| /* |
| * Copyright (c) 2004, 2011, 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 4984872 |
| * @summary Basic tests of toPlainString method |
| * @run main ToPlainStringTests |
| * @run main/othervm -XX:+AggressiveOpts ToPlainStringTests |
| * @author Joseph D. Darcy |
| */ |
| |
| import java.math.*; |
| |
| public class ToPlainStringTests { |
| public static void main(String argv[]) { |
| String [][] testCases = { |
| {"0", "0"}, |
| {"1", "1"}, |
| {"10", "10"}, |
| {"2e1", "20"}, |
| {"3e2", "300"}, |
| {"4e3", "4000"}, |
| {"5e4", "50000"}, |
| {"6e5", "600000"}, |
| {"7e6", "7000000"}, |
| {"8e7", "80000000"}, |
| {"9e8", "900000000"}, |
| {"1e9", "1000000000"}, |
| |
| {".0", "0.0"}, |
| {".1", "0.1"}, |
| {".10", "0.10"}, |
| {"1e-1", "0.1"}, |
| {"1e-1", "0.1"}, |
| {"2e-2", "0.02"}, |
| {"3e-3", "0.003"}, |
| {"4e-4", "0.0004"}, |
| {"5e-5", "0.00005"}, |
| {"6e-6", "0.000006"}, |
| {"7e-7", "0.0000007"}, |
| {"8e-8", "0.00000008"}, |
| {"9e-9", "0.000000009"}, |
| {"9000e-12", "0.000000009000"}, |
| |
| {"9000e-22", "0.0000000000000000009000"}, |
| {"12345678901234567890", "12345678901234567890"}, |
| {"12345678901234567890e22", "123456789012345678900000000000000000000000"}, |
| {"12345678901234567890e-22", "0.0012345678901234567890"}, |
| }; |
| |
| int errors = 0; |
| for(String[] testCase: testCases) { |
| BigDecimal bd = new BigDecimal(testCase[0]); |
| String s; |
| |
| if (!(s=bd.toPlainString()).equals(testCase[1])) { |
| errors++; |
| System.err.println("Unexpected plain result ``" + |
| s + "'' from BigDecimal " + |
| bd); |
| } |
| bd = new BigDecimal("-"+testCase[0]); |
| if (bd.signum()!=0 && !(s=(bd.toPlainString())).equals("-"+testCase[1])) { |
| errors++; |
| System.err.println("Unexpected plain result ``" + |
| s + "'' from BigDecimal " + |
| bd); |
| } |
| } |
| |
| if(errors > 0) |
| throw new RuntimeException(errors + " errors during run."); |
| } |
| } |