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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package sets
import (
"reflect"
"testing"
)
func TestStringSet(t *testing.T) {
s := String{}
s2 := String{}
if len(s) != 0 {
t.Errorf("Expected len=0: %d", len(s))
}
s.Insert("a", "b")
if len(s) != 2 {
t.Errorf("Expected len=2: %d", len(s))
}
s.Insert("c")
if s.Has("d") {
t.Errorf("Unexpected contents: %#v", s)
}
if !s.Has("a") {
t.Errorf("Missing contents: %#v", s)
}
s.Delete("a")
if s.Has("a") {
t.Errorf("Unexpected contents: %#v", s)
}
s.Insert("a")
if s.HasAll("a", "b", "d") {
t.Errorf("Unexpected contents: %#v", s)
}
if !s.HasAll("a", "b") {
t.Errorf("Missing contents: %#v", s)
}
s2.Insert("a", "b", "d")
if s.IsSuperset(s2) {
t.Errorf("Unexpected contents: %#v", s)
}
s2.Delete("d")
if !s.IsSuperset(s2) {
t.Errorf("Missing contents: %#v", s)
}
}
func TestStringSetDeleteMultiples(t *testing.T) {
s := String{}
s.Insert("a", "b", "c")
if len(s) != 3 {
t.Errorf("Expected len=3: %d", len(s))
}
s.Delete("a", "c")
if len(s) != 1 {
t.Errorf("Expected len=1: %d", len(s))
}
if s.Has("a") {
t.Errorf("Unexpected contents: %#v", s)
}
if s.Has("c") {
t.Errorf("Unexpected contents: %#v", s)
}
if !s.Has("b") {
t.Errorf("Missing contents: %#v", s)
}
}
func TestNewStringSet(t *testing.T) {
s := NewString("a", "b", "c")
if len(s) != 3 {
t.Errorf("Expected len=3: %d", len(s))
}
if !s.Has("a") || !s.Has("b") || !s.Has("c") {
t.Errorf("Unexpected contents: %#v", s)
}
}
func TestStringSetList(t *testing.T) {
s := NewString("z", "y", "x", "a")
if !reflect.DeepEqual(s.List(), []string{"a", "x", "y", "z"}) {
t.Errorf("List gave unexpected result: %#v", s.List())
}
}
func TestStringSetDifference(t *testing.T) {
a := NewString("1", "2", "3")
b := NewString("1", "2", "4", "5")
c := a.Difference(b)
d := b.Difference(a)
if len(c) != 1 {
t.Errorf("Expected len=1: %d", len(c))
}
if !c.Has("3") {
t.Errorf("Unexpected contents: %#v", c.List())
}
if len(d) != 2 {
t.Errorf("Expected len=2: %d", len(d))
}
if !d.Has("4") || !d.Has("5") {
t.Errorf("Unexpected contents: %#v", d.List())
}
}
func TestStringSetHasAny(t *testing.T) {
a := NewString("1", "2", "3")
if !a.HasAny("1", "4") {
t.Errorf("expected true, got false")
}
if a.HasAny("0", "4") {
t.Errorf("expected false, got true")
}
}
func TestStringSetEquals(t *testing.T) {
// Simple case (order doesn't matter)
a := NewString("1", "2")
b := NewString("2", "1")
if !a.Equal(b) {
t.Errorf("Expected to be equal: %v vs %v", a, b)
}
// It is a set; duplicates are ignored
b = NewString("2", "2", "1")
if !a.Equal(b) {
t.Errorf("Expected to be equal: %v vs %v", a, b)
}
// Edge cases around empty sets / empty strings
a = NewString()
b = NewString()
if !a.Equal(b) {
t.Errorf("Expected to be equal: %v vs %v", a, b)
}
b = NewString("1", "2", "3")
if a.Equal(b) {
t.Errorf("Expected to be not-equal: %v vs %v", a, b)
}
b = NewString("1", "2", "")
if a.Equal(b) {
t.Errorf("Expected to be not-equal: %v vs %v", a, b)
}
// Check for equality after mutation
a = NewString()
a.Insert("1")
if a.Equal(b) {
t.Errorf("Expected to be not-equal: %v vs %v", a, b)
}
a.Insert("2")
if a.Equal(b) {
t.Errorf("Expected to be not-equal: %v vs %v", a, b)
}
a.Insert("")
if !a.Equal(b) {
t.Errorf("Expected to be equal: %v vs %v", a, b)
}
a.Delete("")
if a.Equal(b) {
t.Errorf("Expected to be not-equal: %v vs %v", a, b)
}
}
func TestStringUnion(t *testing.T) {
tests := []struct {
s1 String
s2 String
expected String
}{
{
NewString("1", "2", "3", "4"),
NewString("3", "4", "5", "6"),
NewString("1", "2", "3", "4", "5", "6"),
},
{
NewString("1", "2", "3", "4"),
NewString(),
NewString("1", "2", "3", "4"),
},
{
NewString(),
NewString("1", "2", "3", "4"),
NewString("1", "2", "3", "4"),
},
{
NewString(),
NewString(),
NewString(),
},
}
for _, test := range tests {
union := test.s1.Union(test.s2)
if union.Len() != test.expected.Len() {
t.Errorf("Expected union.Len()=%d but got %d", test.expected.Len(), union.Len())
}
if !union.Equal(test.expected) {
t.Errorf("Expected union.Equal(expected) but not true. union:%v expected:%v", union.List(), test.expected.List())
}
}
}
func TestStringIntersection(t *testing.T) {
tests := []struct {
s1 String
s2 String
expected String
}{
{
NewString("1", "2", "3", "4"),
NewString("3", "4", "5", "6"),
NewString("3", "4"),
},
{
NewString("1", "2", "3", "4"),
NewString("1", "2", "3", "4"),
NewString("1", "2", "3", "4"),
},
{
NewString("1", "2", "3", "4"),
NewString(),
NewString(),
},
{
NewString(),
NewString("1", "2", "3", "4"),
NewString(),
},
{
NewString(),
NewString(),
NewString(),
},
}
for _, test := range tests {
intersection := test.s1.Intersection(test.s2)
if intersection.Len() != test.expected.Len() {
t.Errorf("Expected intersection.Len()=%d but got %d", test.expected.Len(), intersection.Len())
}
if !intersection.Equal(test.expected) {
t.Errorf("Expected intersection.Equal(expected) but not true. intersection:%v expected:%v", intersection.List(), test.expected.List())
}
}
}
|
