/*
 * Copyright (c) 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 8006582
 * @summary javac should generate method parameters correctly.
 * @build Tester
 * @compile -parameters LambdaTest.java
 * @run main Tester LambdaTest LambdaTest.out
 */

/**
 * Parameter names are not recorded for lambdas. This test verifies
 * that there are no MethodParameters attribute for lambdas.
 */
class LambdaTest {

    interface I {
        int m(int x);
    }

    static int foo(I i) { return i.m(0); }

    static {
        foo((int x1) -> { return foo((int x2) -> { return x1 + x2; }); });
    }
}



