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 import java.io.Serializable; 25 import java.lang.invoke.*; 26 import java.util.concurrent.Callable; 27 28 /** 29 * @test 30 * @summary StringConcatFactory exactness check produces bad bytecode when a non-arg concat is requested 31 * @bug 8148787 32 * 33 * @compile StringConcatFactoryEmptyMethods.java 34 * 35 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryEmptyMethods 36 * 37 */ 38 public class StringConcatFactoryEmptyMethods { 39 40 public static void main(String[] args) throws Throwable { 41 StringConcatFactory.makeConcat( 42 MethodHandles.lookup(), 43 "foo", 44 MethodType.methodType(String.class) 45 ); 46 47 StringConcatFactory.makeConcatWithConstants( 48 MethodHandles.lookup(), 49 "foo", 50 MethodType.methodType(String.class), 51 "" 52 ); 53 } 54 55 }