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 : Assertion {
  20
  21                 private RNGCryptoServiceProvider _algo;
  22
  23                 [SetUp]
  24                 public void SetUp ()
  25                 {
  26                         _algo = new RNGCryptoServiceProvider ();
  27                 }
  28
  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                         AssertEquals ("Seed", BitConverter.ToString (array), BitConverter.ToString (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                         AssertEquals ("Seed", "Mono seed", s);
  58                 }
  59
  60                 [Test]
  61                 public void ConstructorString_Null ()
  62                 {
  63                         string s = null;
  64                         RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider (s);
  65                 }
  66
  67                 [Test]
  68                 public void GetBytes ()
  69                 {
  70                         byte[] random = new byte [25];
  71                         // The C code doesn't throw an exception yet.
  72                         _algo.GetBytes (random);
  73                 }
  74
  75                 [Test]
  76                 public void GetNonZeroBytes ()
  77                 {
  78                         byte[] random = new byte [25];
  79                         // This one we can check...
  80                         _algo.GetNonZeroBytes (random);
  81
  82                         foreach (Byte rnd_byte in random) {
  83                                 Assert("Properties (2)", rnd_byte != 0);
  84                         }
  85                 }
  86
  87                 [Test]
  88                 [ExpectedException (typeof (ArgumentNullException))]
  89                 public void GetBytesNull ()
  90                 {
  91                         _algo.GetBytes (null);
  92                 }
  93
  94                 [Test]
  95                 [ExpectedException (typeof (ArgumentNullException))]
  96                 public void GetNonZeroBytesNull ()
  97                 {
  98                         _algo.GetNonZeroBytes (null);
  99                 }
 100         }
 101 }