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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// Test of Long method compareTo(Object).
// 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: JDK1.4
// Tags: CompileOptions: -source 1.4
package gnu.testlet.java.lang.Long;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* Test the method Long.compareTo(Object);
*/
public class compareToObject implements Testlet
{
public static final int LESS = -1;
public static final int EQUAL = 0;
public static final int GREATER = 1;
TestHarness harness;
void compare(Long i1, Object o, int expected)
{
// the result need not be -1, 0, 1; just <0, 0, >0
int result = i1.compareTo(o);
switch (expected)
{
case LESS:
harness.check(result < 0);
break;
case EQUAL:
harness.check(result == 0);
break;
case GREATER:
harness.check(result > 0);
break;
default:
throw new Error();
}
}
/**
* Entry point to this test.
*/
public void test(TestHarness harness)
{
this.harness = harness;
Long min = new Long(Long.MIN_VALUE);
Long negone = new Long(-1);
Long zero = new Long(0);
Long posone = new Long(1);
Long max = new Long(Long.MAX_VALUE);
harness.checkPoint("compareTo");
compare(min, min, EQUAL);
compare(min, negone, LESS);
compare(min, zero, LESS);
compare(min, posone, LESS);
compare(min, max, LESS);
compare(negone, min, GREATER);
compare(negone, negone, EQUAL);
compare(negone, zero, LESS);
compare(negone, posone, LESS);
compare(negone, max, LESS);
compare(zero, min, GREATER);
compare(zero, negone, GREATER);
compare(zero, zero, EQUAL);
compare(zero, posone, LESS);
compare(zero, max, LESS);
compare(posone, min, GREATER);
compare(posone, negone, GREATER);
compare(posone, zero, GREATER);
compare(posone, posone, EQUAL);
compare(posone, max, LESS);
compare(max, min, GREATER);
compare(max, negone, GREATER);
compare(max, zero, GREATER);
compare(max, posone, GREATER);
compare(max, max, EQUAL);
Object o = zero;
boolean ok;
harness.check(((Comparable)zero).compareTo(o) == 0);
ok = false;
try
{
zero.compareTo((Integer) null);
}
catch (NullPointerException e)
{
ok = true;
}
harness.check(ok);
ok = false;
try
{
((Comparable)zero).compareTo((Object) null);
}
catch (NullPointerException e)
{
ok = true;
}
harness.check(ok);
ok = false;
try
{
((Comparable)zero).compareTo(new Object());
}
catch (ClassCastException e)
{
ok = true;
}
harness.check(ok);
harness.checkPoint("negative test");
try {
Long a;
Byte b;
a = new Long(1);
b = new Byte((byte)1);
compare(a,b,1);
harness.fail("Exception should be thrown here.");
}
catch (ClassCastException e) {
// ok - exception was thrown
harness.check(true);
}
try {
Long a;
String b;
a = new Long(1);
b = "foobar";
compare(a,b,1);
harness.fail("Exception should be thrown here.");
}
catch (ClassCastException e) {
// ok - exception was thrown
harness.check(true);
}
}
}
|
