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//
// MonoTests.System.Text.RegularExpressions misc. test cases
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (c) Copyright 2003,2004 Novell, Inc. (http://www.novell.com)
//
using NUnit.Framework;
using System;
using System.Text;
using System.Text.RegularExpressions;
namespace MonoTests.System.Text.RegularExpressions
{
[TestFixture]
public class RegexBugs : Assertion
{
[Test]
public void SplitGroup () // bug51146
{
string [] splitResult = new Regex ("-").Split ("a-bcd-e-fg");
string [] expected = new string [] {"a", "bcd", "e", "fg"};
int length = expected.Length;
int i;
AssertEquals ("#01", length, splitResult.Length);
for (i = 0; i < length; i++)
AssertEquals ("#02 " + i, expected [i], splitResult [i]);
splitResult = new Regex ("(-)").Split ("a-bcd-e-fg");
expected = new string [] {"a", "-", "bcd", "-", "e", "-", "fg"};
length = expected.Length;
AssertEquals ("#03", length, splitResult.Length);
for (i = 0; i < length; i++)
AssertEquals ("#04 " + i, expected [i], splitResult [i]);
splitResult = new Regex ("(-)b(c)").Split ("a-bcd-e-fg");
expected = new string [] {"a", "-", "c", "d-e-fg" };
length = expected.Length;
AssertEquals ("#04", length, splitResult.Length);
for (i = 0; i < length; i++)
AssertEquals ("#05 " + i, expected [i], splitResult [i]);
splitResult = new Regex ("-").Split ("a-bcd-e-fg-");
expected = new string [] {"a", "bcd", "e", "fg", ""};
length = expected.Length;
AssertEquals ("#06", length, splitResult.Length);
for (i = 0; i < length; i++)
AssertEquals ("#07 " + i, expected [i], splitResult [i]);
}
[Test]
public void MathEmptyGroup () // bug 42529
{
string str = "Match something from here.";
AssertEquals ("MEG #01", false, Regex.IsMatch(str, @"(something|dog)$"));
AssertEquals ("MEG #02", true, Regex.IsMatch(str, @"(|something|dog)$"));
AssertEquals ("MEG #03", true, Regex.IsMatch(str, @"(something||dog)$"));
AssertEquals ("MEG #04", true, Regex.IsMatch(str, @"(something|dog|)$"));
AssertEquals ("MEG #05", true, Regex.IsMatch(str, @"(something|dog)*"));
AssertEquals ("MEG #06", true, Regex.IsMatch(str, @"(|something|dog)*"));
AssertEquals ("MEG #07", true, Regex.IsMatch(str, @"(something||dog)*"));
AssertEquals ("MEG #08", true, Regex.IsMatch(str, @"(something|dog|)*"));
AssertEquals ("MEG #09", true, Regex.IsMatch(str, @"(something|dog)*$"));
AssertEquals ("MEG #10", true, Regex.IsMatch(str, @"(|something|dog)*$"));
AssertEquals ("MEG #11", true, Regex.IsMatch(str, @"(something||dog)*$"));
AssertEquals ("MEG #12", true, Regex.IsMatch(str, @"(something|dog|)*$"));
}
[Test]
public void Braces () // bug 52924
{
// Before the fix, the next line throws an exception
Regex regVar = new Regex(@"{\w+}");
Match m = regVar.Match ("{ }");
AssertEquals ("BR #01", false, m.Success);
}
[Test]
public void WhiteSpaceGroupped () // bug 71077
{
string s = "\n";
string p = @"[\s\S]"; // =Category.Any
AssertEquals ("WSG#1", true, Regex.IsMatch (s, p));
}
[Test]
public void RangeIgnoreCase() // bug 45976
{
string str = "AAABBBBAAA" ;
AssertEquals("RIC #01", true, Regex.IsMatch(str, @"[A-F]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #02", true, Regex.IsMatch(str, @"[a-f]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #03", true, Regex.IsMatch(str, @"[A-Fa-f]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #04", true, Regex.IsMatch(str, @"[AB]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #05", true, Regex.IsMatch(str, @"[A-B]+", RegexOptions.IgnoreCase));
