mcs/class/System.Configuration/Test/standalone/Assert.cs

   1 using System;
   2 using System.Globalization;
   3
   4 class Assert
   5 {
   6         public static void AreEqual (string x, string y, string msg)
   7         {
   8                 if (x == null && y == null)
   9                         return;
  10                 if ((x == null || y == null) || !x.Equals (y))
  11                         throw new Exception (string.Format (CultureInfo.InvariantCulture,
  12                                 "Expected: {0}, but was: {1}. {2}",
  13                                 x == null ? "<null>" : x, y == null ? "<null>" : y, msg));
  14         }
  15
  16         public static void AreEqual (object x, object y, string msg)
  17         {
  18                 if (x == null && y == null)
  19                         return;
  20                 if ((x == null || y == null))
  21                         throw new Exception (string.Format (CultureInfo.InvariantCulture,
  22                                 "Expected: {0}, but was: {1}. {2}",
  23                                 x == null ? "<null>" : x, y == null ? "<null>" : y, msg));
  24
  25                 bool isArrayX = x.GetType ().IsArray;
  26                 bool isArrayY = y.GetType ().IsArray;
  27
  28                 if (isArrayX && isArrayY) {
  29                         Array arrayX = (Array) x;
  30                         Array arrayY = (Array) y;
  31
  32                         if (arrayX.Length != arrayY.Length)
  33                                 throw new Exception (string.Format (CultureInfo.InvariantCulture,
  34                                         "Length of arrays differs. Expected: {0}, but was: {1}. {2}",
  35                                         arrayX.Length, arrayY.Length, msg));
  36
  37                         for (int i = 0; i < arrayX.Length; i++) {
  38                                 object itemX = arrayX.GetValue (i);
  39                                 object itemY = arrayY.GetValue (i);
  40                                 if (!itemX.Equals (itemY))
  41                                         throw new Exception (string.Format (CultureInfo.InvariantCulture,
  42                                                 "Arrays differ at position {0}. Expected: {1}, but was: {2}. {3}",
  43                                                 i, itemX, itemY, msg));
  44                         }
  45                 } else if (!x.Equals (y)) {
  46                         throw new Exception (string.Format (CultureInfo.InvariantCulture,
  47                                 "Expected: {0}, but was: {1}. {2}",
  48                                 x, y, msg));
  49                 }
  50         }
  51
  52         public static void Fail (string msg)
  53         {
  54                 throw new Exception (msg);
  55         }
  56
  57         public static void IsFalse (bool value, string msg)
  58         {
  59                 if (value)
  60                         throw new Exception (msg);
  61         }
  62
  63         public static void IsTrue (bool value, string msg)
  64         {
  65                 if (!value)
  66                         throw new Exception (msg);
  67         }
  68
  69         public static void IsNotNull (object value, string msg)
  70         {
  71                 if (value == null)
  72                         throw new Exception (msg);
  73         }
  74
  75         public static void IsNull (object value, string msg)
  76         {
  77                 if (value != null)
  78                         throw new Exception (msg);
  79         }
  80
  81         public static void AreSame (object x, object y, string msg)
  82         {
  83                 if (!object.ReferenceEquals (x, y))
  84                         throw new Exception (msg);
  85         }
  86 }