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

   1 //
   2 // EncoderTest.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //
   7 // (C) 2006 Novell, Inc.
   8 //
   9 using NUnit.Framework;
  10 using System;
  11 using System.Text;
  12
  13 namespace MonoTests.System.Text
  14 {
  15         [TestFixture]
  16         public class EncoderTest
  17         {
  18 #if NET_2_0
  19                 [Test]
  20                 [ExpectedException (typeof (ArgumentNullException))]
  21                 public void ConvertNullChars ()
  22                 {
  23                         int bytesUsed, charsUsed;
  24                         bool done;
  25                         Encoding.UTF8.GetEncoder ().Convert (
  26                                 null, 0, 100, new byte [100], 0, 100, false,
  27                                 out bytesUsed, out charsUsed, out done);
  28                 }
  29
  30                 [Test]
  31                 [ExpectedException (typeof (ArgumentNullException))]
  32                 public void ConvertNullBytes ()
  33                 {
  34                         int bytesUsed, charsUsed;
  35                         bool done;
  36                         Encoding.UTF8.GetEncoder ().Convert (
  37                                 new char [100], 0, 100, null, 0, 100, false,
  38                                 out bytesUsed, out charsUsed, out done);
  39                 }
  40
  41                 [Test]
  42                 public void ConvertLimitedDestination ()
  43                 {
  44                         byte [] bytes = new byte [10000];
  45                         char [] chars = new char [10000];
  46
  47                         Encoder conv = Encoding.UTF8.GetEncoder ();
  48                         int bytesUsed, charsUsed;
  49                         bool done;
  50
  51                         conv.Convert (chars, 0, 10000, bytes, 0, 1000, true,
  52                                       out bytesUsed, out charsUsed, out done);
  53
  54                         Assert.IsFalse (done, "#1");
  55                         Assert.AreEqual (625, bytesUsed, "#2");
  56                         Assert.AreEqual (625, charsUsed, "#3");
  57                 }
  58
  59                 [Test]
  60                 public void CustomEncodingGetEncoder ()
  61                 {
  62                         var encoding = new CustomEncoding ();
  63                         var encoder = encoding.GetEncoder ();
  64                         Assert.IsNotNull (encoder);
  65                 }
  66
  67                 [Test]
  68                 public void ConvertZeroCharacters ()
  69                 {
  70                         int charsUsed, bytesUsed;
  71                         bool completed;
  72                         byte [] bytes = new byte [0];
  73
  74                         Encoding.UTF8.GetEncoder ().Convert (
  75                                 new char[0], 0, 0, bytes, 0, bytes.Length, true,
  76                                 out charsUsed, out bytesUsed, out completed);
  77
  78                         Assert.IsTrue (completed, "#1");
  79                         Assert.AreEqual (0, charsUsed, "#2");
  80                         Assert.AreEqual (0, bytesUsed, "#3");
  81                 }
  82
  83                 class CustomEncoding : Encoding {
  84
  85                         public override int GetByteCount (char [] chars, int index, int count)
  86                         {
  87                                 throw new NotSupportedException ();
  88                         }
  89
  90                         public override int GetBytes (char [] chars, int charIndex, int charCount, byte [] bytes, int byteIndex)
  91                         {
  92                                 throw new NotSupportedException ();
  93                         }
  94
  95                         public override int GetCharCount (byte [] bytes, int index, int count)
  96                         {
  97                                 throw new NotSupportedException ();
  98                         }
  99
 100                         public override int GetChars (byte [] bytes, int byteIndex, int byteCount, char [] chars, int charIndex)
 101                         {
 102                                 throw new NotSupportedException ();
 103                         }
 104
 105                         public override int GetMaxByteCount (int charCount)
 106                         {
 107                                 throw new NotSupportedException ();
 108                         }
 109
 110                         public override int GetMaxCharCount (int byteCount)
 111                         {
 112                                 throw new NotSupportedException ();
 113                         }
 114                 }
 115 #endif
 116         }
 117 }