1/* 2 * Copyright (c) 2006, 2015, 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 */ 23 24/* 25 * @test 26 * @bug 6359661 6366196 27 * @summary Unit test for corner cases of position encoding 28 * @author Wei Tao 29 * @modules jdk.compiler/com.sun.tools.javac.util 30 * @run main T6366196 31 */ 32 33import com.sun.tools.javac.util.*; 34 35public class T6366196 { 36 public static final int MIDLINE = Position.MAXPOS>>>Position.LINESHIFT; // 0x00200000 37 38 public static void main(String[] args) { 39 positiveTest(10, Position.MAXCOLUMN); 40 negativeTest(20, Position.MAXCOLUMN + 1); 41 positiveTest(MIDLINE, Position.MAXCOLUMN); 42 positiveTest(Position.MAXLINE, 40); 43 negativeTest(Position.MAXLINE, Position.MAXCOLUMN); 44 negativeTest(Position.MAXLINE + 1, 1); 45 } 46 47 public static void positiveTest(int line, int col) { 48 if (Position.encodePosition(line, col) == Position.NOPOS) { 49 throw new Error("test failed at line = " + line + ", column = " + col); 50 } else { 51 System.out.println("test passed at line = " + line + ", column = " + col); 52 } 53 } 54 55 public static void negativeTest(int line, int col) { 56 if (Position.encodePosition(line, col) != Position.NOPOS) { 57 throw new Error("test failed at line = " + line + ", column = " + col); 58 } else { 59 System.out.println("test passed at line = " + line + ", column = " + col); 60 } 61 } 62} 63