/*
 * Copyright (c) 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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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 */

/*
 * @test
 * @bug 8054213
 * @summary Check that toString method works properly for generic return type
 * obtained via reflection
 * @run main TestGenericReturnTypeToString
 */

import java.util.List;

public class TestGenericReturnTypeToString {

    private static final String FOO1_EXPECTED_RESULT = "TestGenericReturnTypeToString$" +
            "FirstInnerClassGeneric<Dummy>$SecondInnerClassGeneric<Dummy>";
    private static final String FOO2_EXPECTED_RESULT = "TestGenericReturnTypeToString$" +
            "FirstInnerClassGeneric<Dummy>$SecondInnerClass";
    private static final String FOO3_EXPECTED_RESULT = "TestGenericReturnTypeToString$" +
            "FirstInnerClass$SecondInnerClassGeneric<Dummy>";
    private static final String FOO4_EXPECTED_RESULT = "class " +
            "TestGenericReturnTypeToString$FirstInnerClass$SecondInnerClass";
    private static final String FOO5_EXPECTED_RESULT = "java.util.List<java.lang.String>";


    public static void main(String[] args) throws NoSuchMethodException {
        test("foo1", FOO1_EXPECTED_RESULT);
        test("foo2", FOO2_EXPECTED_RESULT);
        test("foo3", FOO3_EXPECTED_RESULT);
        test("foo4", FOO4_EXPECTED_RESULT);
        test("foo5", FOO5_EXPECTED_RESULT);
    }

    private static void test(String methodName, String expectedResult)
            throws NoSuchMethodException {
        if (!TestGenericReturnTypeToString.class.getMethod(methodName).
                getGenericReturnType().toString().equals(expectedResult)) {
            throw new RuntimeException("Expected " + expectedResult +
                    ", Actual: " + TestGenericReturnTypeToString.class
                    .getMethod(methodName).getGenericReturnType());
        }
    }


    public FirstInnerClassGeneric<Dummy>.SecondInnerClassGeneric<Dummy> foo1() {
        return null;
    }

    public FirstInnerClassGeneric<Dummy>.SecondInnerClass foo2() {
        return null;
    }

    public FirstInnerClass.SecondInnerClassGeneric<Dummy> foo3() {
        return null;
    }

    public FirstInnerClass.SecondInnerClass foo4() {
        return null;
    }

    public List<String> foo5() {
        return null;
    }

    public class FirstInnerClass {

        public class SecondInnerClassGeneric<T> {
        }

        public class SecondInnerClass {
        }
    }

    public class FirstInnerClassGeneric<T> {

        public class SecondInnerClassGeneric<T> {
        }

        public class SecondInnerClass {
        }
    }
}

class Dummy {
}