jdk

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/*
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 * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug     6359661 6366196
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 * @summary Unit test for corner cases of position encoding
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 * @author  Wei Tao
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 * @modules jdk.compiler/com.sun.tools.javac.util
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 * @run main T6366196
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 */
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import com.sun.tools.javac.util.*;
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public class T6366196 {
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    public static final int MIDLINE = Position.MAXPOS>>>Position.LINESHIFT; // 0x00200000
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    public static void main(String[] args) {
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        positiveTest(10, Position.MAXCOLUMN);
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        negativeTest(20, Position.MAXCOLUMN + 1);
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        positiveTest(MIDLINE, Position.MAXCOLUMN);
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        positiveTest(Position.MAXLINE, 40);
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        negativeTest(Position.MAXLINE, Position.MAXCOLUMN);
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        negativeTest(Position.MAXLINE + 1, 1);
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    }
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    public static void positiveTest(int line, int col) {
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        if (Position.encodePosition(line, col) == Position.NOPOS) {
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            throw new Error("test failed at line = " + line + ", column = " + col);
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        } else {
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            System.out.println("test passed at line = " + line + ", column = " + col);
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        }
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    }
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    public static void negativeTest(int line, int col) {
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        if (Position.encodePosition(line, col) != Position.NOPOS) {
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            throw new Error("test failed at line = " + line + ", column = " + col);
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        } else {
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            System.out.println("test passed at line = " + line + ", column = " + col);
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        }
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    }
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}
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