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

   1 //
   2 // ProtectedMemoryTest.cs - NUnit Test Cases for ProtectedMemory
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 #if NET_2_0
  11
  12 using NUnit.Framework;
  13
  14 using System;
  15 using System.Security.Cryptography;
  16
  17 namespace MonoTests.System.Security.Cryptography {
  18
  19         // References:
  20         // a.
  21
  22         [TestFixture]
  23         public class ProtectedMemoryTest : Assertion {
  24
  25                 private void ProtectUnprotect (MemoryProtectionScope scope)
  26                 {
  27                         byte[] data = new byte [16];
  28                         ProtectedMemory.Protect (data, scope);
  29                         int total = 0;
  30                         for (int i=0; i < 16; i++)
  31                                 total += data [i];
  32                         Assert ("Protect", (total != 0));
  33
  34                         ProtectedMemory.Unprotect (data, scope);
  35                         total = 0;
  36                         for (int i=0; i < 16; i++)
  37                                 total += data [i];
  38                         Assert ("Unprotect", (total == 0));
  39                 }
  40
  41                 [Test]
  42                 public void ProtectSameProcess ()
  43                 {
  44                         try {
  45                                 // we're testing the MemoryProtectionScope definition but
  46                                 // not if it's really limited to the scope specified
  47                                 ProtectUnprotect (MemoryProtectionScope.SameProcess);
  48                         }
  49                         catch (PlatformNotSupportedException) {
  50                                 Console.WriteLine ("Only supported under Windows XP and later");
  51                         }
  52                 }
  53
  54                 [Test]
  55                 public void ProtectSameLogon ()
  56                 {
  57                         try {
  58                                 // we're testing the MemoryProtectionScope definition but
  59                                 // not if it's really limited to the scope specified
  60                                 ProtectUnprotect (MemoryProtectionScope.SameLogon);
  61                         }
  62                         catch (PlatformNotSupportedException) {
  63                                 Console.WriteLine ("Only supported under Windows XP and later");
  64                         }
  65                 }
  66
  67                 [Test]
  68                 public void ProtectCrossProcess ()
  69                 {
  70                         try {
  71                                 // we're testing the MemoryProtectionScope definition but
  72                                 // not if it's really limited to the scope specified
  73                                 ProtectUnprotect (MemoryProtectionScope.CrossProcess);
  74                         }
  75                         catch (PlatformNotSupportedException) {
  76                                 Console.WriteLine ("Only supported under Windows XP and later");
  77                         }
  78                 }
  79
  80                 [Test]
  81                 [ExpectedException (typeof (CryptographicException))]
  82                 public void ProtectBadDataLength ()
  83                 {
  84                         byte[] data = new byte [15];
  85                         ProtectedMemory.Protect (data, MemoryProtectionScope.SameProcess);
  86                 }
  87
  88                 [Test]
  89                 [ExpectedException (typeof (ArgumentNullException))]
  90                 public void ProtectNull ()
  91                 {
  92                         ProtectedMemory.Protect (null, MemoryProtectionScope.SameProcess);
  93                 }
  94
  95                 [Test]
  96                 [ExpectedException (typeof (CryptographicException))]
  97                 public void UnprotectBadDataLength ()
  98                 {
  99                         byte[] data = new byte [15];
 100                         ProtectedMemory.Unprotect (data, MemoryProtectionScope.SameProcess);
 101                 }
 102
 103                 [Test]
 104                 [ExpectedException (typeof (ArgumentNullException))]
 105                 public void UnprotectNull ()
 106                 {
 107                         ProtectedMemory.Unprotect (null, MemoryProtectionScope.SameProcess);
 108                 }
 109         }
 110 }
 111
 112 #endif