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From "Evgeniya Maenkova (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-3145) [regex] java.util.regex.Pattern failed to compile "(\\P{all})+" pattern unlike RI
Date Thu, 08 Feb 2007 18:44:05 GMT
[regex] java.util.regex.Pattern failed to compile "(\\P{all})+" pattern unlike RI
---------------------------------------------------------------------------------

                 Key: HARMONY-3145
                 URL: https://issues.apache.org/jira/browse/HARMONY-3145
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: Evgeniya Maenkova
         Attachments: Pattern1.java

The test is: [to be attached]

import java.util.regex.Pattern;

public class Pattern1 {
	public static void main(String[] args) throws Exception {
		int[] codePoint = new int[1];
		Pattern p = Pattern.compile("(\\p{all})+");		
		boolean res = true;
		int cnt = 0;
		String s;
		for (int i =0; i < 0x110000; i ++) {
			codePoint[0] = i;
			s = new String(codePoint, 0, 1);
			if (!s.matches(p.toString())) {
				cnt++;
				res = false;
			}
		}
		System.out.println(res + " " + Integer.toHexString(cnt));
		
		p = Pattern.compile("(\\P{all})+");		
		res = true;
		cnt = 0;
		
		for (int i =0; i < 0x110000; i ++) {
			codePoint[0] = i;
			s = new String(codePoint, 0, 1);			
			if (!s.matches(p.toString())) {
				cnt++;
				res = false;
			}
		}		 
		
		
		System.out.println(res + " " + Integer.toHexString(cnt)); 		 
			
	}
}

DRL output:
Uncaught exception in main:
java.util.regex.PatternSyntaxException: Character Class \p{all} is not supported near index:
8
(\p{all})+
        ^
        at java.util.regex.Lexer.movePointer(Lexer.java:564)
        at java.util.regex.Lexer.<init>(Lexer.java:225)
        at java.util.regex.Pattern.compileImpl(Pattern.java:279)
        at java.util.regex.Pattern.compile(Pattern.java:264)
        at java.util.regex.Pattern.compile(Pattern.java)
        at Pattern1.main(Pattern1.java:5)

RI output:
true 0
false 110000


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