mcs/class/corlib/Test/System.Collections/ComparerTest.cs

   1 // ComparerTest\r
   2 \r
   3 using System;\r
   4 using System.Collections;\r
   5 \r
   6 using NUnit.Framework;\r
   7 \r
   8 \r
   9 \r
  10 namespace MonoTests.System.Collections {\r
  11 \r
  12 \r
  13         /// <summary>Comparer test suite.</summary>\r
  14         public class ComparerTest : TestCase {\r
  15                 public ComparerTest() : base ("MonoTests.System.Collections.ComparerTest testcase") {}\r
  16                 public ComparerTest(String name) : base(name)\r
  17                 {\r
  18                 }\r
  19 \r
  20                 protected override void SetUp ()\r
  21                 {\r
  22                 }\r
  23 \r
  24                 public static ITest Suite\r
  25                 {\r
  26                         get {\r
  27                                 return new TestSuite(typeof(ComparerTest));\r
  28                         }\r
  29                 }\r
  30 \r
  31                 public void TestDefaultInstance ()\r
  32                 {\r
  33                         // Make sure the instance returned by Default\r
  34                         // is really a Comparer.\r
  35                         Assert((Comparer.Default as Comparer) != null);\r
  36                 }\r
  37 \r
  38                 public void TestCompare ()\r
  39                 {\r
  40                         Comparer c = Comparer.Default;\r
  41 \r
  42                         bool thrown = false;\r
  43 \r
  44                         try {\r
  45                                 c.Compare (new Object (), new Object ());\r
  46                         } catch (ArgumentException) {\r
  47                                 thrown = true;\r
  48                         }\r
  49 \r
  50                         Assert("ArgumentException expected", thrown);\r
  51 \r
  52                         Assert(c.Compare (1, 2) < 0);\r
  53                         Assert(c.Compare (2, 2) == 0);\r
  54                         Assert(c.Compare (3, 2) > 0);\r
  55 \r
  56                 }\r
  57                         \r
  58         }\r
  59 \r
  60 }\r