1 /*
2 * Copyright (c) 2003, 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 4108852
27 * @summary A few tests of stripTrailingZeros
28 * @run main StrippingZerosTest
29 * @run main/othervm -XX:+AggressiveOpts StrippingZerosTest
30 * @author Joseph D. Darcy
31 */
32
33 import java.math.*;
34
35 public class StrippingZerosTest {
36 public static void main(String argv[]) {
37 BigDecimal [][] testCases = {
38 {new BigDecimal("1.00000"), new BigDecimal("1")},
39 {new BigDecimal("1.000"), new BigDecimal("1")},
40 {new BigDecimal("1"), new BigDecimal("1")},
41 {new BigDecimal("0.1234"), new BigDecimal("0.1234")},
42 {new BigDecimal("0.12340"), new BigDecimal("0.1234")},
43 {new BigDecimal("0.12340000000"), new BigDecimal("0.1234")},
44 {new BigDecimal("1234.5678"), new BigDecimal("1234.5678")},
45 {new BigDecimal("1234.56780"), new BigDecimal("1234.5678")},
46 {new BigDecimal("1234.567800000"), new BigDecimal("1234.5678")},
47 {new BigDecimal("0"), new BigDecimal("0")},
48 {new BigDecimal("0e2"), BigDecimal.ZERO},
49 {new BigDecimal("0e-2"), BigDecimal.ZERO},
50 {new BigDecimal("0e42"), BigDecimal.ZERO},
51 {new BigDecimal("+0e42"), BigDecimal.ZERO},
52 {new BigDecimal("-0e42"), BigDecimal.ZERO},
53 {new BigDecimal("0e-42"), BigDecimal.ZERO},
54 {new BigDecimal("+0e-42"), BigDecimal.ZERO},
55 {new BigDecimal("-0e-42"), BigDecimal.ZERO},
56 {new BigDecimal("0e-2"), BigDecimal.ZERO},
57 {new BigDecimal("0e100"), BigDecimal.ZERO},
58 {new BigDecimal("0e-100"), BigDecimal.ZERO},
59 {new BigDecimal("10"), new BigDecimal("1e1")},
60 {new BigDecimal("20"), new BigDecimal("2e1")},
61 {new BigDecimal("100"), new BigDecimal("1e2")},
62 {new BigDecimal("1000000000"), new BigDecimal("1e9")},
63 {new BigDecimal("100000000e1"), new BigDecimal("1e9")},
64 {new BigDecimal("10000000e2"), new BigDecimal("1e9")},
65 {new BigDecimal("1000000e3"), new BigDecimal("1e9")},
66 {new BigDecimal("100000e4"), new BigDecimal("1e9")},
67 // BD value which larger than Long.MaxValue
68 {new BigDecimal("1.0000000000000000000000000000"), new BigDecimal("1")},
69 {new BigDecimal("-1.0000000000000000000000000000"), new BigDecimal("-1")},
70 {new BigDecimal("1.00000000000000000000000000001"), new BigDecimal("1.00000000000000000000000000001")},
71 {new BigDecimal("1000000000000000000000000000000e4"), new BigDecimal("1e34")},
72 };
73
74 for(int i = 0; i < testCases.length; i++) {
75
76 if (!(testCases[i][0]).stripTrailingZeros().equals(testCases[i][1])) {
77 throw new RuntimeException("For input " + testCases[i][0].toString() +
78 " did not received expected result " +
79 testCases[i][1].toString() + ", got " +
80 testCases[i][0].stripTrailingZeros());
81 }
82
83 testCases[i][0] = testCases[i][0].negate();
84 testCases[i][1] = testCases[i][1].negate();
85
86 if (!(testCases[i][0]).stripTrailingZeros().equals(testCases[i][1])) {
87 throw new RuntimeException("For input " + testCases[i][0].toString() +
88 " did not received expected result " +
89 testCases[i][1].toString() + ", got " +
90 testCases[i][0].stripTrailingZeros());
91 }
92
93 }
94 }
95 }