/*
 * Copyright (c) 2012, 2013, 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.
 */

/*
 * @test
 * @bug 8015701
 * @summary javac should generate method parameters correctly.
 * @compile -parameters CaptureTest.java
 * @run main CaptureTest
 */
import java.lang.Class;
import java.lang.reflect.Constructor;
import java.lang.reflect.Parameter;
import java.lang.reflect.Modifier;
import java.util.List;
import java.util.ArrayList;

public class CaptureTest {

    private static final int SYNTHETIC = 0x1000;
    private static final int MANDATED = 0x8000;

    private final String[] Inner_names = {
        "this$0",
        "startSize",
        "val$message"
    };

    private final int[] Inner_modifiers = {
        Modifier.FINAL | MANDATED,
        Modifier.FINAL,
        Modifier.FINAL | SYNTHETIC
    };

    private final Class[] Inner_types = {
        ParameterNames.class,
        int.class,
        String.class
    };

    private final String[] Anon_names = {
        "this$0",
        "val$message"
    };

    private final int[] Anon_modifiers = {
        Modifier.FINAL | MANDATED,
        Modifier.FINAL | SYNTHETIC        
    };

    private final Class[] Anon_types = {
        ParameterNames.class,
        String.class
    };

    public static void main(String... args) throws Exception {
        new CaptureTest().run();
    }

    private void checkConstructor(final Class<?> cls,
                                  final String[] names,
                                  final int[] modifiers,
                                  final Class[] types) {
        Constructor<?> ctor = cls.getDeclaredConstructors()[0];
        Parameter[] params = ctor.getParameters();

        if(params.length == names.length) {
            for(int i = 0; i < names.length; i++) {
                System.err.println("Testing parameter " + params[i].getName());
                if(!params[i].getName().equals(names[i]))
                    error("Expected parameter name " + names[i] +
                          " got " + params[i].getName());
                if(params[i].getModifiers() != modifiers[i])
                    error("Expected parameter modifiers " +
                          Modifier.toString(modifiers[i]) +
                          " got " +
                          Modifier.toString(params[i].getModifiers()));
                if(!params[i].getType().equals(types[i]))
                    error("Expected parameter type " + types[i] +
                          " got " + params[i].getType());
            }
        } else
            error("Expected " + names.length + " parameters");

    }

    private void run() throws Exception {
        checkConstructor(new ParameterNames().makeInner("hello").getClass(),
                         Inner_names, Inner_modifiers, Inner_types);
        checkConstructor(new ParameterNames().makeAnon("hello").getClass(),
                         Anon_names, Anon_modifiers, Anon_types);
        checkConstructor(new ParameterNames().makeAnonExtendsInner("hello").getClass(),
                         Inner_names, Inner_modifiers, Inner_types);

        if(0 != errors)
            throw new Exception("MethodParameters test failed with " +
                                errors + " errors");
    }

    private void error(final String msg) {
        System.err.println("Error: " + msg);
        errors++;
    }

    int errors;
}

class ParameterNames {
    public ArrayList<String> makeInner(final String message) {
        class InnerList extends ArrayList<String> {
            public InnerList(final int startSize) {
                super(startSize);
                add(message);
            }
        }

        return new InnerList(2);
    }

    public ArrayList<String> makeAnonExtendsInner(final String message) {
        class InnerList extends ArrayList<String> {
            public InnerList(final int startSize) {
                super(startSize);
                add(message);
            }
        }

        return new InnerList(2) {};
    }

    public List<String> makeAnon(final String message) {
        return new ArrayList<String>() {
            public String get(final int index) {
                if (index == -1)
                    return message;
                else
                    return super.get(index);
            }
        };
    }
}