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From "tatyana doubtsova (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-28) java.text.RuleBasedCollator. getCollationKey (null) does not return null
Date Fri, 13 Jan 2006 13:18:20 GMT
java.text.RuleBasedCollator. getCollationKey (null) does not return null
------------------------------------------------------------------------

         Key: HARMONY-28
         URL: http://issues.apache.org/jira/browse/HARMONY-28
     Project: Harmony
        Type: Bug
  Components: Classlib  
    Reporter: tatyana doubtsova
 Assigned to: Geir Magnusson Jr 


Problem details:
j2se1.4.2 specifies that CollationKey java.text. RuleBasedCollator.getCollationKey(String
source) returns a null CollationKey, if the source String is null.

Code for reproducing Test.java:
import java.text.*;

public class Test {
	public static void main(String[] args) {
		String source = null;
		RuleBasedCollator rbc = null;
		String Simple = "< a< b< c< d";
		try {
			rbc = new RuleBasedCollator(Simple);
		} catch (ParseException e) {
		}
		CollationKey ck = rbc.getCollationKey(source);
		System.out.println(ck == null ? "PASSED" : "FAILED");
		System.out
				.println(ck instanceof CollationKey ? "the instance of CollationKey"
						: "not the instance of CollationKey");
	}
}

Steps to Reproduce:
1. Build Harmony-14 j2se subset as described in README.txt.
2. Compile Test.java using BEA 1.4 javac
> javac -d . Test.java
2. Run java using compatible VM (J9)
> java -showversion Test

Output:
java version 1.4.2 (subset)
(c) Copyright 1991, 2005 The Apache Software Foundation or its licensors, as applicable.
FAILED
the instance of CollationKey

Output on BEA 1.4.2 to compare with:
PASSED
not the instance of CollationKey

The suggested junit test case:

package org.apache.harmony.tests.java.text;

import java.text.*;
	
import junit.framework.TestCase;

public class RuleBasedCollatorTest extends TestCase {

    public static void main(String[] args) {
        junit.textui.TestRunner.run(RuleBasedCollatorTest.class);
    }
	public void test_getCollationKey() {
		String source = null;
		RuleBasedCollator rbc = null;
		try {
			String Simple = "< a< b< c< d";
			rbc = new RuleBasedCollator(Simple);
		} catch (ParseException e) {
			fail("Assert 0: Unexpected format exception " + e);
		}
		CollationKey ck = rbc.getCollationKey(source);
		assertTrue("Assert 1: getCollationKey (null) does not return null", ck == null );	}
}



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