| /* |
| * Copyright (c) 2003, 2016, 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 4018937 |
| * @summary Confirm that DecimalFormat.parse() parses BigDecimal and BigInteger as expected. |
| */ |
| |
| import java.math.*; |
| import java.text.*; |
| import java.util.*; |
| |
| public class BigDecimalCompatibilityTest { |
| |
| static boolean err = false; |
| |
| static final String[] input_data = { |
| "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", |
| "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" |
| }; |
| static final String[] exponents = { |
| "E-100", "E100", "E-900", "E900", "" |
| }; |
| static final int[] multipliers = { |
| -1, 1, -100, 100, -9999, 9999 |
| }; |
| |
| public static void main(String[] args) throws Exception { |
| Locale loc = Locale.getDefault(); |
| Locale.setDefault(Locale.US); |
| |
| testBigDecimal(); |
| testBigInteger(); |
| |
| Locale.setDefault(loc); |
| |
| if (err) { |
| throw new RuntimeException("Error: Unexpected value"); |
| } |
| } |
| |
| static private void testBigDecimal() { |
| DecimalFormat df = new DecimalFormat(); |
| df.setParseBigDecimal(true); |
| df.setMaximumFractionDigits(Integer.MAX_VALUE); |
| |
| for (int i = 0; i < input_data.length; i++) { |
| for (int j = 0; j < input_data.length; j++) { |
| for (int k = 0; k < input_data.length; k++) { |
| for (int l = 0; l < input_data.length; l++) { |
| for (int m = 0; m < exponents.length; m++) { |
| String s = input_data[i] + input_data[j] + '.' + |
| input_data[k] + input_data[l] + |
| exponents[m]; |
| for (int n = 0; n < multipliers.length; n++) { |
| test(df, s, multipliers[n]); |
| test(df, '-'+s, multipliers[n]); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| static private void testBigInteger() { |
| DecimalFormat df = new DecimalFormat(); |
| df.setParseBigDecimal(true); |
| df.setMaximumFractionDigits(Integer.MAX_VALUE); |
| |
| for (int i = 0; i < input_data.length; i++) { |
| for (int j = 0; j < input_data.length; j++) { |
| String s = input_data[i] + input_data[j]; |
| for (int k = 0; k < multipliers.length; k++) { |
| test(df, s, multipliers[k]); |
| test(df, '-'+s, multipliers[k]); |
| } |
| } |
| } |
| } |
| |
| static void test(DecimalFormat df, String s, int multiplier) { |
| df.setMultiplier(multiplier); |
| |
| Number num = null; |
| try { |
| num = df.parse(s); |
| } |
| catch (ParseException e) { |
| err = true; |
| System.err.println("Failed: Exception occurred: " + e.getMessage()); |
| return; |
| } |
| |
| BigDecimal bd = new BigDecimal(s); |
| try { |
| bd = bd.divide(new BigDecimal(multiplier)); |
| } |
| catch (ArithmeticException e) { |
| bd = bd.divide(new BigDecimal(multiplier), BigDecimal.ROUND_HALF_EVEN); |
| } |
| check(num, bd, multiplier); |
| } |
| |
| static void check(Number got, BigDecimal expected, int multiplier) { |
| if (!got.equals(expected)) { |
| err = true; |
| System.err.println("Failed: got:" + got + |
| ", expected: " + expected + |
| ", multiplier=" + multiplier); |
| } |
| } |
| } |