T6366196.java revision 0:9a66ca7c79fa 
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
32import com.sun.tools.javac.util.*;
33
34public 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}
62