-
Notifications
You must be signed in to change notification settings - Fork 18
/
Copy pathRandomUtilsTest.cls
173 lines (153 loc) · 6.56 KB
/
RandomUtilsTest.cls
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
164
165
166
167
168
169
170
171
172
173
global class RandomUtilsTest {
private static testmethod void testNextBoolean(){
System.assertNotEquals(null,RandomUtils.nextBoolean());
}
private static testmethod void testNextInteger(){
assertNextInteger(ApexLangUtils.MAX_INTEGER_RANGE,true,RandomUtils.nextInteger());
}
private static testmethod void testNextInteger_Integer(){
IntegerRange inputRange = null;
for(Integer i = -2; i <= 2; i++){
inputRange = new IntegerRange(0,Math.abs(i));
assertNextInteger(inputRange,true,RandomUtils.nextInteger(i));
}
}
private static testmethod void testNextInteger_Integer_Boolean(){
IntegerRange inputRange = null;
for(Integer i = -2; i <= 2; i++){
inputRange = new IntegerRange(0,Math.abs(i));
assertNextInteger(inputRange,true,RandomUtils.nextInteger(i,true));
assertNextInteger(inputRange,false,RandomUtils.nextInteger(i,false));
}
}
private static testmethod void testNextInteger_Integer_Integer(){
IntegerRange inputRange = null;
for(Integer i = -2; i <= 2; i++){
for(Integer j = -2; j <= 2; j++){
inputRange = new IntegerRange(i,j);
assertNextInteger(inputRange,true,RandomUtils.nextInteger(i,j));
}
}
}
private static testmethod void testNextInteger_Integer_Integer_Boolean(){
IntegerRange inputRange = null;
for(Integer i = -2; i <= 2; i++){
for(Integer j = -2; j <= 2; j++){
inputRange = new IntegerRange(i,j);
assertNextInteger(inputRange,true,RandomUtils.nextInteger(i,j,true));
assertNextInteger(inputRange,false,RandomUtils.nextInteger(i,j,false));
}
}
}
private static testmethod void testNextInteger_IntegerRange(){
IntegerRange inputRange = null;
for(Integer i = -2; i <= 2; i++){
for(Integer j = -2; j <= 2; j++){
inputRange = new IntegerRange(i,j);
assertNextInteger(inputRange,true,RandomUtils.nextInteger(inputRange));
}
}
}
private static testmethod void testNextInteger_IntegerRange_Boolean(){
IntegerRange inputRange = null;
for(Integer i = -2; i <= 2; i++){
for(Integer j = -2; j <= 2; j++){
inputRange = new IntegerRange(i,j);
assertNextInteger(inputRange,true,RandomUtils.nextInteger(inputRange,true));
assertNextInteger(inputRange,false,RandomUtils.nextInteger(inputRange,false));
}
}
}
private static testmethod void testNextInteger_IntegerRange_Boolean_NULL(){
final IntegerRange nullRange = null;
System.assertEquals(null,RandomUtils.nextInteger(nullRange,true));
}
private static void assertNextInteger(IntegerRange inputRange, Boolean inclusive, Integer actual){
IntegerRange acceptableRange = null;
if(!inclusive && (inputRange.max()-inputRange.min()) <= 2){
acceptableRange = new IntegerRange(inputRange.min(),inputRange.min());
} else {
acceptableRange = new IntegerRange(
inputRange.min() - (inclusive ? 0 : 1)
,inputRange.max() - (inclusive ? 0 : 1)
);
}
System.assert(
acceptableRange.contains(actual),
'RandomUtils.nextInteger(' + inputRange.toAString() + ',' + inclusive + ') returned ' + actual);
}
private static testmethod void testNextLong(){
assertNextLong(ApexLangUtils.MAX_LONG_RANGE,true,RandomUtils.nextLong());
}
private static testmethod void testNextLong_Long(){
LongRange inputRange = null;
for(Long i = -2; i <= 2; i++){
inputRange = new LongRange(0,Math.abs(i));
assertNextLong(inputRange,true,RandomUtils.nextLong(i));
}
}
private static testmethod void testNextLong_Long_Boolean(){
LongRange inputRange = null;
for(Long i = -2; i <= 2; i++){
inputRange = new LongRange(0,Math.abs(i));
assertNextLong(inputRange,true,RandomUtils.nextLong(i,true));
assertNextLong(inputRange,false,RandomUtils.nextLong(i,false));
}
}
private static testmethod void testNextLong_Long_Long(){
LongRange inputRange = null;
for(Long i = -2; i <= 2; i++){
for(Long j = -2; j <= 2; j++){
inputRange = new LongRange(i,j);
assertNextLong(inputRange,true,RandomUtils.nextLong(i,j));
}
}
}
private static testmethod void testNextLong_Long_Long_Boolean(){
LongRange inputRange = null;
for(Long i = -2; i <= 2; i++){
for(Long j = -2; j <= 2; j++){
inputRange = new LongRange(i,j);
assertNextLong(inputRange,true,RandomUtils.nextLong(i,j,true));
assertNextLong(inputRange,false,RandomUtils.nextLong(i,j,false));
}
}
}
private static testmethod void testNextLong_LongRange(){
LongRange inputRange = null;
for(Long i = -2; i <= 2; i++){
for(Long j = -2; j <= 2; j++){
inputRange = new LongRange(i,j);
assertNextLong(inputRange,true,RandomUtils.nextLong(inputRange));
}
}
}
private static testmethod void testNextLong_LongRange_Boolean(){
LongRange inputRange = null;
for(Long i = -2; i <= 2; i++){
for(Long j = -2; j <= 2; j++){
inputRange = new LongRange(i,j);
assertNextLong(inputRange,true,RandomUtils.nextLong(inputRange,true));
assertNextLong(inputRange,false,RandomUtils.nextLong(inputRange,false));
}
}
}
private static testmethod void testNextLong_LongRange_Boolean_NULL(){
final LongRange nullRange = null;
System.assertEquals(null,RandomUtils.nextLong(nullRange,true));
}
private static void assertNextLong(LongRange inputRange, Boolean inclusive, Long actual){
LongRange acceptableRange = null;
if(!inclusive && (inputRange.max()-inputRange.min()) <= 2){
acceptableRange = new LongRange(inputRange.min(),inputRange.min());
} else {
acceptableRange = new LongRange(
inputRange.min() - (inclusive ? 0 : 1)
,inputRange.max() - (inclusive ? 0 : 1)
);
}
System.assert(
acceptableRange.contains(actual),
'RandomUtils.nextLong(' + inputRange.toAString() + ',' + inclusive + ') returned ' + actual);
}
}