/* * Copyright (c) 2020, 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. * */ public class BasicLambdaApp { static boolean isRuntime; public static void main(String[] args) { isRuntime = (args.length == 1 && args[0].equals("run")) ? true : false; testNonCapturingLambda(); testCapturingLambda(); } static void testNonCapturingLambda() { doit(() -> { System.out.println("Hello from Lambda"); LambdaVerification.verifyCallerIsArchivedLambda(isRuntime); }); } static int lastX; static void testCapturingLambda() { lastX = -1; for (int i=0; i<10; i++) { final int x = i; doit(() -> { if (x != lastX + 1) { throw new RuntimeException(x + " != " + (lastX + 1)); } lastX = x; LambdaVerification.verifyCallerIsArchivedLambda(isRuntime); }); } } static void doit(Runnable t) { t.run(); } }