2 // CaseInsensitiveHashCodeProviderTest
4 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
8 using System.Collections;
9 using System.Globalization;
11 using System.Runtime.Serialization;
12 using System.Runtime.Serialization.Formatters.Binary;
14 using NUnit.Framework;
16 namespace MonoTests.System.Collections {
19 public class CaseInsensitiveHashCodeProviderTest {
22 public void DefaultInstance ()
24 // Make sure the instance returned by Default
25 // is really a CaseInsensitiveHashCodeProvider.
26 Assert.IsTrue ((CaseInsensitiveHashCodeProvider.Default
27 as CaseInsensitiveHashCodeProvider) != null);
31 public void HashCode ()
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");
38 Assert.IsTrue (h1 == h2, "Mixed Case != lower case");
39 Assert.IsTrue (h1 == h3, "Mixed Case != UPPER CASE");
41 h1 = cih.GetHashCode ("one");
42 h2 = cih.GetHashCode ("another");
43 // Actually this is quite possible.
44 Assert.IsFalse (h1 == h2);
48 public void DefaultCtor ()
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 ();
56 cihcp = new CaseInsensitiveHashCodeProvider (CultureInfo.CurrentCulture);
57 ms = new MemoryStream ();
58 bf.Serialize (ms, cihcp);
59 byte[] current = ms.ToArray ();
61 Assert.AreEqual (def, current, "default=current");
64 private static byte[] serialized_en_us = new byte[] {
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,
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102 private static byte[] serialized_fr_ca = new byte[] {
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,
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142 [Category("NotWorking")]
144 public void SerializationRoundtrip ()
146 CaseInsensitiveHashCodeProvider enus = new CaseInsensitiveHashCodeProvider (new CultureInfo ("en-US"));
147 BinaryFormatter bf = new BinaryFormatter ();
148 MemoryStream ms = new MemoryStream ();
149 bf.Serialize (ms, enus);
152 CaseInsensitiveHashCodeProvider clone = (CaseInsensitiveHashCodeProvider) bf.Deserialize (ms);
153 Assert.AreEqual (enus.GetHashCode (String.Empty), clone.GetHashCode (String.Empty), "GetHashCode(string)");
154 Assert.AreEqual (enus.GetHashCode (Int32.MinValue), clone.GetHashCode (Int32.MinValue), "GetHashCode(int)");
159 [Category ("NotWorking")]
161 public void Deserialize ()
163 BinaryFormatter bf = new BinaryFormatter ();
165 MemoryStream ms = new MemoryStream (serialized_en_us);
166 CaseInsensitiveHashCodeProvider enus = (CaseInsensitiveHashCodeProvider) bf.Deserialize (ms);
167 Assert.IsNotNull (enus, "en-US");
169 ms = new MemoryStream (serialized_fr_ca);
170 CaseInsensitiveHashCodeProvider frca = (CaseInsensitiveHashCodeProvider) bf.Deserialize (ms);
171 Assert.IsNotNull (frca, "fr-CA");