91 lines
3.5 KiB
Java
91 lines
3.5 KiB
Java
/*
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* Copyright (c) 2001, 2007, 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 4489146 5017980
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* @summary tests String constructors of BigInteger
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* @author Joseph D. Darcy
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*/
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import java.math.*;
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public class StringConstructor {
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public static void main(String [] argv) {
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// Good strings
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constructWithoutError("0", 0L);
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constructWithoutError("000000000000000000", 0L);
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constructWithoutError("1", 1L);
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constructWithoutError("-1", -1L);
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constructWithoutError("+1", +1L);
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constructWithoutError( "123456789123456789", 123456789123456789L);
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constructWithoutError("+123456789123456789", 123456789123456789L);
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constructWithoutError("-123456789123456789", -123456789123456789L);
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constructWithoutError(Integer.toString(Integer.MIN_VALUE),
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(long)Integer.MIN_VALUE);
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constructWithoutError(Integer.toString(Integer.MAX_VALUE),
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(long)Integer.MAX_VALUE);
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constructWithoutError(Long.toString(Long.MIN_VALUE),
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Long.MIN_VALUE);
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constructWithoutError(Long.toString(Long.MAX_VALUE),
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Long.MAX_VALUE);
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// Bad strings
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constructWithError("");
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constructWithError("-");
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constructWithError("+");
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constructWithError("--");
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constructWithError("++");
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constructWithError("-000-0");
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constructWithError("+000+0");
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constructWithError("+000-0");
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constructWithError("--1234567890");
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constructWithError("++1234567890");
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constructWithError("-0-12345678");
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constructWithError("+0+12345678");
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constructWithError("--12345678-12345678-12345678");
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constructWithError("++12345678+12345678+12345678");
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constructWithError("12345-");
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constructWithError("12345+");
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}
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// this method adapted from ../BigDecimal/StringConstructor.java
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private static void constructWithError(String badString) {
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try {
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BigInteger bi = new BigInteger(badString);
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throw new RuntimeException(badString + " accepted");
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} catch(NumberFormatException e) {
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}
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}
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private static void constructWithoutError(String goodString, long value) {
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BigInteger bi = new BigInteger(goodString);
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if(bi.longValue() != value) {
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System.err.printf("From ``%s'' expected %d, got %s.\n", goodString, value, bi);
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throw new RuntimeException();
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}
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}
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}
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