str = "AaaBBBaAa" ;
AssertEquals("RIC #06", true, Regex.IsMatch(str, @"[A-F]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #07", true, Regex.IsMatch(str, @"[a-f]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #08", true, Regex.IsMatch(str, @"[A-Fa-f]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #09", true, Regex.IsMatch(str, @"[AB]+", RegexOptions.IgnoreCase));
AssertEquals("RIC #10", true, Regex.IsMatch(str, @"[A-B]+", RegexOptions.IgnoreCase));
str = "Aaa[";
AssertEquals("RIC #11", true, Regex.IsMatch(str, @"[A-a]+", RegexOptions.IgnoreCase));
str = "Ae";
Assert("RIC #12", Regex.IsMatch(str, @"[A-a]+", RegexOptions.IgnoreCase));
}
[Test]
public void Escape0 () // bug54797
{
Regex r = new Regex(@"^[\s\0]*$");
AssertEquals ("E0-1", true, r.Match(" \0").Success);
}
[Test()]
public void MultipleMatches()
{
Regex regex = new Regex (@"^(?'path'.*(\\|/)|(/|\\))(?'file'.*)$");
Match match = regex.Match (@"d:\Temp\SomeDir\SomeDir\bla.xml");
AssertEquals ("MM #01", 5, match.Groups.Count);
AssertEquals ("MM #02", "1", regex.GroupNameFromNumber(1));
AssertEquals ("MM #03", "2", regex.GroupNameFromNumber(2));
AssertEquals ("MM #04", "path", regex.GroupNameFromNumber(3));
AssertEquals ("MM #05", "file", regex.GroupNameFromNumber(4));
AssertEquals ("MM #06", "\\", match.Groups[1].Value);
AssertEquals ("MM #07", "", match.Groups[2].Value);
AssertEquals ("MM #08", @"d:\Temp\SomeDir\SomeDir\", // fool emacs: "
match.Groups[3].Value);
AssertEquals ("MM #09", "bla.xml", match.Groups[4].Value);
}
[Test]
public void SameNameGroups () // First problem in fixing bug #56000
{
string rex = "link\\s*rel\\s*=\\s*[\"']?alternate[\"']?\\s*";
rex += "type\\s*=\\s*[\"']?text/xml[\"']?\\s*href\\s*=\\s*(?:\"(?<1>[^\"]*)\"|'(?<1>[^']*)'|(?<1>\\S+))";
Regex rob = new Regex (rex, RegexOptions.IgnoreCase);
}
[Test]
public void UndefinedGroup () // bug 52890
{
Regex regex = new Regex( "[A-Za-z_0-9]" );
Match m = regex.Match( "123456789abc" );
Group g = m.Groups["not_defined"];
AssertNotNull ("#0", g);
AssertEquals ("#1", 0, g.Index);
AssertEquals ("#2", 0, g.Length);
AssertEquals ("#3", "", g.Value);
Assert ("#4", !g.Success);
AssertNotNull ("#5", g.Captures);
AssertEquals ("#6", 0, g.Captures.Count);
}
[Test]
public void Quantifiers1 ()
{
Regex re = new Regex ("[\\w\\W]{8,32}");
Match m = re.Match (new string ('1', 7));
AssertEquals ("#01", false, m.Success);
}
[Test]
public void Quantifiers2 ()
{
Regex re = new Regex ("[\\w\\W]{8,32}");
Match m = re.Match (new string ('1', 8));
AssertEquals ("#01", true, m.Success);
}
[Test]
public void Quantifiers3 ()
{
Regex re = new Regex ("[\\w\\W]{8,32}");
Match m = re.Match (new string ('1', 16));
AssertEquals ("#01", true, m.Success);
}
[Test]
public void Quantifiers4 ()
{
Regex re = new Regex ("[\\w\\W]{8,32}");
Match m = re.Match (new string ('1', 32));
AssertEquals ("#01", true, m.Success);
}
[Test]
public void Quantifiers5 ()
{
Regex re = new Regex ("[\\w\\W]{8,32}");
Match m = re.Match (new string ('1', 33));
AssertEquals ("#01", true, m.Success);
}
[Test]
public void CategoryAndNegated () // Was a regression after first attemp to fix 59150.
