| /* |
| * Copyright (c) 2001, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4489146 5017980 |
| * @summary tests String constructors of BigInteger |
| * @author Joseph D. Darcy |
| */ |
| import java.math.*; |
| |
| public class StringConstructor { |
| |
| |
| public static void main(String [] argv) { |
| // Good strings |
| constructWithoutError("0", 0L); |
| constructWithoutError("000000000000000000", 0L); |
| constructWithoutError("1", 1L); |
| constructWithoutError("-1", -1L); |
| constructWithoutError("+1", +1L); |
| constructWithoutError( "123456789123456789", 123456789123456789L); |
| constructWithoutError("+123456789123456789", 123456789123456789L); |
| constructWithoutError("-123456789123456789", -123456789123456789L); |
| constructWithoutError(Integer.toString(Integer.MIN_VALUE), |
| (long)Integer.MIN_VALUE); |
| constructWithoutError(Integer.toString(Integer.MAX_VALUE), |
| (long)Integer.MAX_VALUE); |
| constructWithoutError(Long.toString(Long.MIN_VALUE), |
| Long.MIN_VALUE); |
| constructWithoutError(Long.toString(Long.MAX_VALUE), |
| Long.MAX_VALUE); |
| |
| // Bad strings |
| constructWithError(""); |
| constructWithError("-"); |
| constructWithError("+"); |
| constructWithError("--"); |
| constructWithError("++"); |
| constructWithError("-000-0"); |
| constructWithError("+000+0"); |
| constructWithError("+000-0"); |
| constructWithError("--1234567890"); |
| constructWithError("++1234567890"); |
| constructWithError("-0-12345678"); |
| constructWithError("+0+12345678"); |
| constructWithError("--12345678-12345678-12345678"); |
| constructWithError("++12345678+12345678+12345678"); |
| constructWithError("12345-"); |
| constructWithError("12345+"); |
| } |
| |
| // this method adapted from ../BigDecimal/StringConstructor.java |
| private static void constructWithError(String badString) { |
| try { |
| BigInteger bi = new BigInteger(badString); |
| throw new RuntimeException(badString + " accepted"); |
| } catch(NumberFormatException e) { |
| } |
| } |
| |
| private static void constructWithoutError(String goodString, long value) { |
| BigInteger bi = new BigInteger(goodString); |
| if(bi.longValue() != value) { |
| System.err.printf("From ``%s'' expected %d, got %s.\n", goodString, value, bi); |
| throw new RuntimeException(); |
| } |
| } |
| |
| } |