1 /*

     2  * Copyright 2000 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 4053875

    27  * @summary Verify correct treatment of '|', '&', and '^' in constant expression

    28  *          controlling loop. No 'return' statements are necessary, as the loops

    29  *          cannot terminate normally.

    30  *

    31  * @author maddox

    32  *

    33  * @run compile ConstantInfiniteWhile.java

    34 

    35 public class ConstantInfiniteWhile {

    36 

    37   int test1() {

    38     while ( false | true ) {}

    39   }

    40 

    41   int test2() {

    42     while ( true & true ) {}

    43   }

    44 

    45   int test3() {

    46     while ( false ^ true ) {}

    47   }

    48 

    49   // Just for grins...  (included in original bug report)

    50 

    51   int test4() {

    52     while ( false == false ) {}

    53   }

    54 

    55   int test5() {

    56     while ( 1 != 0 ) {}

    57   }

    58 

    59   int test6() {

    60     while ( 1 + 2 > 0 ) {}

    61   }

    62 

    63   int test7() {

    64     while ( true ? true : false ) {}

    65   }

    66 

    67 }