/*
* 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
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*/
import java.io.*;
/*
* @ test
* @ bug 4111861
* @ summary static final field contents are not displayed
* @ modules jdk . jdeps / com . sun . tools . javap
*/
public class T4111861 {
public static void main(String... args) throws Exception {
new T4111861().run();
}
void run() throws Exception {
File testSrc = new File(System.getProperty("test.src" , "." ));
File a_java = new File(testSrc, "A.java" );
javac("-d" , "." , a_java.getPath());
String out = javap("-classpath" , "." , "-constants" , "A" );
String a = read(a_java);
if (!filter(out).equals(filter(read(a_java)))) {
System.out.println(out);
throw new Exception("unexpected output" );
}
}
String javac(String... args) throws Exception {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
int rc = com.sun.tools.javac.Main.compile(args, pw);
if (rc != 0 )
throw new Exception("javac failed, rc=" + rc);
return sw.toString();
}
String javap(String... args) throws Exception {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
int rc = com.sun.tools.javap.Main.run(args, pw);
if (rc != 0 )
throw new Exception("javap failed, rc=" + rc);
return sw.toString();
}
String read(File f) throws IOException {
StringBuilder sb = new StringBuilder();
BufferedReader in = new BufferedReader(new FileReader(f));
try {
String line;
while ((line = in.readLine()) != null ) {
sb.append(line);
sb.append('\n' );
}
} finally {
in.close();
}
return sb.toString();
}
// return those lines beginning "public static final"
String filter(String s) throws IOException {
StringBuilder sb = new StringBuilder();
BufferedReader in = new BufferedReader(new StringReader(s));
try {
String line;
while ((line = in.readLine()) != null ) {
if (line.indexOf("public static final" ) > 0 ) {
sb.append(line.trim());
sb.append('\n' );
}
}
} finally {
in.close();
}
return sb.toString();
}
}
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