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
|
#include <stdio.h>
#include <head-unit.h>
#include "tools/history.h"
void previous_on_empty_returns_null(void)
{
History history = history_new(10);
char *item = history_previous(history, "inp");
assert_is_null(item);
}
void next_on_empty_returns_null(void)
{
History history = history_new(10);
char *item = history_next(history, "inp");
assert_is_null(item);
}
void previous_once_returns_last(void)
{
History history = history_new(10);
history_append(history, "Hello");
char *item = history_previous(history, "inp");
assert_string_equals("Hello", item);
}
void previous_twice_when_one_returns_first(void)
{
History history = history_new(10);
history_append(history, "Hello");
char *item1 = history_previous(history, NULL);
char *item2 = history_previous(history, item1);
assert_string_equals("Hello", item2);
}
void previous_always_stops_at_first(void)
{
History history = history_new(10);
history_append(history, "Hello");
char *item1 = history_previous(history, NULL);
char *item2 = history_previous(history, item1);
char *item3 = history_previous(history, item2);
char *item4 = history_previous(history, item3);
char *item5 = history_previous(history, item4);
char *item6 = history_previous(history, item5);
assert_string_equals("Hello", item6);
}
void previous_goes_to_correct_element(void)
{
History history = history_new(10);
history_append(history, "Hello");
history_append(history, "world");
history_append(history, "whats");
history_append(history, "going");
history_append(history, "on");
history_append(history, "here");
char *item1 = history_previous(history, NULL);
char *item2 = history_previous(history, item1);
char *item3 = history_previous(history, item2);
assert_string_equals("going", item3);
}
void prev_then_next_returns_empty(void)
{
History history = history_new(10);
history_append(history, "Hello");
char *item1 = history_previous(history, NULL);
char *item2 = history_next(history, item1);
assert_string_equals("", item2);
}
void prev_with_val_then_next_returns_val(void)
{
History history = history_new(10);
history_append(history, "Hello");
char *item1 = history_previous(history, "Oioi");
char *item2 = history_next(history, item1);
assert_string_equals("Oioi", item2);
}
void prev_with_val_then_next_twice_returns_null(void)
{
History history = history_new(10);
history_append(history, "Hello");
char *item1 = history_previous(history, "Oioi");
char *item2 = history_next(history, item1);
char *item3 = history_next(history, item2);
assert_is_null(item3);
}
void navigate_then_append_new(void)
{
History history = history_new(10);
history_append(history, "Hello");
history_append(history, "again");
history_append(history, "testing");
history_append(history, "history");
history_append(history, "append");
char *item1 = history_previous(history, "new text");
assert_string_equals("append", item1);
char *item2 = history_previous(history, item1);
assert_string_equals("history", item2);
char *item3 = history_previous(history, item2);
assert_string_equals("testing", item3);
char *item4 = history_next(history, item3);
assert_string_equals("history", item4);
char *item5 = history_next(history, item4);
assert_string_equals("append", item5);
char *item6 = history_next(history, item5);
assert_string_equals("new text", item6);
}
void edit_item_mid_history(void)
{
History history = history_new(10);
history_append(history, "Hello");
history_append(history, "again");
history_append(history, "testing");
history_append(history, "history");
history_append(history, "append");
char *item1 = history_previous(history, "new item");
assert_string_equals("append", item1);
char *item2 = history_previous(history, item1);
assert_string_equals("history", item2);
char *item3 = history_previous(history, item2);
assert_string_equals("testing", item3);
char *item4 = history_previous(history, "EDITED");
assert_string_equals("again", item4);
char *item5 = history_previous(history, item4);
assert_string_equals("Hello", item5);
char *item6 = history_next(history, item5);
assert_string_equals("again", item6);
char *item7 = history_next(history, item6);
assert_string_equals("EDITED", item7);
char *item8 = history_next(history, item7);
assert_string_equals("history", item8);
char *item9 = history_next(history, item8);
assert_string_equals("append", item9);
char *item10 = history_next(history, item9);
assert_string_equals("new item", item10);
}
void edit_previous_and_append(void)
{
History history = history_new(10);
history_append(history, "Hello");
history_append(history, "again");
history_append(history, "testing");
history_append(history, "history");
history_append(history, "append");
char *item1 = history_previous(history, "new item");
assert_string_equals("append", item1);
char *item2 = history_previous(history, item1);
assert_string_equals("history", item2);
char *item3 = history_previous(history, item2);
assert_string_equals("testing", item3);
history_append(history, "EDITED");
char *item4 = history_previous(history, NULL);
assert_string_equals("EDITED", item4);
}
void start_session_add_new_submit_previous(void)
{
History history = history_new(10);
history_append(history, "hello");
char *item1 = history_previous(history, NULL);
assert_string_equals("hello", item1);
char *item2 = history_next(history, item1);
assert_string_equals("", item2);
char *item3 = history_previous(history, "new text");
assert_string_equals("hello", item3);
history_append(history, item3);
}
void register_history_tests(void)
{
TEST_MODULE("history tests");
TEST(previous_on_empty_returns_null);
TEST(next_on_empty_returns_null);
TEST(previous_once_returns_last);
TEST(previous_twice_when_one_returns_first);
TEST(previous_always_stops_at_first);
TEST(previous_goes_to_correct_element);
TEST(prev_then_next_returns_empty);
TEST(prev_with_val_then_next_returns_val);
TEST(prev_with_val_then_next_twice_returns_null);
TEST(navigate_then_append_new);
TEST(edit_item_mid_history);
TEST(edit_previous_and_append);
TEST(start_session_add_new_submit_previous);
}
|