1/*
2 * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 4984872
27 * @summary Basic tests of toPlainString method
28 * @run main ToPlainStringTests
29 * @run main/othervm -XX:+AggressiveOpts ToPlainStringTests
30 * @author Joseph D. Darcy
31 */
32
33import java.math.*;
34
35public class ToPlainStringTests {
36    public static void main(String argv[]) {
37        String [][] testCases = {
38            {"0",                       "0"},
39            {"1",                       "1"},
40            {"10",                      "10"},
41            {"2e1",                     "20"},
42            {"3e2",                     "300"},
43            {"4e3",                     "4000"},
44            {"5e4",                     "50000"},
45            {"6e5",                     "600000"},
46            {"7e6",                     "7000000"},
47            {"8e7",                     "80000000"},
48            {"9e8",                     "900000000"},
49            {"1e9",                     "1000000000"},
50
51            {".0",                      "0.0"},
52            {".1",                      "0.1"},
53            {".10",                     "0.10"},
54            {"1e-1",                    "0.1"},
55            {"1e-1",                    "0.1"},
56            {"2e-2",                    "0.02"},
57            {"3e-3",                    "0.003"},
58            {"4e-4",                    "0.0004"},
59            {"5e-5",                    "0.00005"},
60            {"6e-6",                    "0.000006"},
61            {"7e-7",                    "0.0000007"},
62            {"8e-8",                    "0.00000008"},
63            {"9e-9",                    "0.000000009"},
64            {"9000e-12",                "0.000000009000"},
65
66            {"9000e-22",                 "0.0000000000000000009000"},
67            {"12345678901234567890",     "12345678901234567890"},
68            {"12345678901234567890e22",  "123456789012345678900000000000000000000000"},
69            {"12345678901234567890e-22", "0.0012345678901234567890"},
70        };
71
72        int errors = 0;
73        for(String[] testCase: testCases) {
74            BigDecimal bd = new BigDecimal(testCase[0]);
75            String s;
76
77            if (!(s=bd.toPlainString()).equals(testCase[1])) {
78                errors++;
79                System.err.println("Unexpected plain result ``" +
80                                   s + "'' from BigDecimal " +
81                                   bd);
82            }
83            bd = new BigDecimal("-"+testCase[0]);
84            if (bd.signum()!=0 && !(s=(bd.toPlainString())).equals("-"+testCase[1])) {
85                errors++;
86                System.err.println("Unexpected plain result ``" +
87                                   s + "'' from BigDecimal " +
88                                   bd);
89            }
90        }
91
92        if(errors > 0)
93            throw new RuntimeException(errors + " errors during run.");
94    }
95}
96