{
string text = "<?xml version=\"1.0\"?>";
Regex re = new Regex ("<\\s*(\\/?)\\s*([\\s\\S]*?)\\s*(\\/?)\\s*>");
text = re.Replace (text, "{blue:<$1}{maroon:$2}{blue:$3>}");
AssertEquals ("#01", "{blue:<}{maroon:?xml version=\"1.0\"?}{blue:>}", text);
}
[Test]
public void BackSpace ()
{
string text = "Go, \bNo\bGo" ;
Regex re = new Regex(@"\b[\b]");
text = re.Replace(text, " ");
AssertEquals("#01", "Go, \bNo Go", text);
}
[Test]
public void ReplaceNegOneAndStartat ()
{
string text = "abcdeeee";
Regex re = new Regex("e+");
text = re.Replace(text, "e", -1, 4);
AssertEquals("#01", "abcde", text);
}
[Test]
//[Ignore] You may want to ignore this if the bugs gets back
public void SplitInfiniteLoop () // bug 57274
{
string ss = "a b c d e";
string [] words = Regex.Split (ss, "[ \t\n\r]*");
AssertEquals ("#01Length", 11, words.Length);
AssertEquals ("#00", "", words [0]);
AssertEquals ("#01", "a", words [1]);
AssertEquals ("#02", "", words [2]);
AssertEquals ("#03", "b", words [3]);
AssertEquals ("#04", "", words [4]);
AssertEquals ("#05", "c", words [5]);
AssertEquals ("#06", "", words [6]);
AssertEquals ("#07", "d", words [7]);
AssertEquals ("#08", "", words [8]);
AssertEquals ("#09", "e", words [9]);
AssertEquals ("#10", "", words [10]);
}
[Test]
public void CaseAndSearch () // bug 69065
{
string test1 = @" !E ZWEITBAD :REGLER-PARAMETER 20.10.2004 SEITE 1";
string test2 = @" REGLER-PARAMETER ";
string test3 = @"REGLER-PARAMETER ";
Regex x = new Regex ("REGLER-PARAMETER",RegexOptions.IgnoreCase|RegexOptions.Compiled);
Match m = x.Match (test1);
AssertEquals ("#01", true, m.Success);
m = x.Match (test2);
AssertEquals ("#02", true, m.Success);
m = x.Match (test3);
AssertEquals ("#03", true, m.Success);
}
[Test]
public void QuantifiersParseError () // bug 69193
{
Regex x = new Regex ("{1,a}");
x = new Regex ("{a,1}");
x = new Regex ("{a}");
x = new Regex ("{,a}");
}
[Test]
public void NameLookupInEmptyMatch () // bug 74753
{
Regex regTime = new Regex (
@"(?<hour>[0-9]{1,2})([\:](?<minute>[0-9]{1,2})){0,1}([\:](?<second>[0-9]{1,2})){0,1}\s*(?<ampm>(?i:(am|pm)){0,1})");
Match mTime = regTime.Match("");
AssertEquals ("#01", "", mTime.Groups["hour"].Value);
AssertEquals ("#02", "", mTime.Groups["minute"].Value);
AssertEquals ("#03", "", mTime.Groups["second"].Value);
AssertEquals ("#04", "", mTime.Groups["ampm"].Value);
mTime = regTime.Match("12:00 pm");
AssertEquals ("#05", "12", mTime.Groups["hour"].Value);
AssertEquals ("#06", "00", mTime.Groups["minute"].Value);
AssertEquals ("#07", "", mTime.Groups["second"].Value);
AssertEquals ("#08", "pm", mTime.Groups["ampm"].Value);
}
[Test]
public void HangingHyphens ()
{
// bug 77626
Assert ("#01", Regex.IsMatch ("mT1[", @"m[0-9A-Za-z_-]+\["));
Assert ("#02", Regex.IsMatch ("mT1[", @"m[-0-9A-Za-z_]+\["));
Assert ("#03", Regex.IsMatch ("-a;", @"[--a]{3}"));
Assert ("#04", Regex.IsMatch ("-&,", @"[&--]{3}"));
Assert ("#05", Regex.IsMatch ("abcz-", @"[a-c-z]{5}"));
