/*
* Copyright ( c ) 2009 , Oracle and / or its affiliates . All rights reserved .
* 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 6847092
* @ summary test if isLegalReplacement ( ) works correctly for ascii charsets
*/
import java.util.*;
import java.nio.*;
import java.nio.charset.*;
public class FindASCIIReplBugs {
private static int failures = 0 ;
public static void main(String[] args) throws Exception {
Charset ascii = Charset.forName("ASCII" );
for (Map.Entry<String,Charset> e
: Charset.availableCharsets().entrySet()) {
String csn = e.getKey();
Charset cs = e.getValue();
if (!cs.contains(ascii) ||
csn.matches(".*2022.*" ) || //iso2022 family
csn.matches(".*UTF-[16|32].*" )) //multi-bytes
continue ;
if (! cs.canEncode()) continue ;
byte [] sc_subs = { 'A' };
byte [] mc_subs = { 'A' , 'S' };
if (!cs.newEncoder().isLegalReplacement (sc_subs) ||
!cs.newEncoder().isLegalReplacement (mc_subs)) {
System.out.printf(" %s: isLegalReplacement failed!%n" , csn);
failures++;
}
}
if (failures > 0 )
throw new Exception(failures + "tests failed" );
}
}
Messung V0.5 in Prozent C=94 H=95 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
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