1 /* 2 * Copyright (c) 2019, 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.lang.invoke.CallSite; 25 import java.lang.invoke.MethodHandles; 26 import java.lang.invoke.MethodType; 27 import java.lang.invoke.StringConcatFactory; 28 29 /** 30 * @test 31 * @summary StringConcatFactory allow recipes with repeated constants, but this 32 * is not expressible with java code and needs an explicit sanity test 33 * @bug 8222852 34 * 35 * @compile StringConcatFactoryRepeatedConstants.java 36 * 37 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB StringConcatFactoryRepeatedConstants 38 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED StringConcatFactoryRepeatedConstants 39 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED StringConcatFactoryRepeatedConstants 40 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT StringConcatFactoryRepeatedConstants 41 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT StringConcatFactoryRepeatedConstants 42 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT StringConcatFactoryRepeatedConstants 43 * 44 */ 45 public class StringConcatFactoryRepeatedConstants { 46 47 public static void main(String[] args) throws Throwable { 48 49 CallSite site = StringConcatFactory.makeConcatWithConstants( 50 MethodHandles.lookup(), 51 "foo", 52 MethodType.methodType(String.class), 53 "\u0002\u0002", 54 "foo", "bar" 55 ); 56 String string = (String)site.dynamicInvoker().invoke(); 57 if (!"foobar".equals(string)) { 58 throw new IllegalStateException("Expected: foobar, got: " + string); 59 } 60 61 site = StringConcatFactory.makeConcatWithConstants( 62 MethodHandles.lookup(), 63 "foo", 64 MethodType.methodType(String.class), 65 "\u0002\u0002\u0002\u0002", 66 "foo", 17.0f, 4711L, "bar" 67 ); 68 string = (String)site.dynamicInvoker().invoke(); 69 StringBuilder sb = new StringBuilder(); 70 sb.append("foo").append(17.0f).append(4711L).append("bar"); 71 if (!sb.toString().equals(string)) { 72 throw new IllegalStateException("Expected: " + sb.toString() + ", got: " + string); 73 } 74 } 75 76 }