);
 177                 }
 178
 179                 private static string GetExpectedToString (CultureInfo culture, PointF point)
 180                 {
 181                         return string.Format ("{{X={0}, Y={1}}}", point.X.ToString (culture),
 182                                 point.Y.ToString (culture));
 183                 }
 184
 185
 186                 [Test]
 187                 public void AddTest ()
 188                 {
 189                         Assert.AreEqual (new PointF (3, 4), PointF.Add (new PointF (1, 1), new Size (2, 3)), "ADDTEST#1");
 190                         Assert.AreEqual (new PointF (4, 5), PointF.Add (new PointF (2, 2), new SizeF (2, 3)), "ADDTEST#2");
 191                 }
 192
 193                 [Test]
 194                 public void SubtractTest ()
 195                 {
 196                         Assert.AreEqual (new PointF (2, 1), PointF.Subtract (new PointF (4, 4), new Size (2, 3)), "SUBTEST#1");
 197                         Assert.AreEqual (new PointF (3, 3), PointF.Subtract (new PointF (5, 6), new SizeF (2, 3)), "SUBTEST#2");
 198                 }
 199
 200
 201         }
 202 }
 203