/*
* Copyright ( c ) 2008 , 2016 , 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
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
import java.io.*;
import java.util.*;
/*
* @ test
* @ bug 4501661
* @ summary disallow mixing - public , - private , and - protected
* @ modules jdk . jdeps / com . sun . tools . javap
*/
public class T4501661 {
public static void main(String... args) throws Exception {
new T4501661().run();
}
void run() throws Exception {
File javaFile = writeTestFile();
File classFile = compileTestFile(javaFile);
boolean [] values = { false , true };
for (boolean pack : values) {
for (boolean priv : values) {
for (boolean prot : values) {
for (boolean publ : values) {
test(pack, priv, prot, publ, classFile);
}
}
}
}
if (errors > 0 )
throw new Exception(errors + " errors found" );
}
void test(boolean pack, boolean priv, boolean prot, boolean publ, File classFile) {
List<String> args = new ArrayList<String>();
if (pack)
args.add("-package" );
if (priv)
args.add("-private" );
if (prot)
args.add("-protected" );
if (publ)
args.add("-public" );
boolean expectOK = (args.size() <= 1 );
args.add(classFile.getPath());
String out = javap(args, expectOK);
if (out == null )
return ;
if (!priv && !prot && !publ)
checkNone(out, "private" );
if (prot)
checkNone(out, "private" , "package" );
if (publ)
checkNone(out, "private" , "package" , "protected" );
}
File writeTestFile() throws IOException {
File f = new File("Test.java" );
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
out.println("abstract class Test { " );
out.println(" public void public_m() { }" );
out.println(" protected void protected_m() { }" );
out.println(" private void private_m() { }" );
out.println(" void package_m() { }" );
out.println("}" );
out.close();
return f;
}
File compileTestFile(File f) {
int rc = com.sun.tools.javac.Main.compile(new String[] { "-g" , f.getPath() });
if (rc != 0 )
throw new Error("compilation failed. rc=" + rc);
String path = f.getPath();
return new File(path.substring(0 , path.length() - 5 ) + ".class" );
}
String javap(List<String> args, boolean expectOK) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
System.err.println(args);
System.err.println(sw);
if (expectOK) {
if (rc == 0 )
return sw.toString();
else
error("javap failed unexpectedly; rc=" + rc + "\n" + sw);
} else {
if (rc == 0 )
error("javap succeeded unexpectedly" );
}
return null ;
}
void checkNone(String log, String... words) {
for (String word: words) {
if (log.indexOf(word) != -1 )
error("\" " + word + " \" unexpectedly found in output" );
}
}
void error(String msg) {
System.err.println("error: " + msg);
errors++;
}
int errors;
}
Messung V0.5 in Prozent C=94 H=88 G=90
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland