mcs/class/corlib/Test/System.Collections/CaseInsensitiveHashCodeProviderTest.cs

   1 //
   2 // CaseInsensitiveHashCodeProviderTest
   3 //
   4 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   5 //
   6
   7 using System;
   8 using System.Collections;
   9 using System.Globalization;
  10 using System.IO;
  11 using System.Runtime.Serialization;
  12 using System.Runtime.Serialization.Formatters.Binary;
  13
  14 using NUnit.Framework;
  15
  16 namespace MonoTests.System.Collections {
  17
  18         [TestFixture]
  19         public class CaseInsensitiveHashCodeProviderTest {
  20
  21                 [Test]
  22                 public void DefaultInstance ()
  23                 {
  24                         // Make sure the instance returned by Default
  25                         // is really a CaseInsensitiveHashCodeProvider.
  26                         Assert.IsTrue ((CaseInsensitiveHashCodeProvider.Default
  27                                 as CaseInsensitiveHashCodeProvider) != null);
  28                 }
  29
  30                 [Test]
  31                 public void HashCode ()
  32                 {
  33                         CaseInsensitiveHashCodeProvider cih = new CaseInsensitiveHashCodeProvider ();
  34                         int h1 = cih.GetHashCode ("Test String");
  35                         int h2 = cih.GetHashCode ("test string");
  36                         int h3 = cih.GetHashCode ("TEST STRING");
  37
  38                         Assert.IsTrue (h1 == h2, "Mixed Case != lower case");
  39                         Assert.IsTrue (h1 == h3, "Mixed Case != UPPER CASE");
  40
  41                         h1 = cih.GetHashCode ("one");
  42                         h2 = cih.GetHashCode ("another");
  43                         // Actually this is quite possible.
  44                         Assert.IsFalse (h1 == h2);
  45                 }
  46
  47                 [Test]
  48                 public void DefaultCtor ()
  49                 {
  50                         CaseInsensitiveHashCodeProvider cihcp = new CaseInsensitiveHashCodeProvider ();
  51                         BinaryFormatter bf = new BinaryFormatter ();
  52                         MemoryStream ms = new MemoryStream ();
  53                         bf.Serialize (ms, cihcp);
  54                         byte[] def = ms.ToArray ();
  55
  56                         cihcp = new CaseInsensitiveHashCodeProvider (CultureInfo.CurrentCulture);
  57                         ms = new MemoryStream ();
  58                         bf.Serialize (ms, cihcp);
  59                         byte[] current = ms.ToArray ();
  60
  61                         Assert.AreEqual (def, current, "default=current");
  62                 }
  63
  64                 private static byte[] serialized_en_us = new byte[] {
  65 #if NET_2_0
  66                         0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x01,
  67                         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x32, 0x53, 0x79, 0x73,
  68                         0x74, 0x65, 0x6D, 0x2E, 0x43, 0x6F, 0x6C, 0x6C, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x73, 0x2E,
  69                         0x43, 0x61, 0x73, 0x65, 0x49, 0x6E, 0x73, 0x65, 0x6E, 0x73, 0x69, 0x74, 0x69, 0x76, 0x65, 0x48,
  70                         0x61, 0x73, 0x68, 0x43, 0x6F, 0x64, 0x65, 0x50, 0x72, 0x6F, 0x76, 0x69, 0x64, 0x65, 0x72, 0x01,
  71                         0x00, 0x00, 0x00, 0x06, 0x6D, 0x5F, 0x74, 0x65, 0x78, 0x74, 0x03, 0x1D, 0x53, 0x79, 0x73, 0x74,
  72                         0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69, 0x6F, 0x6E,
  73                         0x2E, 0x54, 0x65, 0x78, 0x74, 0x49, 0x6E, 0x66, 0x6F, 0x09, 0x02, 0x00, 0x00, 0x00, 0x04, 0x02,
  74                         0x00, 0x00, 0x00, 0x1D, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F, 0x62, 0x61,
  75                         0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x2E, 0x54, 0x65, 0x78, 0x74, 0x49, 0x6E, 0x66,
  76                         0x6F, 0x06, 0x00, 0x00, 0x00, 0x0F, 0x6D, 0x5F, 0x6C, 0x69, 0x73, 0x74, 0x53, 0x65, 0x70, 0x61,
