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Date: Fri, 17 Feb 2006 17:09:25 +0100 (CET)
From: "Tim Ellison (JIRA)" <jira@apache.org>
To: harmony-dev@incubator.apache.org
Subject: [jira] Assigned: (HARMONY-65)
 java.text.MessageFormat.applyPattern(String pattern) and two MessageFormat
 constructors fail to detect unmatched braces in the pattern
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     [ http://issues.apache.org/jira/browse/HARMONY-65?page=all ]

Tim Ellison reassigned HARMONY-65:
----------------------------------

    Assign To: Tim Ellison

> java.text.MessageFormat.applyPattern(String pattern) and two MessageFormat constructors fail to detect unmatched braces in the pattern
> --------------------------------------------------------------------------------------------------------------------------------------
>
>          Key: HARMONY-65
>          URL: http://issues.apache.org/jira/browse/HARMONY-65
>      Project: Harmony
>         Type: Bug
>   Components: Classlib
>     Reporter: tatyana doubtsova
>     Assignee: Tim Ellison

>
> Problem details:
> According to j2se 1.4.2 constructors MessageFormat(String pattern),  MessageFormat(String pattern, Locale) and method applyPattern(String pattern) should throw IllegalArgumantException, if the pattern is invalid. Harmony implementation doesn't throw IAE, when there are unmatched braces in the pattern
> Code for reproducing Test.java:
> import java.text.*;
> import java.util.Locale;
> public class Test {
>     public static void main(String[] args) throws Exception {
>     	MessageFormat mf = new MessageFormat("{0,number,integer}");
>     	String badpattern = "{0,number,#";
>     	try{
>         	mf.applyPattern(badpattern);
>         	System.out.println("pattern = " + mf.toPattern());    		
>     		System.out.println("applyPattern(String) FAILED to detect invalid pattern");
>     	} catch (IllegalArgumentException e) {
>     		System.out.println(e.getMessage());
>     		System.out.println("applyPattern(String) PASSED");
>     		System.out.println(e.getMessage());
>     	}
>     	try {
>         	mf = new MessageFormat("{0,number,integer");
>         	System.out.println("pattern = " + mf.toPattern());    		
>     		System.out.println("MessageFormat(String) FAILED to detect invalid pattern");
>     	} catch (IllegalArgumentException e) {
>     		System.out.println(e.getMessage());
>     		System.out.println("MessageFormat(String) PASSED");
>     	}
>     	try {
>         	mf = new MessageFormat("{0,number,integer", Locale.US);
>         	System.out.println("pattern = " + mf.toPattern());    		
>     		System.out.println("MessageFormat(String, Locale) FAILED to detect invalid pattern");
>     	} catch (IllegalArgumentException e) {
>     		System.out.println(e.getMessage());
>     		System.out.println("MessageFormat(String, Locale) PASSED");
>     	}
>     }
> }
> Steps to Reproduce:
> 1. Build Harmony (check-out on 2006-01-30) j2se subset as described in README.txt.
> 2. Compile Test.java using BEA 1.4 javac
> > javac -d . Test.java
> 3. 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.
> pattern = {0,number,#}
> applyPattern(String) FAILED to detect invalid pattern
> pattern = {0,number,integer#}
> MessageFormat(String) FAILED to detect invalid pattern
> pattern = {0,number,integer#}
> MessageFormat(String, Locale) FAILED to detect invalid pattern
> Output on BEA 1.4.2 to compare with:
> Unmatched braces in the pattern.
> applyPattern(String) PASSED
> Unmatched braces in the pattern.
> Unmatched braces in the pattern.
> MessageFormat(String) PASSED
> Unmatched braces in the pattern.
> MessageFormat(String, Locale) PASSED
> Suggested junit test case:
> package org.apache.harmony.tests.java.text;
> import java.text.MessageFormat;
> import java.util.Locale;
> import junit.framework.TestCase;
> public class MessageFormatTest extends TestCase {
>     public static void main(String[] args) {
> 	junit.textui.TestRunner.run(MessageFormatTest.class);
>     }
>     public void test_MessageFormatString() {    	
>     	try {
>         	MessageFormat mf = new MessageFormat("{0,number,integer");
> 			fail("Assert 0: Failed to detect unmatched brackets.");			
>     	} catch (IllegalArgumentException e) {
>     	}
>     }
>     
>     public void test_MessageFormatStringLocale() {
>     	try {
>         	MessageFormat mf = new MessageFormat("{0,number,integer", Locale.US);
> 			fail("Assert 0: Failed to detect unmatched brackets.");			
>     	} catch (IllegalArgumentException e) {
>     	}    	
>     }
>     public void test_applyPatternString() {
>     	MessageFormat mf = new MessageFormat("{0,number,integer}");
>     	String badpattern = "{0,number,#";
>     	try{
>         	mf.applyPattern(badpattern);
> 			fail("Assert 0: Failed to detect unmatched brackets.");			
>     	} catch (IllegalArgumentException e) {
>     	}
>     }
>    
> }

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