/* * Copyright (c) 2021, 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 8275670 * @library / /test/lib * @summary testing of ciReplay with nested BoundMethodHandles * @requires vm.flightRecorder != true & vm.compMode != "Xint" & vm.debug == true & vm.compiler2.enabled * @modules java.base/jdk.internal.misc * @build jdk.test.whitebox.WhiteBox * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI * compiler.ciReplay.TestLambdas */ package compiler.ciReplay; public class TestLambdas extends CiReplayBase { public static void main(String args[]) { new TestLambdas().runTest(false, TIERED_DISABLED_VM_OPTION); } @Override public void testAction() { positiveTest(TIERED_DISABLED_VM_OPTION); } @Override public String getTestClass() { return Test.class.getName(); } } class Test { public static void main(String[] args) { for (int i = 0; i < 20_000; i++) { test(i); } } static void test(int i) { concat_lambdas(); } // Create nested BoundMethodHandle using StringConcatHelper static boolean concat_lambdas() { String source = "0123456789abcdefgABCDEFG"; String result = ""; int max = 10; for (int cp = 0; cp < max; ++cp) { String regex = new String(Character.toChars(cp)); result = source.substring(0, 3) + regex + source.substring(3, 9) + regex + source.substring(9, 15) + regex + source.substring(15); } return result.equals("xyzzy"); } }