Assert ("#05b", !Regex.IsMatch ("defghijklmnopqrstuvwxy", @"[a-c-z]"));
Assert ("#06", Regex.IsMatch ("abcxyz-", @"[a-c-x-z]{7}"));
Assert ("#06b", !Regex.IsMatch ("defghijklmnopqrstuvw", @"[a-c-x-z]"));
Assert ("#07", Regex.IsMatch (" \tz-", @"[\s-z]{4}"));
Assert ("#07b", !Regex.IsMatch ("abcdefghijklmnopqrstuvwxy", @"[\s-z]"));
}
[Test, ExpectedException (typeof (ArgumentException))]
public void HangingHyphen1 ()
{
bool b = Regex.IsMatch ("foobar", @"[a-\s]");
}
[Test]
public void Bug77487 ()
{
Assert ("#01", Regex.IsMatch ("a a", "^(a[^a]*)*a$"));
Assert ("#02", Regex.IsMatch ("a a", "^(a *)*a$"));
Assert ("#03", Regex.IsMatch ("a a", "(a[^a]*)+a"));
Assert ("#04", Regex.IsMatch ("a a", "(a *)+a"));
}
[Test]
public void Bug69269 ()
{
string s = "CREATE aa\faa; CREATE bb\nbb; CREATE cc\rcc; CREATE dd\tdd; CREATE ee\vee;";
AssertEquals ("#01", 5, Regex.Matches(s, @"CREATE[\s\S]+?;").Count);
AssertEquals ("#02", 5, Regex.Matches(s, @"CREATE[ \f\n\r\t\v\S]+?;").Count);
}
[Test]
public void Bug76345 ()
{
Match m;
string s1 = "'asdf'";
string s2 = "'as,'df'";
m = new Regex("'.*?'").Match(s1); Assert ("#01", m.Success); AssertEquals ("#01v", s1, m.Value);
m = new Regex("'[^,].*?'").Match(s1); Assert ("#02", m.Success); AssertEquals ("#02v", s1, m.Value);
m = new Regex("'.*?[^,]'").Match(s1); Assert ("#03", m.Success); AssertEquals ("#03v", s1, m.Value);
m = new Regex("'.*?[^,]'").Match(s2); Assert ("#04", m.Success); AssertEquals ("#04v", s2, m.Value);
}
[Test]
public void Bug78007 ()
{
string test = "head><html>";
string pattern = @"\Ahead>\<html\>";
Regex r = new Regex (pattern);
Match m = r.Match (test);
Assert ("#01", m.Success);
AssertEquals ("#01i", 0, m.Index);
AssertEquals ("#01l", 14, m.Length);
m = m.NextMatch ();
Assert ("#02", !m.Success);
}
[Test]
public void CharClassWithIgnoreCase ()
{
string str = "Foobar qux";
Regex re = new Regex (@"[a-z\s]*", RegexOptions.IgnoreCase);
Match m = re.Match (str);
AssertEquals ("#01", str, m.Value);
}
void Kill65535_1 (int length)
{
StringBuilder sb = new StringBuilder ("x");
sb.Append ('a', length);
sb.Append ('y');
string teststring = sb.ToString ();
Regex regex = new Regex (@"xa*y");
Match m = regex.Match (teststring);
Assert ("#01 " + length, m.Success);
AssertEquals ("#02 " + length, m.Index, 0);
AssertEquals ("#03 " + length, m.Length, teststring.Length);
}
void Kill65535_2 (int length)
{
StringBuilder sb = new StringBuilder ("xaaaax");
sb.Append ('a', length);
sb.Append ('y');
string teststring = sb.ToString ();
Regex regex = new Regex (@"x.*y");
Match m = regex.Match(teststring);
Assert ("#01 " + length, m.Success);
AssertEquals ("#02 " + length, m.Index, 0);
AssertEquals ("#03 " + length, m.Length, teststring.Length);
}
[Test] // Based on bug #78278
public void No65535Limit ()
{
Kill65535_1 (65535);
Kill65535_1 (65536);
Kill65535_1 (131071);
Kill65535_1 (131072);
Kill65535_2 (65530);
Kill65535_2 (65531);
Kill65535_2 (131066);
Kill65535_2 (131067);
}
}
}
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