/* * Copyright (c) 2003, 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. */ import org.testng.annotations.Test; import static org.testng.Assert.assertEquals; /** * @test * @bug 4914802 8257511 * @summary Test StringBuilder.insert sanity tests * @run testng/othervm -XX:-CompactStrings Insert * @run testng/othervm -XX:+CompactStrings Insert */ @Test public class Insert { public void insertFalse() { // Caused an infinite loop before 4914802 StringBuilder sb = new StringBuilder(); assertEquals("false", sb.insert(0, false).toString()); } public void insertOffset() { // 8254082 made the String variant cause an AIOOBE, fixed in 8257511 assertEquals("efabc", new StringBuilder("abc").insert(0, "def", 1, 3).toString()); assertEquals("efabc", new StringBuilder("abc").insert(0, new StringBuilder("def"), 1, 3).toString()); // insert(I[CII) and insert(ILjava/lang/CharSequence;II) are inconsistently specified assertEquals("efabc", new StringBuilder("abc").insert(0, new char[] {'d', 'e', 'f'}, 1, 2).toString()); } }