1 /*

     2  * Copyright 2006 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     6359661 6366196

    27  * @summary Unit test for corner cases of position encoding

    28  * @author  Wei Tao

    29  * @run main T6366196

    30  */

    31 

    32 import com.sun.tools.javac.util.*;

    33 

    34 public class T6366196 {

    35     public static final int MIDLINE = Position.MAXPOS>>>Position.LINESHIFT; // 0x00200000

    36 

    37     public static void main(String[] args) {

    38         positiveTest(10, Position.MAXCOLUMN);

    39         negativeTest(20, Position.MAXCOLUMN + 1);

    40         positiveTest(MIDLINE, Position.MAXCOLUMN);

    41         positiveTest(Position.MAXLINE, 40);

    42         negativeTest(Position.MAXLINE, Position.MAXCOLUMN);

    43         negativeTest(Position.MAXLINE + 1, 1);

    44     }

    45 

    46     public static void positiveTest(int line, int col) {

    47         if (Position.encodePosition(line, col) == Position.NOPOS) {

    48             throw new Error("test failed at line = " + line + ", column = " + col);

    49         } else {

    50             System.out.println("test passed at line = " + line + ", column = " + col);

    51         }

    52     }

    53 

    54     public static void negativeTest(int line, int col) {

    55         if (Position.encodePosition(line, col) != Position.NOPOS) {

    56             throw new Error("test failed at line = " + line + ", column = " + col);

    57         } else {

    58             System.out.println("test passed at line = " + line + ", column = " + col);

    59         }

    60     }

    61 }