| /* |
| * 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8237950 |
| * @summary Test very long chain of StringBuilder append calls. |
| * @run main/othervm -Xbatch compiler.stringopts.TestLongStringConcat |
| */ |
| |
| package compiler.stringopts; |
| |
| public class TestLongStringConcat { |
| |
| public static String test() { |
| return (new StringBuilder("")).append("1").append("2").append("3").append("4"). |
| append("5").append("6").append("7").append("8").append("9").append("10"). |
| append("11").append("12").append("13").append("14").append("15").append("16"). |
| append("17").append("18").append("19").append("20").append("21").append("22"). |
| append("23").append("24").append("25").append("26").append("27").append("28"). |
| append("29").append("30").append("31").append("32").append("33").append("34"). |
| append("35").append("36").append("37").append("38").append("39").append("40"). |
| append("41").append("42").append("43").append("44").append("45").append("46"). |
| append("47").append("48").append("49").append("50").append("51").append("52"). |
| append("53").append("54").append("55").append("56").append("57").append("58"). |
| append("59").append("60").append("61").append("62").append("63").append("64"). |
| append("65").append("66").append("67").append("68").append("69").append("70"). |
| append("71").append("72").append("73").append("74").append("75").append("76"). |
| append("77").append("78").append("79").append("80").append("81").append("82"). |
| append("83").append("84").append("85").append("86").append("87").append("88"). |
| append("89").append("90").append("91").append("92").append("93").append("94"). |
| append("95").append("96").append("97").append("98").append("99").append("100"). |
| append("101").append("102").append("103").append("104").append("105"). |
| append("106").append("107").append("108").append("109").append("110"). |
| append("111").append("112").append("113").append("114").append("115"). |
| append("116").append("117").append("118").append("119").append("120"). |
| append("121").append("122").append("123").append("124").append("125"). |
| append("126").append("127").append("128").append("129").append("130"). |
| append("131").append("132").append("133").append("134").append("135"). |
| append("136").append("137").append("138").append("139").append("140"). |
| append("141").append("142").append("143").append("144").append("145"). |
| append("146").append("147").append("148").append("149").append("150"). |
| append("151").append("152").append("153").append("154").append("155"). |
| append("156").append("157").append("158").append("159").append("160"). |
| append("161").append("162").append("163").append("164").append("165"). |
| append("166").append("167").append("168").append("169").append("170"). |
| append("171").append("172").append("173").append("174").append("175"). |
| append("176").append("177").append("178").append("179").append("180"). |
| append("181").append("182").append("183").append("184").append("185"). |
| append("186").append("187").append("188").append("189").append("190"). |
| append("191").append("192").append("193").append("194").append("195"). |
| append("196").append("197").append("198").append("199").append("200"). |
| toString(); |
| } |
| |
| public static void main(String[] args) { |
| for (int i = 0; i < 100_000; ++i) { |
| test(); |
| } |
| } |
| } |