  77                         0x72, 0x61, 0x74, 0x6F, 0x72, 0x0C, 0x6D, 0x5F, 0x69, 0x73, 0x52, 0x65, 0x61, 0x64, 0x4F, 0x6E,
  78                         0x6C, 0x79, 0x11, 0x63, 0x75, 0x73, 0x74, 0x6F, 0x6D, 0x43, 0x75, 0x6C, 0x74, 0x75, 0x72, 0x65,
  79                         0x4E, 0x61, 0x6D, 0x65, 0x0B, 0x6D, 0x5F, 0x6E, 0x44, 0x61, 0x74, 0x61, 0x49, 0x74, 0x65, 0x6D,
  80                         0x11, 0x6D, 0x5F, 0x75, 0x73, 0x65, 0x55, 0x73, 0x65, 0x72, 0x4F, 0x76, 0x65, 0x72, 0x72, 0x69,
  81                         0x64, 0x65, 0x0D, 0x6D, 0x5F, 0x77, 0x69, 0x6E, 0x33, 0x32, 0x4C, 0x61, 0x6E, 0x67, 0x49, 0x44,
  82                         0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x08, 0x01, 0x08, 0x0A, 0x00, 0x0A, 0x29, 0x00, 0x00,
  83                         0x00, 0x01, 0x09, 0x04, 0x00, 0x00, 0x0B
  84 #else
  85                         0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  86                         0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x32, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x2E, 0x43, 0x6F,
  87                         0x6C, 0x6C, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x73, 0x2E, 0x43, 0x61, 0x73, 0x65, 0x49, 0x6E,
  88                         0x73, 0x65, 0x6E, 0x73, 0x69, 0x74, 0x69, 0x76, 0x65, 0x48, 0x61, 0x73, 0x68, 0x43, 0x6F, 0x64,
  89                         0x65, 0x50, 0x72, 0x6F, 0x76, 0x69, 0x64, 0x65, 0x72, 0x01, 0x00, 0x00, 0x00, 0x06, 0x6D, 0x5F,
  90                         0x74, 0x65, 0x78, 0x74, 0x03, 0x1D, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F,
  91                         0x62, 0x61, 0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x2E, 0x54, 0x65, 0x78, 0x74, 0x49,
  92                         0x6E, 0x66, 0x6F, 0x09, 0x02, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00, 0x1D, 0x53, 0x79,
  93                         0x73, 0x74, 0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69,
  94                         0x6F, 0x6E, 0x2E, 0x54, 0x65, 0x78, 0x74, 0x49, 0x6E, 0x66, 0x6F, 0x03, 0x00, 0x00, 0x00, 0x0B,
  95                         0x6D, 0x5F, 0x6E, 0x44, 0x61, 0x74, 0x61, 0x49, 0x74, 0x65, 0x6D, 0x11, 0x6D, 0x5F, 0x75, 0x73,
  96                         0x65, 0x55, 0x73, 0x65, 0x72, 0x4F, 0x76, 0x65, 0x72, 0x72, 0x69, 0x64, 0x65, 0x0D, 0x6D, 0x5F,
  97                         0x77, 0x69, 0x6E, 0x33, 0x32, 0x4C, 0x61, 0x6E, 0x67, 0x49, 0x44, 0x00, 0x00, 0x00, 0x08, 0x01,
  98                         0x08, 0x29, 0x00, 0x00, 0x00, 0x01, 0x09, 0x04, 0x00, 0x00, 0x0B
  99 #endif
 100                 };
 101
 102                 private static byte[] serialized_fr_ca = new byte[] {
 103 #if NET_2_0
 104                         0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x01,
 105                         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x32, 0x53, 0x79, 0x73,
 106                         0x74, 0x65, 0x6D, 0x2E, 0x43, 0x6F, 0x6C, 0x6C, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x73, 0x2E,
 107                         0x43, 0x61, 0x73, 0x65, 0x49, 0x6E, 0x73, 0x65, 0x6E, 0x73, 0x69, 0x74, 0x69, 0x76, 0x65, 0x48,
 108                         0x61, 0x73, 0x68, 0x43, 0x6F, 0x64, 0x65, 0x50, 0x72, 0x6F, 0x76, 0x69, 0x64, 0x65, 0x72, 0x01,
 109                         0x00, 0x00, 0x00, 0x06, 0x6D, 0x5F, 0x74, 0x65, 0x78, 0x74, 0x03, 0x1D, 0x53, 0x79, 0x73, 0x74,
 110                         0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69, 0x6F, 0x6E,
 111                         0x2E, 0x54, 0x65, 0x78, 0x74, 0x49, 0x6E, 0x66, 0x6F, 0x09, 0x02, 0x00, 0x00, 0x00, 0x04, 0x02,
 112                         0x00, 0x00, 0x00, 0x1D, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F, 0x62, 0x61,
 113                         0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x2E, 0x54, 0x65, 0x78, 0x74, 0x49, 0x6E, 0x66,
 114                         0x6F, 0x06, 0x00, 0x00, 0x00, 0x0F, 0x6D, 0x5F, 0x6C, 0x69, 0x73, 0x74, 0x53, 0x65, 0x70, 0x61,
 115                         0x72, 0x61, 0x74, 0x6F, 0x72, 0x0C, 0x6D, 0x5F, 0x69, 0x73, 0x52, 0x65, 0x61, 0x64, 0x4F, 0x6E,
 116                         0x6C, 0x79, 0x11, 0x63, 0x75, 0x73, 0x74, 0x6F, 0x6D, 0x43, 0x75, 0x6C, 0x74, 0x75, 0x72, 0x65,
