/* * Copyright (c) 2004, 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."); } }