mcs/class/corlib/Test/System.Text/EncodingTest.cs

   1 //
   2 // EncodingTest.cs - Unit Tests for System.Text.Encoding
   3 //
   4 // Author:
   5 //      Gert Driesen (drieseng@users.sourceforge.net)
   6 //
   7 // Copyright (C) 2007 Gert Driesen
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Text;
  31
  32 using NUnit.Framework;
  33
  34 namespace MonoTests.System.Text
  35 {
  36         [TestFixture]
  37         public class EncodingTest
  38         {
  39                 [Test]
  40                 public void GetEncoding_CodePage_Default ()
  41                 {
  42                         Assert.AreEqual (Encoding.Default, Encoding.GetEncoding (0));
  43                 }
  44
  45                 [Test]
  46                 public void GetEncoding_CodePage_Invalid ()
  47                 {
  48                         try {
  49                                 Encoding.GetEncoding (-1);
  50                                 Assert.Fail ("#A1");
  51                         } catch (ArgumentOutOfRangeException ex) {
  52                                 Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#A2");
  53                                 Assert.IsNull (ex.InnerException, "#A3");
  54                                 Assert.IsNotNull (ex.Message, "#A4");
  55                                 Assert.IsNotNull (ex.ParamName, "#A5");
  56                                 Assert.AreEqual ("codepage", ex.ParamName, "#A6");
  57                         }
  58
  59                         try {
  60                                 Encoding.GetEncoding (65536);
  61                                 Assert.Fail ("#B1");
  62                         } catch (ArgumentOutOfRangeException ex) {
  63                                 Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#B2");
  64                                 Assert.IsNull (ex.InnerException, "#B3");
  65                                 Assert.IsNotNull (ex.Message, "#B4");
  66                                 Assert.IsNotNull (ex.ParamName, "#B5");
  67                                 Assert.AreEqual ("codepage", ex.ParamName, "#B6");
  68                         }
  69                 }
  70
  71                 [Test]
  72                 public void GetEncoding_Name_NotSupported ()
  73                 {
  74                         try {
  75                                 Encoding.GetEncoding ("doesnotexist");
  76                                 Assert.Fail ("#1");
  77                         } catch (ArgumentException ex) {
  78                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
  79                                 Assert.IsNull (ex.InnerException, "#3");
  80                                 Assert.IsNotNull (ex.Message, "#4");
  81                                 Assert.IsTrue (ex.Message.IndexOf ("doesnotexist") != -1, "#5");
  82                                 Assert.IsNotNull (ex.ParamName, "#6");
  83                                 Assert.AreEqual ("name", ex.ParamName, "#7");
  84                         }
  85                 }
  86
  87                 [Test]
  88                 [ExpectedException (typeof (ArgumentNullException))]
  89                 public void GetEncoding_Name_Null ()
  90                 {
  91                         Encoding.GetEncoding ((string) null);
  92                 }
  93         }
  94 }