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.  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  * @summary testing the canonical constructor for records
  29  * @modules jdk.compiler/com.sun.tools.javac.util
  30  */
  31 
  32 import com.sun.tools.javac.util.Assert;
  33 
  34 public class CanonicalConstructorTest {
  35     record R1(int i, int j) {}
  36     record R2(int i, int j) {
  37         public R2 {}
  38     }
  39     record R3(int i, int j) {
  40         public R3 {
  41             this.i = i;
  42         }
  43     }
  44     record R4(int i, int j) {
  45         public R4 {
  46             this.i = i;
  47             this.j = j;
  48         }
  49     }
  50 
  51     public static void main(String... args) {
  52         R1 r1 = new R1(1, 2);
  53         R2 r2 = new R2(1, 2);
  54         R3 r3 = new R3(1, 2);
  55         R4 r4 = new R4(1, 2);
  56 
  57         Assert.check(r1.i == r2.i && r2.i == r3.i &&
  58                 r3.i == r4.i && r4.i == 1 &&
  59                 r1.j == r2.j && r2.j == r3.j &&
  60                 r3.j == r4.j && r4.j == 2, "unexpected value of record component");
  61     }
  62 }