summaryrefslogtreecommitdiff
path: root/src/test/test-utf8.c
blob: faa26bde8d442c7761d09e8988ec1cb3de811198 (plain)
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
/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  Copyright 2013 Dave Reisner
***/

#include "alloc-util.h"
#include "string-util.h"
#include "utf8.h"
#include "util.h"

static void test_utf8_is_printable(void) {
        assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
        assert_se(utf8_is_printable("\342\204\242", 3));
        assert_se(!utf8_is_printable("\341\204", 2));
        assert_se(utf8_is_printable("ąę", 4));
}

static void test_utf8_is_valid(void) {
        assert_se(utf8_is_valid("ascii is valid unicode"));
        assert_se(utf8_is_valid("\342\204\242"));
        assert_se(!utf8_is_valid("\341\204"));
}

static void test_ascii_is_valid(void) {
        assert_se( ascii_is_valid("alsdjf\t\vbarr\nba z"));
        assert_se(!ascii_is_valid("\342\204\242"));
        assert_se(!ascii_is_valid("\341\204"));
}

static void test_ascii_is_valid_n(void) {
        assert_se( ascii_is_valid_n("alsdjf\t\vbarr\nba z", 17));
        assert_se( ascii_is_valid_n("alsdjf\t\vbarr\nba z", 16));
        assert_se(!ascii_is_valid_n("alsdjf\t\vbarr\nba z", 18));
        assert_se(!ascii_is_valid_n("\342\204\242", 3));
        assert_se(!ascii_is_valid_n("\342\204\242", 2));
        assert_se(!ascii_is_valid_n("\342\204\242", 1));
        assert_se( ascii_is_valid_n("\342\204\242", 0));
}

static void test_utf8_encoded_valid_unichar(void) {
        assert_se(utf8_encoded_valid_unichar("\342\204\242") == 3);
        assert_se(utf8_encoded_valid_unichar("\302\256") == 2);
        assert_se(utf8_encoded_valid_unichar("a") == 1);
        assert_se(utf8_encoded_valid_unichar("\341\204") < 0);
        assert_se(utf8_encoded_valid_unichar("\341\204\341\204") < 0);
}

static void test_utf8_escaping(void) {
        _cleanup_free_ char *p1, *p2, *p3;

        p1 = utf8_escape_invalid("goo goo goo");
        puts(p1);
        assert_se(utf8_is_valid(p1));

        p2 = utf8_escape_invalid("\341\204\341\204");
        puts(p2);
        assert_se(utf8_is_valid(p2));

        p3 = utf8_escape_invalid("\341\204");
        puts(p3);
        assert_se(utf8_is_valid(p3));
}

static void test_utf8_escaping_printable(void) {
        _cleanup_free_ char *p1, *p2, *p3, *p4, *p5, *p6;

        p1 = utf8_escape_non_printable("goo goo goo");
        puts(p1);
        assert_se(utf8_is_valid(p1));

        p2 = utf8_escape_non_printable("\341\204\341\204");
        puts(p2);
        assert_se(utf8_is_valid(p2));

        p3 = utf8_escape_non_printable("\341\204");
        puts(p3);
        assert_se(utf8_is_valid(p3));

        p4 = utf8_escape_non_printable("ąę\n가너도루\n1234\n\341\204\341\204\n\001 \019\20\a");
        puts(p4);
        assert_se(utf8_is_valid(p4));

        p5 = utf8_escape_non_printable("\001 \019\20\a");
        puts(p5);
        assert_se(utf8_is_valid(p5));

        p6 = utf8_escape_non_printable("\xef\xbf\x30\x13");
        puts(p6);
        assert_se(utf8_is_valid(p6));
}

static void test_utf16_to_utf8(void) {
        char *a = NULL;
        const uint16_t utf16[] = { htole16('a'), htole16(0xd800), htole16('b'), htole16(0xdc00), htole16('c'), htole16(0xd801), htole16(0xdc37) };
        const char utf8[] = { 'a', 'b', 'c', 0xf0, 0x90, 0x90, 0xb7, 0 };

        a = utf16_to_utf8(utf16, 14);
        assert_se(a);
        assert_se(streq(a, utf8));

        free(a);
}

static void test_utf8_n_codepoints(void) {
        assert_se(utf8_n_codepoints("abc") == 3);
        assert_se(utf8_n_codepoints("zażółcić gęślą jaźń") == 19);
        assert_se(utf8_n_codepoints("串") == 1);
        assert_se(utf8_n_codepoints("") == 0);
        assert_se(utf8_n_codepoints("…👊🔪💐…") == 5);
        assert_se(utf8_n_codepoints("\xF1") == (size_t) -1);
}

static void test_utf8_console_width(void) {
        assert_se(utf8_console_width("abc") == 3);
        assert_se(utf8_console_width("zażółcić gęślą jaźń") == 19);
        assert_se(utf8_console_width("串") == 2);
        assert_se(utf8_console_width("") == 0);
        assert_se(utf8_console_width("…👊🔪💐…") == 8);
        assert_se(utf8_console_width("\xF1") == (size_t) -1);
}

int main(int argc, char *argv[]) {
        test_utf8_is_valid();
        test_utf8_is_printable();
        test_ascii_is_valid();
        test_ascii_is_valid_n();
        test_utf8_encoded_valid_unichar();
        test_utf8_escaping();
        test_utf8_escaping_printable();
        test_utf16_to_utf8();
        test_utf8_n_codepoints();
        test_utf8_console_width();

        return 0;
}