/*
* Copyright (c) 2008, 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
*/
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 priv: values) {
for (boolean prot: values) {
for (boolean publ: values) {
test(priv, prot, publ, classFile);
}
}
}
if (errors > 0)
throw new Exception(errors + " errors found");
}
void test(boolean priv, boolean prot, boolean publ, File classFile) {
List<String> args = new ArrayList<String>();
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;
}