test/jdk/java/math/BigDecimal/ToPlainStringTests.java
author thartmann
Thu, 22 Mar 2018 08:39:51 +0100
changeset 49483 d374b1634589
parent 47216 71c04702a3d5
permissions -rw-r--r--
8199777: Deprecate -XX:+AggressiveOpts Summary: Deprecate -XX:+AggressiveOpts and remove it from testing. Reviewed-by: kvn, dholmes, shade
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/*
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 * Copyright (c) 2004, 2018, 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 4984872
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 * @summary Basic tests of toPlainString method
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 * @run main ToPlainStringTests
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 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox -XX:AutoBoxCacheMax=20000 ToPlainStringTests
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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 ToPlainStringTests {
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    public static void main(String argv[]) {
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        String [][] testCases = {
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            {"0",                       "0"},
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            {"1",                       "1"},
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            {"10",                      "10"},
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            {"2e1",                     "20"},
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            {"3e2",                     "300"},
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            {"4e3",                     "4000"},
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            {"5e4",                     "50000"},
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            {"6e5",                     "600000"},
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            {"7e6",                     "7000000"},
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            {"8e7",                     "80000000"},
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            {"9e8",                     "900000000"},
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            {"1e9",                     "1000000000"},
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            {".0",                      "0.0"},
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            {".1",                      "0.1"},
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            {".10",                     "0.10"},
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            {"1e-1",                    "0.1"},
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            {"1e-1",                    "0.1"},
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            {"2e-2",                    "0.02"},
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            {"3e-3",                    "0.003"},
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            {"4e-4",                    "0.0004"},
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            {"5e-5",                    "0.00005"},
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            {"6e-6",                    "0.000006"},
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            {"7e-7",                    "0.0000007"},
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            {"8e-8",                    "0.00000008"},
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            {"9e-9",                    "0.000000009"},
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            {"9000e-12",                "0.000000009000"},
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            {"9000e-22",                 "0.0000000000000000009000"},
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            {"12345678901234567890",     "12345678901234567890"},
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            {"12345678901234567890e22",  "123456789012345678900000000000000000000000"},
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            {"12345678901234567890e-22", "0.0012345678901234567890"},
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        };
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        int errors = 0;
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        for(String[] testCase: testCases) {
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            BigDecimal bd = new BigDecimal(testCase[0]);
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            String s;
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            if (!(s=bd.toPlainString()).equals(testCase[1])) {
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                errors++;
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                System.err.println("Unexpected plain result ``" +
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                                   s + "'' from BigDecimal " +
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                                   bd);
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            }
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            bd = new BigDecimal("-"+testCase[0]);
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            if (bd.signum()!=0 && !(s=(bd.toPlainString())).equals("-"+testCase[1])) {
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                errors++;
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                System.err.println("Unexpected plain result ``" +
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                                   s + "'' from BigDecimal " +
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                                   bd);
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            }
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        }
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        if(errors > 0)
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            throw new RuntimeException(errors + " errors during run.");
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    }
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}