/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
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*/
/*
* @ test
* @ bug 6970930
* @ summary verify that compare ( ) throws NPE instead of IAE when an argument is null .
*/
import java.text.*;
public class Bug6970930 {
private static boolean err = false ;
public static void main(String[] args) {
// Check if compare() throws NPE.
test1(null , null );
test1("\" foo\"" , null );
test1(null , "\" bar\"" );
if (err) {
throw new RuntimeException("Failed." );
} else {
System.out.println("Passed." );
}
}
private static void test1(String s1, String s2) {
RuleBasedCollator col = null ;
try {
col = new RuleBasedCollator("< a < b" );
}
catch (ParseException e) {
err = true ;
System.err.println(e);
}
try {
col.compare("foo" , "bar" ); // This line is necessary to reproduce the bug.
col.compare(s1, s2);
err = true ;
System.err.println("No exception was thrown for compare(" +
s1 + ", " + s2 + ")." );
}
catch (NullPointerException e) {
System.out.println("NPE was thrown as expected for compare(" +
s1 + ", " + s2 + ")." );
}
catch (Exception e) {
err = true ;
System.err.println("Unexpected exception was thrown for compare(" +
s1 + ", " + s2 + "): " + e);
}
}
}
Messung V0.5 in Prozent C=94 H=90 G=91
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(vorverarbeitet am 2026-06-10)
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