1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
// Test of the method BigDecimal.multiply()
// Copyright 2012 Red Hat, Inc.
// Written by Pavel Tisnovsky <ptisnovs@redhat.com>
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
//
// Tags: JDK1.5
package gnu.testlet.java.math.BigDecimal;
import java.math.BigDecimal;
import java.math.MathContext;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* Check for method BigDecimal.multiply()
*/
public class multiply implements Testlet
{
/**
* Entry point to this test.
*/
public void test(TestHarness harness)
{
test1(harness);
test2(harness, new MathContext(0));
test3(harness, new MathContext(1));
test4(harness);
}
/**
* Basic tests
*/
private void test1(TestHarness harness)
{
BigDecimal secondNumber = new BigDecimal("2");
harness.check(((new BigDecimal("2")).multiply(secondNumber).toString()).equals("4"));
harness.check(((new BigDecimal("-2")).multiply(secondNumber).toString()).equals("-4"));
harness.check(((new BigDecimal("+0.000")).multiply(secondNumber).toString()).equals("0.000"));
harness.check(((new BigDecimal("00.000")).multiply(secondNumber).toString()).equals("0.000"));
harness.check(((new BigDecimal("-0.000")).multiply(secondNumber).toString()).equals("0.000"));
harness.check(((new BigDecimal("2000000")).multiply(secondNumber).toString()).equals("4000000"));
harness.check(((new BigDecimal("0.2")).multiply(secondNumber).toString()).equals("0.4"));
harness.check(((new BigDecimal("-0.2")).multiply(secondNumber).toString()).equals("-0.4"));
harness.check(((new BigDecimal("0.01")).multiply(secondNumber).toString()).equals("0.02"));
harness.check(((new BigDecimal("-0.01")).multiply(secondNumber).toString()).equals("-0.02"));
}
/**
* Tests using MathContext
*/
private void test2(TestHarness harness, MathContext mathContext)
{
BigDecimal secondNumber = new BigDecimal("2");
harness.check(((new BigDecimal("2")).multiply(secondNumber, mathContext).toString()).equals("4"));
harness.check(((new BigDecimal("-2")).multiply(secondNumber, mathContext).toString()).equals("-4"));
harness.check(((new BigDecimal("+0.000")).multiply(secondNumber, mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("00.000")).multiply(secondNumber, mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("-0.000")).multiply(secondNumber, mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("2000000")).multiply(secondNumber, mathContext).toString()).equals("4000000"));
harness.check(((new BigDecimal("0.2")).multiply(secondNumber, mathContext).toString()).equals("0.4"));
harness.check(((new BigDecimal("-0.2")).multiply(secondNumber, mathContext).toString()).equals("-0.4"));
harness.check(((new BigDecimal("0.01")).multiply(secondNumber, mathContext).toString()).equals("0.02"));
harness.check(((new BigDecimal("-0.01")).multiply(secondNumber, mathContext).toString()).equals("-0.02"));
}
/**
* Tests using MathContext
*/
private void test3(TestHarness harness, MathContext mathContext)
{
BigDecimal secondNumber = new BigDecimal("2");
harness.check(((new BigDecimal("2")).multiply(secondNumber, mathContext).toString()).equals("4"));
harness.check(((new BigDecimal("-2")).multiply(secondNumber, mathContext).toString()).equals("-4"));
harness.check(((new BigDecimal("+0.000")).multiply(secondNumber, mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("00.000")).multiply(secondNumber, mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("-0.000")).multiply(secondNumber, mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("2000000")).multiply(secondNumber, mathContext).toString()).equals("4E+6"));
harness.check(((new BigDecimal("0.2")).multiply(secondNumber, mathContext).toString()).equals("0.4"));
harness.check(((new BigDecimal("-0.2")).multiply(secondNumber, mathContext).toString()).equals("-0.4"));
harness.check(((new BigDecimal("0.01")).multiply(secondNumber, mathContext).toString()).equals("0.02"));
harness.check(((new BigDecimal("-0.01")).multiply(secondNumber, mathContext).toString()).equals("-0.02"));
}
/**
* Various MathContext usage
*/
private void test4(TestHarness harness)
{
BigDecimal secondNumber = new BigDecimal("2");
harness.check(((new BigDecimal("2000000")).multiply(secondNumber, new MathContext(0)).toString()).equals("4000000"));
harness.check(((new BigDecimal("2000000")).multiply(secondNumber, new MathContext(1)).toString()).equals("4E+6"));
harness.check(((new BigDecimal("2000000")).multiply(secondNumber, new MathContext(2)).toString()).equals("4.0E+6"));
harness.check(((new BigDecimal("2000000")).multiply(secondNumber, new MathContext(3)).toString()).equals("4.00E+6"));
}
}
|
