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

   1 //\r
   2 // TestSuite.System.Security.Cryptography.SymmetricAlgorithmTest.cs\r
   3 //\r
   4 // Author:\r
   5 //      Thomas Neidhart (tome@sbox.tugraz.at)\r
   6 //\r
   7 \r
   8 \r
   9 using System;\r
  10 using System.Security.Cryptography;\r
  11 \r
  12 using NUnit.Framework;\r
  13 \r
  14 namespace Testsuite.System.Security.Cryptography {\r
  15 \r
  16         public class SymmetricAlgorithmTest : TestCase {\r
  17                 private SymmetricAlgorithm _algo;\r
  18                 \r
  19                 public SymmetricAlgorithmTest(String name) : base(name) {\r
  20                         _algo = null;\r
  21                 }\r
  22                 \r
  23                 public static ITest Suite {\r
  24                         get {\r
  25                                 return new TestSuite(typeof(SymmetricAlgorithmTest));\r
  26                         }\r
  27                 }\r
  28 \r
  29                 protected override void SetUp() {\r
  30                         _algo = SymmetricAlgorithm.Create();\r
  31                 }\r
  32 \r
  33                 private void SetDefaultData() {\r
  34                 }\r
  35                 \r
  36                 public void TestProperties() {\r
  37                         Assert("Properties (1)", _algo != null);\r
  38                         \r
  39                         bool thrown = false;\r
  40                         try \r
  41                         {\r
  42                                 // try setting an illegal blocksize -> must throw an exception\r
  43                                 _algo.BlockSize = 12;\r
  44                         } catch (CryptographicException) {thrown = true;}\r
  45                         Assert("Properties (2)", thrown);\r
  46                         \r
  47                         byte[] key = _algo.Key;\r
  48                         Assert("Properties (3)", key != null);\r
  49                         \r
  50                         thrown = false;\r
  51                         try {\r
  52                                 KeySizes[] keys = _algo.LegalKeySizes;\r
  53                                 foreach (KeySizes myKey in keys) {\r
  54                                         for (int i=myKey.MinSize; i<=myKey.MaxSize; i+=myKey.SkipSize) {\r
  55                                                 _algo.KeySize = i;\r
  56                                         }\r
  57                                 }\r
  58                         } catch (CryptographicException) {thrown=true;}\r
  59                         Assert("Properties (4)", !thrown);\r
  60                 }\r
  61         }\r
  62 }\r