mcs/class/System/Test/System.Text.RegularExpressions/RegexTrial.cs

   1 using System;
   2 using System.Text.RegularExpressions;
   3
   4 namespace MonoTests.System.Text.RegularExpressions {
   5
   6         class RegexTrial {
   7                 public string pattern;
   8                 public RegexOptions options;
   9                 public string input;
  10
  11                 public string expected;
  12
  13                 public RegexTrial (string pattern, RegexOptions options, string input, string expected) {
  14                         this.pattern = pattern;
  15                         this.options = options;
  16                         this.input = input;
  17                         this.expected = expected;
  18                 }
  19
  20                 public string Expected {
  21                         get { return expected; }
  22                 }
  23
  24                 public string Execute () {
  25                         string result;
  26                         try {
  27                                 Regex re = new Regex (pattern, options);
  28                                 Match m = re.Match (input);
  29
  30                                 if (m.Success) {
  31                                         result = "Pass.";
  32
  33                                         for (int i = 0; i < m.Groups.Count; ++ i) {
  34                                                 Group group = m.Groups[i];
  35
  36                                                 result += " Group[" + i + "]=";
  37                                                 foreach (Capture cap in group.Captures) {
  38                                                         result += "(" + cap.Index + "," + cap.Length + ")";
  39                                                 }
  40                                         }
  41                                 }
  42                                 else
  43                                         result = "Fail.";
  44                         }
  45                         catch (Exception) {
  46                                 result = "Error.";
  47                         }
  48
  49                         return result;
  50                 }
  51
  52                 public override string ToString () {
  53                         return
  54                                 "Matching input '" + input +
  55                                 "' against pattern '" + pattern +
  56                                 "' with options '" + options + "'.";
  57                 }
  58         }
  59
  60         class Checksum {
  61                 public Checksum () {
  62                         this.sum = 0;
  63                 }
  64
  65                 public uint Value {
  66                         get { return sum; }
  67                 }
  68
  69                 public void Add (string str) {
  70                         for (int i = 0; i < str.Length; ++ i)
  71                                 Add (str[i], 16);
  72                 }
  73
  74                 public void Add (uint n) {
  75                         Add (n, 32);
  76                 }
  77
  78                 public void Add (ulong n, int bits) {
  79                         ulong mask = 1ul << (bits - 1);
  80                         for (int i = 0; i < bits; ++ i) {
  81                                 Add ((n & mask) != 0);
  82                                 mask >>= 1;
  83                         }
  84                 }
  85
  86                 public void Add (bool bit) {
  87                         bool top = (sum & 0x80000000) != 0;
  88                         sum <<= 1;
  89                         sum ^= bit ? (uint)1 : (uint)0;
  90
  91                         if (top)
  92                                 sum ^= key;
  93                 }
  94
  95                 private uint sum;
  96                 private readonly uint key = 0x04c11db7;
  97         }
  98 }