/*

 * 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.

 */

/*

 * @test 6420151

 * @summary Compile a group of files and validate the set of class files produced

 * @run main Test1b -XDcompilePolicy=byfile A.java B.java D.java

 */

/*

 * @test 6420151

 * @summary Compile a group of files and validate the set of class files produced

 * @run main Test1b -XDcompilePolicy=byfile A.java C.java D.java

 */

/*

 * @test 6420151

 * @summary Compile a group of files and validate the set of class files produced

 * @run main Test1b -XDcompilePolicy=simple A.java B.java D.java

 */

/*

 * @test 6420151

 * @summary Compile a group of files and validate the set of class files produced

 * @run main Test1b -XDcompilePolicy=simple A.java C.java D.java

 */

// These test cases should be uncommented when the default compile policy is

// changed to "byfile".  While the default policy is "bytodo", the test cases fail

///*

// * @test 6420151

// * @summary Compile a group of files and validate the set of class files produced

// * @run main Test1b A.java B.java D.java

// */

//

///*

// * @test 6420151

// * @summary Compile a group of files and validate the set of class files produced

// * @run main Test1b A.java C.java D.java

// */

// These test cases are retained for debugging; if uncommented, they show that

// to bytodo mode fails the "all or none" class file test

///*

// * @test 6420151

// * @summary Compile a group of files and validate the set of class files produced

// * @run main Test1b -XDcompilePolicy=bytodo A.java B.java D.java

// */

//

///*

// * @test 6420151

// * @summary Compile a group of files and validate the set of class files produced

// * @run main Test1b -XDcompilePolicy=bytodo A.java C.java D.java

// */

import java.io.File;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class Test1b

{

    public static void main(String... args) throws Exception {

        new Test1b().run(args);

    }

    void run(String... args) throws Exception {

        File testSrcDir = new File(System.getProperty("test.src"));

        File tmpClassDir = new File(".");

        List<String> l = new ArrayList<String>();

        l.add("-d");

        l.add(tmpClassDir.getPath());

        for (String a: args) {

            if (a.endsWith(".java"))

                l.add(new File(testSrcDir, a).getPath());

            else

                l.add(a);

        }

        StringWriter sw = new StringWriter();

        int rc = com.sun.tools.javac.Main.compile(l.toArray(new String[l.size()]), new PrintWriter(sw));

        System.err.println(sw);

        Pattern p = Pattern.compile("([A-Z]+).*");

        for (String name: tmpClassDir.list()) {

            if (name.endsWith(".class")) {

                Matcher m = p.matcher(name);

                if (m.matches()) {

                    found(m.group(1), name);

                }

            }

        }

        // for all classes that might have been compiled, check that

        // all the classes in the source file get generated, or none do.

        check("A", 3);

        check("B", 3);

        check("C", 3);

        check("D", 3);

        if (errors > 0)

            throw new Exception(errors + " errors");

    }

    void check(String prefix, int expect) {

        List<String> names = map.get(prefix);

        int found = (names == null ? 0 : names.size());

        if (found == 0 || found == expect) {

            System.err.println("Found " + found + " files for " + prefix + ": OK");

            return;

        }

        error("Found " + found + " files for " + prefix + ": expected 0 or " + expect + " " + names);

    }

    void found(String prefix, String name) {

        List<String> names = map.get(prefix);

        if (names == null) {

            names = new ArrayList<String>();

            map.put(prefix, names);

        }

        names.add(name);

    }

    void error(String message) {

        System.err.println(message);

        errors++;

    }

    Map<String,List<String>> map = new HashMap<String,List<String>>();

    int errors;

}