test/tools/javac/generics/T6751514.java

Tue, 28 Dec 2010 15:54:52 -0800

author
ohair
date
Tue, 28 Dec 2010 15:54:52 -0800
changeset 798
4868a36f6fd8
parent 554
9d9f26857129
child 2525
2eb010b6cb22
permissions
-rw-r--r--

6962318: Update copyright year
Reviewed-by: xdono

     1 /*
     2  * Copyright (c) 2008, 2010, 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  */
    24 /*
    25  * @test
    26  * @bug     6751514
    27  * @summary Unary post-increment with type variables crash javac during lowering
    28  * @author Maurizio Cimadamore
    29  */
    31 public class T6751514 {
    33     static class Foo<X> {
    34         X x;
    35         Foo (X x) {
    36             this.x = x;
    37         }
    38     }
    40     static void test1(Foo<Integer> foo) {
    41         int start = foo.x;
    42         equals(foo.x += 1, start + 1);
    43         equals(foo.x++, start + 1);
    44         equals(++foo.x, start + 3);
    45         equals(foo.x--, start + 3);
    46         equals(foo.x -= 1, start + 1);
    47         equals(--foo.x, start);
    48     }
    50     static void test2(Foo<Integer> foo) {
    51         int start = foo.x;
    52         equals((foo.x) += 1, start + 1);
    53         equals((foo.x)++, start + 1);
    54         equals(++(foo.x), start + 3);
    55         equals((foo.x)--, start + 3);
    56         equals((foo.x) -= 1, start + 1);
    57         equals(--(foo.x), start);
    58     }
    60     static void test3(Foo<Integer> foo) {
    61         int start = foo.x;
    62         equals(((foo.x)) += 1, start + 1);
    63         equals(((foo.x))++, start + 1);
    64         equals(++((foo.x)), start + 3);
    65         equals(((foo.x))--, start + 3);
    66         equals(((foo.x)) -= 1, start + 1);
    67         equals(--((foo.x)), start);
    68     }
    70     public static void main(String[] args) {
    71         test1(new Foo<Integer>(1));
    72         test2(new Foo<Integer>(1));
    73         test3(new Foo<Integer>(1));
    74     }
    76     static void equals(int found, int req) {
    77         if (found != req) {
    78             throw new AssertionError("Error (expected: "+ req +
    79                                      " - found: " + found + ")");
    80         }
    81     }
    82 }

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