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
|
#include <ccan/tap/tap.h>
#include <stddef.h>
#include <stdbool.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include "text.h"
#include "text-util.h"
#ifndef BUFSIZ
#define BUFSIZ 1024
#endif
static bool insert(Text *txt, size_t pos, const char *data) {
return text_insert(txt, pos, data, strlen(data));
}
static bool isempty(Text *txt) {
return text_size(txt) == 0;
}
static char *content(Text *txt) {
static char buf[BUFSIZ];
size_t len = text_bytes_get(txt, 0, sizeof(buf)-1, buf);
buf[len] = '\0';
return buf;
}
static bool compare(Text *txt, const char *data) {
char buf[BUFSIZ];
size_t len = text_bytes_get(txt, 0, sizeof(buf)-1, buf);
buf[len] = '\0';
return len == strlen(data) && strcmp(buf, data) == 0;
}
int main(int argc, char *argv[]) {
Text *txt;
plan_no_plan();
txt = text_load("/");
ok(txt == NULL && errno == EISDIR, "Opening directory");
if (access("/etc/shadow", F_OK) == 0) {
txt = text_load("/etc/shadow");
ok(txt == NULL && errno == EACCES, "Opening file without sufficient permissions");
}
txt = text_load(NULL);
ok(txt != NULL && isempty(txt), "Opening empty file");
ok(insert(txt, 1, "") && isempty(txt), "Inserting empty data");
ok(!insert(txt, 1, " ") && isempty(txt), "Inserting with invalid offset");
/* test cached insertion (i.e. in-place with only one piece) */
ok(insert(txt, 0, "3") && compare(txt, "3"), "Inserting into empty document (cached)");
ok(insert(txt, 0, "1") && compare(txt, "13"), "Inserting at begin (cached)");
ok(insert(txt, 1, "2") && compare(txt, "123"), "Inserting in middle (cached)");
ok(insert(txt, text_size(txt), "4") && compare(txt, "1234"), "Inserting at end (cached)");
ok(text_delete(txt, text_size(txt), 0) && compare(txt, "1234"), "Deleting empty range");
ok(!text_delete(txt, text_size(txt), 1) && compare(txt, "1234"), "Deleting invalid offset");
ok(!text_delete(txt, 0, text_size(txt)+5) && compare(txt, "1234"), "Deleting invalid range");
ok(text_undo(txt) == 0 && compare(txt, ""), "Reverting to empty document");
ok(text_redo(txt) != EPOS /* == text_size(txt) */ && compare(txt, "1234"), "Restoring previsous content");
/* test cached deletion (i.e. in-place with only one piece) */
ok(text_delete(txt, text_size(txt)-1, 1) && compare(txt, "123"), "Deleting at end (cached)");
ok(text_delete(txt, 1, 1) && compare(txt, "13"), "Deleting in middle (cached)");
ok(text_delete(txt, 0, 1) && compare(txt, "3"), "Deleting at begin (cached)");
ok(text_delete(txt, 0, 1) && compare(txt, ""), "Deleting to empty document (cached)");
/* test regular insertion (i.e. with multiple pieces) */
text_snapshot(txt);
ok(insert(txt, 0, "3") && compare(txt, "3"), "Inserting into empty document");
text_snapshot(txt);
ok(insert(txt, 0, "1") && compare(txt, "13"), "Inserting at begin");
text_snapshot(txt);
ok(insert(txt, 1, "2") && compare(txt, "123"), "Inserting in between");
text_snapshot(txt);
ok(insert(txt, text_size(txt), "46") && compare(txt, "12346"), "Inserting at end");
text_snapshot(txt);
ok(insert(txt, 4, "5") && compare(txt, "123456"), "Inserting in middle");
text_snapshot(txt);
ok(insert(txt, text_size(txt), "789") && compare(txt, "123456789"), "Inserting at end");
text_snapshot(txt);
ok(insert(txt, text_size(txt), "0") && compare(txt, "1234567890"), "Inserting at end");
/* test simple undo / redo oparations */
ok(text_undo(txt) != EPOS && compare(txt, "123456789"), "Undo 1");
ok(text_undo(txt) != EPOS && compare(txt, "123456"), "Undo 2");
ok(text_undo(txt) != EPOS && compare(txt, "12346"), "Undo 3");
ok(text_undo(txt) != EPOS && compare(txt, "123"), "Undo 3");
ok(text_undo(txt) != EPOS && compare(txt, "13"), "Undo 5");
ok(text_undo(txt) != EPOS && compare(txt, "3"), "Undo 6");
ok(text_undo(txt) != EPOS && compare(txt, ""), "Undo 6");
ok(text_redo(txt) != EPOS && compare(txt, "3"), "Redo 1");
ok(text_redo(txt) != EPOS && compare(txt, "13"), "Redo 2");
ok(text_redo(txt) != EPOS && compare(txt, "123"), "Redo 3");
ok(text_redo(txt) != EPOS && compare(txt, "12346"), "Redo 4");
ok(text_redo(txt) != EPOS && compare(txt, "123456"), "Redo 5");
ok(text_redo(txt) != EPOS && compare(txt, "123456789"), "Redo 6");
ok(text_redo(txt) != EPOS && compare(txt, "1234567890"), "Redo 7");
/* test regular deletion (i.e. with multiple pieces) */
ok(text_delete(txt, 8, 2) && compare(txt, "12345678"), "Deleting midway start");
text_undo(txt);
ok(text_delete(txt, 2, 6) && compare(txt, "1290"), "Deleting midway end");
text_undo(txt);
ok(text_delete(txt, 7, 1) && compare(txt, "123456790"), "Deleting midway both same piece");
text_undo(txt);
ok(text_delete(txt, 0, 5) && compare(txt, "67890"), "Deleting at begin");
text_undo(txt);
ok(text_delete(txt, 5, 5) && compare(txt, "12345"), "Deleting at end");
return exit_status();
}
|
