1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test TestStableMismatched 26 * @bug 8158228 27 * @summary Tests if mismatched char load from stable byte[] returns correct result 28 * 29 * @run main/othervm -XX:-CompactStrings -XX:TieredStopAtLevel=1 -Xcomp 30 * -XX:CompileOnly=compiler.stable.TestStableMismatched::test,::charAt 31 * compiler.stable.TestStableMismatched 32 * @run main/othervm -XX:-CompactStrings -XX:-TieredCompilation -Xcomp 33 * -XX:CompileOnly=compiler.stable.TestStableMismatched::test,::charAt 34 * compiler.stable.TestStableMismatched 35 */ 36 37package compiler.stable; 38 39public class TestStableMismatched { 40 public static void main(String args[]) { 41 test(); 42 } 43 44 public static void test() { 45 String text = "abcdefg"; 46 // Mismatched char load from @Stable byte[] String.value field 47 char returned = text.charAt(6); 48 if (returned != 'g') { 49 throw new RuntimeException("failed: charAt(6) returned '" + returned + "' instead of 'g'"); 50 } 51 } 52} 53 54