aoqi@0: /*
aoqi@0:  * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 4880663 6715757 7031005
aoqi@0:  * @summary javap could output whitespace between class name and opening brace
aoqi@0:  *          javap prints "extends java.lang.Object"
aoqi@0:  */
aoqi@0: 
aoqi@0: 
aoqi@0: import java.io.*;
aoqi@0: 
aoqi@0: public class T4880663 {
aoqi@0:     public static void main(String[] args) throws Exception {
aoqi@0:         new T4880663().run();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void run() throws IOException {
aoqi@0:         File javaFile = writeTestFile();
aoqi@0:         File classFile = compileTestFile(javaFile);
aoqi@0:         verify(classFile, "class Test {");
aoqi@0: 
aoqi@0:         if (errors > 0)
aoqi@0:             throw new Error(errors + " found.");
aoqi@0:     }
aoqi@0: 
aoqi@0:     File writeTestFile() throws IOException {
aoqi@0:         File f = new File("Test.java");
aoqi@0:         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
aoqi@0:         out.println("class Test { }");
aoqi@0:         out.close();
aoqi@0:         return f;
aoqi@0:     }
aoqi@0: 
aoqi@0:     File compileTestFile(File f) {
aoqi@0:         int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
aoqi@0:         if (rc != 0)
aoqi@0:             throw new Error("compilation failed. rc=" + rc);
aoqi@0:         String path = f.getPath();
aoqi@0:         return new File(path.substring(0, path.length() - 5) + ".class");
aoqi@0:     }
aoqi@0: 
aoqi@0:     String javap(File classFile) {
aoqi@0:         StringWriter sw = new StringWriter();
aoqi@0:         PrintWriter out = new PrintWriter(sw);
aoqi@0:         int rc = com.sun.tools.javap.Main.run(new String[] { classFile.getPath() }, out);
aoqi@0:         if (rc != 0)
aoqi@0:             throw new Error("javap failed. rc=" + rc);
aoqi@0:         out.close();
aoqi@0:         System.out.println(sw.toString());
aoqi@0:         return sw.toString();
aoqi@0:     }
aoqi@0: 
aoqi@0:     void verify(File classFile, String... expects) {
aoqi@0:         String output = javap(classFile);
aoqi@0:         for (String expect: expects) {
aoqi@0:             if (output.indexOf(expect)< 0)
aoqi@0:                 error(expect + " not found");
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     void error(String msg) {
aoqi@0:         System.err.println(msg);
aoqi@0:         errors++;
aoqi@0:     }
aoqi@0: 
aoqi@0:     int errors;
aoqi@0: }