/*
* Copyright ( c ) 2018 , 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 .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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*/
import jdk.internal.util.SystemProps.Raw;
import org.testng.Assert ;
import org.testng.annotations.Test;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/*
* @ test
* @ summary Test to verify that the SystemProps . Raw _ xxx_NDX indices are unique and without gaps .
* @ modules java . base / jdk . internal . util : + open
* @ run testng VerifyRawIndexesTest
*/
@Test
public class VerifyRawIndexesTest {
/**
* Check that the Raw . _ * _ NDX indexes are sequential and followed by
* the FIXED_LENGTH value .
* It verifies there there are no gaps or duplication in the declarations .
*/
@Test
void verifyIndexes() {
Field[] fields = Raw.class .getDeclaredFields();
int expectedModifiers = Modifier.PRIVATE | Modifier.STATIC | Modifier.FINAL ;
int next = 0 ; // indexes start at zero
int fixedLength = -1 ;
for (Field f : fields) {
try {
int mods = f.getModifiers();
String name = f.getName();
if (((mods & expectedModifiers) == expectedModifiers) &&
(name.endsWith("_NDX" ) || name.equals("FIXED_LENGTH" ))) {
f.setAccessible(true );
int ndx = f.getInt(null );
System.out.printf("%s: %s%n" , name, ndx);
Assert .assertEquals(ndx, next, "index value wrong" );
if (name.equals("FIXED_LENGTH" )) {
fixedLength = next; // remember for final check
}
next++;
} else {
System.out.printf("Ignoring field: " + f);
}
} catch (IllegalAccessException iae) {
Assert .fail("unexpected exception" , iae);
}
}
Assert .assertEquals(next - 1 , fixedLength,
"FIXED_LENGTH should be 1 greater than max of _NDX indexes" );
}
}
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¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
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