mcs/class/corlib/Test/System.Security.Cryptography/RNGCryptoServiceProviderTest.cs

   1 //
   2 // TestSuite.System.Security.Cryptography.RNGCryptoServiceProviderTest.cs
   3 //
   4 // Authors:
   5 //      Mark Crichton (crichton@gimp.org)
   6 //      Sebastien Pouliot  (sebastien@ximian.com)
   7 //
   8 // Copyright (C) 2004 Novell (http://www.novell.com)
   9 //
  10
  11 using System;
  12 using System.Security.Cryptography;
  13
  14 using NUnit.Framework;
  15
  16 namespace MonoTests.System.Security.Cryptography {
  17
  18         [TestFixture]
  19         public class RNGCryptoServiceProviderTest {
  20
  21                 private RNGCryptoServiceProvider _algo;
  22
  23                 [SetUp]
  24                 public void SetUp ()
  25                 {
  26                         _algo = new RNGCryptoServiceProvider ();
  27                 }
  28 #if !MOBILE
  29                 [Test]
  30                 public void ConstructorByteArray ()
  31                 {
  32                         byte[] array = new byte [16];
  33                         byte[] seed = (byte[]) array.Clone ();
  34                         RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider (seed);
  35                         Assert.AreEqual (BitConverter.ToString (array), BitConverter.ToString (seed), "Seed");
  36                 }
  37
  38                 [Test]
  39                 public void ConstructorByteArray_Null ()
  40                 {
  41                         byte[] array = null;
  42                         RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider (array);
  43                 }
  44
  45                 [Test]
  46                 public void ConstructorCsp_Null ()
  47                 {
  48                         CspParameters csp = null;
  49                         RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider (csp);
  50                 }
  51
  52                 [Test]
  53                 public void ConstructorString ()
  54                 {
  55                         string s = "Mono seed";
  56                         RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider (s);
  57                 }
  58
  59                 [Test]
  60                 public void ConstructorString_Null ()
  61                 {
  62                         string s = null;
  63                         RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider (s);
  64                 }
  65 #endif
  66                 [Test]
  67                 public void GetBytes ()
  68                 {
  69                         byte[] random = new byte [25];
  70                         // The C code doesn't throw an exception yet.
  71                         _algo.GetBytes (random);
  72                 }
  73
  74                 [Test]
  75                 public void GetNonZeroBytes ()
  76                 {
  77                         byte[] random = new byte [25];
  78                         // This one we can check...
  79                         _algo.GetNonZeroBytes (random);
  80
  81                         foreach (Byte rnd_byte in random) {
  82                                 Assert.IsTrue(rnd_byte != 0);
  83                         }
  84                 }
  85
  86                 [Test]
  87                 [ExpectedException (typeof (ArgumentNullException))]
  88                 public void GetBytesNull ()
  89                 {
  90                         _algo.GetBytes (null);
  91                 }
  92
  93                 [Test]
  94                 [ExpectedException (typeof (ArgumentNullException))]
  95                 public void GetNonZeroBytesNull ()
  96                 {
  97                         _algo.GetNonZeroBytes (null);
  98                 }
  99         }
 100 }