 117                         0x4E, 0x61, 0x6D, 0x65, 0x0B, 0x6D, 0x5F, 0x6E, 0x44, 0x61, 0x74, 0x61, 0x49, 0x74, 0x65, 0x6D,
 118                         0x11, 0x6D, 0x5F, 0x75, 0x73, 0x65, 0x55, 0x73, 0x65, 0x72, 0x4F, 0x76, 0x65, 0x72, 0x72, 0x69,
 119                         0x64, 0x65, 0x0D, 0x6D, 0x5F, 0x77, 0x69, 0x6E, 0x33, 0x32, 0x4C, 0x61, 0x6E, 0x67, 0x49, 0x44,
 120                         0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x08, 0x01, 0x08, 0x0A, 0x00, 0x0A, 0x50, 0x00, 0x00,
 121                         0x00, 0x01, 0x0C, 0x0C, 0x00, 0x00, 0x0B
 122 #else
 123                         0x00, 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 124                         0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x32, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x2E, 0x43, 0x6F,
 125                         0x6C, 0x6C, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x73, 0x2E, 0x43, 0x61, 0x73, 0x65, 0x49, 0x6E,
 126                         0x73, 0x65, 0x6E, 0x73, 0x69, 0x74, 0x69, 0x76, 0x65, 0x48, 0x61, 0x73, 0x68, 0x43, 0x6F, 0x64,
 127                         0x65, 0x50, 0x72, 0x6F, 0x76, 0x69, 0x64, 0x65, 0x72, 0x01, 0x00, 0x00, 0x00, 0x06, 0x6D, 0x5F,
 128                         0x74, 0x65, 0x78, 0x74, 0x03, 0x1D, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F,
 129                         0x62, 0x61, 0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x2E, 0x54, 0x65, 0x78, 0x74, 0x49,
 130                         0x6E, 0x66, 0x6F, 0x09, 0x02, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00, 0x1D, 0x53, 0x79,
 131                         0x73, 0x74, 0x65, 0x6D, 0x2E, 0x47, 0x6C, 0x6F, 0x62, 0x61, 0x6C, 0x69, 0x7A, 0x61, 0x74, 0x69,
 132                         0x6F, 0x6E, 0x2E, 0x54, 0x65, 0x78, 0x74, 0x49, 0x6E, 0x66, 0x6F, 0x03, 0x00, 0x00, 0x00, 0x0B,
 133                         0x6D, 0x5F, 0x6E, 0x44, 0x61, 0x74, 0x61, 0x49, 0x74, 0x65, 0x6D, 0x11, 0x6D, 0x5F, 0x75, 0x73,
 134                         0x65, 0x55, 0x73, 0x65, 0x72, 0x4F, 0x76, 0x65, 0x72, 0x72, 0x69, 0x64, 0x65, 0x0D, 0x6D, 0x5F,
 135                         0x77, 0x69, 0x6E, 0x33, 0x32, 0x4C, 0x61, 0x6E, 0x67, 0x49, 0x44, 0x00, 0x00, 0x00, 0x08, 0x01,
 136                         0x08, 0x50, 0x00, 0x00, 0x00, 0x01, 0x0C, 0x0C, 0x00, 0x00, 0x0B
 137 #endif
 138                 };
 139
 140                 [Test]
 141                 public void SerializationRoundtrip ()
 142                 {
 143                         CaseInsensitiveHashCodeProvider enus = new CaseInsensitiveHashCodeProvider (new CultureInfo ("en-US"));
 144                         BinaryFormatter bf = new BinaryFormatter ();
 145                         MemoryStream ms = new MemoryStream ();
 146                         bf.Serialize (ms, enus);
 147
 148                         ms.Position = 0;
 149                         CaseInsensitiveHashCodeProvider clone = (CaseInsensitiveHashCodeProvider) bf.Deserialize (ms);
 150                         Assert.AreEqual (enus.GetHashCode (String.Empty), clone.GetHashCode (String.Empty), "GetHashCode(string)");
 151                         Assert.AreEqual (enus.GetHashCode (Int32.MinValue), clone.GetHashCode (Int32.MinValue), "GetHashCode(int)");
 152                 }
 153
 154                 [Test]
 155                 public void Deserialize ()
 156                 {
 157 #if TARGET_JVM
 158                         BinaryFormatter bf = (BinaryFormatter)vmw.@internal.remoting.BinaryFormatterUtils.CreateBinaryFormatter (false);
 159 #else
 160                         BinaryFormatter bf = new BinaryFormatter ();
 161 #endif // TARGET_JVM
 162
 163                         MemoryStream ms = new MemoryStream (serialized_en_us);
 164                         CaseInsensitiveHashCodeProvider enus = (CaseInsensitiveHashCodeProvider) bf.Deserialize (ms);
 165                         Assert.IsNotNull (enus, "en-US");
 166
 167                         ms = new MemoryStream (serialized_fr_ca);
 168                         CaseInsensitiveHashCodeProvider frca = (CaseInsensitiveHashCodeProvider) bf.Deserialize (ms);
 169                         Assert.IsNotNull (frca, "fr-CA");
 170                 }
 171         }
 172 }