1 /* 2 * Copyright (c) 2018, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * @test 28 * @bug 8204610 29 * @summary Compiler confused by parenthesized "this" in final fields assignments 30 * @library /tools/javac/lib 31 * @modules jdk.compiler/com.sun.tools.javac.api 32 * jdk.compiler/com.sun.tools.javac.code 33 * jdk.compiler/com.sun.tools.javac.comp 34 * jdk.compiler/com.sun.tools.javac.main 35 * jdk.compiler/com.sun.tools.javac.tree 36 * jdk.compiler/com.sun.tools.javac.util 37 * @build combo.ComboTestHelper 38 39 * @run main T8204610 40 */ 41 42 import combo.ComboInstance; 43 import combo.ComboParameter; 44 import combo.ComboTask.Result; 45 import combo.ComboTestHelper; 46 47 public class T8204610 extends ComboInstance<T8204610> { 48 49 enum ParenKind implements ComboParameter { 50 NONE(""), 51 ONE("#P"), 52 TWO("#P#P"), 53 THREE("#P#P#P"); 54 55 String parensTemplate; 56 ParenKind(String parensTemplate)57 ParenKind(String parensTemplate) { 58 this.parensTemplate = parensTemplate; 59 } 60 61 @Override expand(String optParameter)62 public String expand(String optParameter) { 63 return parensTemplate.replaceAll("#P", optParameter.equals("OPEN") ? "(" : ")"); 64 } 65 } 66 main(String... args)67 public static void main(String... args) { 68 new ComboTestHelper<T8204610>() 69 .withArrayDimension("PAREN", (x, pk, idx) -> x.parenKinds[idx] = pk, 3, ParenKind.values()) 70 .run(T8204610::new); 71 } 72 73 ParenKind[] parenKinds = new ParenKind[3]; 74 75 @Override doWork()76 public void doWork() { 77 newCompilationTask() 78 .withSourceFromTemplate(bodyTemplate) 79 .analyze(this::check); 80 } 81 82 String bodyTemplate = "class Test {\n" + 83 " final int x;\n" + 84 " Test() {\n" + 85 " #{PAREN[0].OPEN} #{PAREN[1].OPEN} this #{PAREN[1].CLOSE} . #{PAREN[2].OPEN} x #{PAREN[2].CLOSE} #{PAREN[0].CLOSE} = 1;\n" + 86 " } }"; 87 check(Result<?> res)88 void check(Result<?> res) { 89 boolean expectedFail = parenKinds[2] != ParenKind.NONE; 90 if (expectedFail != res.hasErrors()) { 91 fail("unexpected compilation result for source:\n" + 92 res.compilationInfo()); 93 } 94 } 95 } 96