test/langtools/tools/javac/MethodParameters/LambdaTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8006582 8037546 8138729
 * @summary javac should generate method parameters correctly.
 * @modules jdk.jdeps/com.sun.tools.classfile
 * @build MethodParametersTester ClassFileVisitor ReflectionVisitor
 * @compile -parameters LambdaTest.java
 * @run main MethodParametersTester LambdaTest LambdaTest.out
 */

/**
 * Post https://bugs.openjdk.java.net/browse/JDK-8138729, this test verifies
 * that MethodParameters attribute are NOT emitted 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; }); });
    }
}