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                 public string error = "";
  13
  14                 public RegexTrial (string pattern, RegexOptions options, string input, string expected) {
  15                         this.pattern = pattern;
  16                         this.options = options;
  17                         this.input = input;
  18                         this.expected = expected;
  19                 }
  20
  21                 public string Expected {
  22                         get { return expected; }
  23                 }
  24
  25                 public string Error {
  26                         get {
  27                                 return this.error;
  28                         }
  29                 }
  30
  31                 public string Execute () {
  32                         string result;
  33                         try {
  34                                 Regex re = new Regex (pattern, options);
  35                                 Match m = re.Match (input);
  36
  37                                 if (m.Success) {
  38                                         result = "Pass.";
  39
  40                                         for (int i = 0; i < m.Groups.Count; ++ i) {
  41                                                 Group group = m.Groups[i];
  42
  43                                                 result += " Group[" + i + "]=";
  44                                                 foreach (Capture cap in group.Captures) {
  45                                                         result += "(" + cap.Index + "," + cap.Length + ")";
  46                                                 }
  47                                         }
  48                                 }
  49                                 else
  50                                         result = "Fail.";
  51                         }
  52                         catch (Exception e) {
  53
  54                                 error = e.Message + "\n" + e.StackTrace + "\n\n";
  55
  56                                 result = "Error.";
  57                         }
  58
  59                         return result;
  60                 }
  61
  62                 public override string ToString () {
  63                         return
  64                                 "Matching input '" + input +
  65                                 "' against pattern '" + pattern +
  66                                 "' with options '" + options + "'.";
  67                 }
  68         }
  69
  70         class Checksum {
  71                 public Checksum () {
  72                         this.sum = 0;
  73                 }
  74
  75                 public uint Value {
  76                         get { return sum; }
  77                 }
  78
  79                 public void Add (string str) {
  80                         for (int i = 0; i < str.Length; ++ i)
  81                                 Add (str[i], 16);
  82                 }
  83
  84                 public void Add (uint n) {
  85                         Add (n, 32);
  86                 }
  87
  88                 public void Add (ulong n, int bits) {
  89                         ulong mask = 1ul << (bits - 1);
  90                         for (int i = 0; i < bits; ++ i) {
  91                                 Add ((n & mask) != 0);
  92                                 mask >>= 1;
  93                         }
  94                 }
  95
  96                 public void Add (bool bit) {
  97                         bool top = (sum & 0x80000000) != 0;
  98                         sum <<= 1;
  99                         sum ^= bit ? (uint)1 : (uint)0;
 100
 101                         if (top)
 102                                 sum ^= key;
 103                 }
 104
 105                 private uint sum;
 106                 private readonly uint key = 0x04c11db7;
 107         }
 108 }