scrcpy/app/tests/test_str.c

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#include "common.h"
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
2021-11-12 22:12:51 +00:00
#include "util/str.h"
static void test_strncpy_simple(void) {
char s[] = "xxxxxxxxxx";
size_t w = sc_strncpy(s, "abcdef", sizeof(s));
// returns strlen of copied string
assert(w == 6);
// is nul-terminated
assert(s[6] == '\0');
// does not write useless bytes
assert(s[7] == 'x');
// copies the content as expected
assert(!strcmp("abcdef", s));
}
static void test_strncpy_just_fit(void) {
char s[] = "xxxxxx";
size_t w = sc_strncpy(s, "abcdef", sizeof(s));
// returns strlen of copied string
assert(w == 6);
// is nul-terminated
assert(s[6] == '\0');
// copies the content as expected
assert(!strcmp("abcdef", s));
}
static void test_strncpy_truncated(void) {
char s[] = "xxx";
size_t w = sc_strncpy(s, "abcdef", sizeof(s));
// returns 'n' (sizeof(s))
assert(w == 4);
// is nul-terminated
assert(s[3] == '\0');
// copies the content as expected
assert(!strncmp("abcdef", s, 3));
}
static void test_join_simple(void) {
const char *const tokens[] = { "abc", "de", "fghi", NULL };
char s[] = "xxxxxxxxxxxxxx";
size_t w = sc_str_join(s, tokens, ' ', sizeof(s));
// returns strlen of concatenation
assert(w == 11);
// is nul-terminated
assert(s[11] == '\0');
// does not write useless bytes
assert(s[12] == 'x');
// copies the content as expected
assert(!strcmp("abc de fghi", s));
}
static void test_join_just_fit(void) {
const char *const tokens[] = { "abc", "de", "fghi", NULL };
char s[] = "xxxxxxxxxxx";
size_t w = sc_str_join(s, tokens, ' ', sizeof(s));
// returns strlen of concatenation
assert(w == 11);
// is nul-terminated
assert(s[11] == '\0');
// copies the content as expected
assert(!strcmp("abc de fghi", s));
}
static void test_join_truncated_in_token(void) {
const char *const tokens[] = { "abc", "de", "fghi", NULL };
char s[] = "xxxxx";
size_t w = sc_str_join(s, tokens, ' ', sizeof(s));
// returns 'n' (sizeof(s))
assert(w == 6);
// is nul-terminated
assert(s[5] == '\0');
// copies the content as expected
assert(!strcmp("abc d", s));
}
static void test_join_truncated_before_sep(void) {
const char *const tokens[] = { "abc", "de", "fghi", NULL };
char s[] = "xxxxxx";
size_t w = sc_str_join(s, tokens, ' ', sizeof(s));
// returns 'n' (sizeof(s))
assert(w == 7);
// is nul-terminated
assert(s[6] == '\0');
// copies the content as expected
assert(!strcmp("abc de", s));
}
static void test_join_truncated_after_sep(void) {
const char *const tokens[] = { "abc", "de", "fghi", NULL };
char s[] = "xxxxxxx";
size_t w = sc_str_join(s, tokens, ' ', sizeof(s));
// returns 'n' (sizeof(s))
assert(w == 8);
// is nul-terminated
assert(s[7] == '\0');
// copies the content as expected
assert(!strcmp("abc de ", s));
}
static void test_quote(void) {
const char *s = "abcde";
char *out = sc_str_quote(s);
// add '"' at the beginning and the end
assert(!strcmp("\"abcde\"", out));
free(out);
}
static void test_utf8_truncate(void) {
const char *s = "aÉbÔc";
assert(strlen(s) == 7); // É and Ô are 2 bytes-wide
size_t count;
count = sc_str_utf8_truncation_index(s, 1);
assert(count == 1);
count = sc_str_utf8_truncation_index(s, 2);
assert(count == 1); // É is 2 bytes-wide
count = sc_str_utf8_truncation_index(s, 3);
assert(count == 3);
count = sc_str_utf8_truncation_index(s, 4);
assert(count == 4);
count = sc_str_utf8_truncation_index(s, 5);
assert(count == 4); // Ô is 2 bytes-wide
count = sc_str_utf8_truncation_index(s, 6);
assert(count == 6);
count = sc_str_utf8_truncation_index(s, 7);
assert(count == 7);
count = sc_str_utf8_truncation_index(s, 8);
assert(count == 7); // no more chars
}
static void test_parse_integer(void) {
long value;
bool ok = sc_str_parse_integer("1234", &value);
assert(ok);
assert(value == 1234);
ok = sc_str_parse_integer("-1234", &value);
assert(ok);
assert(value == -1234);
ok = sc_str_parse_integer("1234k", &value);
assert(!ok);
ok = sc_str_parse_integer("123456789876543212345678987654321", &value);
assert(!ok); // out-of-range
}
static void test_parse_integers(void) {
long values[5];
size_t count = sc_str_parse_integers("1234", ':', 5, values);
assert(count == 1);
assert(values[0] == 1234);
count = sc_str_parse_integers("1234:5678", ':', 5, values);
assert(count == 2);
assert(values[0] == 1234);
assert(values[1] == 5678);
count = sc_str_parse_integers("1234:5678", ':', 2, values);
assert(count == 2);
assert(values[0] == 1234);
assert(values[1] == 5678);
count = sc_str_parse_integers("1234:-5678", ':', 2, values);
assert(count == 2);
assert(values[0] == 1234);
assert(values[1] == -5678);
count = sc_str_parse_integers("1:2:3:4:5", ':', 5, values);
assert(count == 5);
assert(values[0] == 1);
assert(values[1] == 2);
assert(values[2] == 3);
assert(values[3] == 4);
assert(values[4] == 5);
count = sc_str_parse_integers("1234:5678", ':', 1, values);
assert(count == 0); // max_items == 1
count = sc_str_parse_integers("1:2:3:4:5", ':', 3, values);
assert(count == 0); // max_items == 3
count = sc_str_parse_integers(":1234", ':', 5, values);
assert(count == 0); // invalid
count = sc_str_parse_integers("1234:", ':', 5, values);
assert(count == 0); // invalid
count = sc_str_parse_integers("1234:", ':', 1, values);
assert(count == 0); // invalid, even when max_items == 1
count = sc_str_parse_integers("1234::5678", ':', 5, values);
assert(count == 0); // invalid
}
static void test_parse_integer_with_suffix(void) {
long value;
bool ok = sc_str_parse_integer_with_suffix("1234", &value);
assert(ok);
assert(value == 1234);
ok = sc_str_parse_integer_with_suffix("-1234", &value);
assert(ok);
assert(value == -1234);
ok = sc_str_parse_integer_with_suffix("1234k", &value);
assert(ok);
assert(value == 1234000);
ok = sc_str_parse_integer_with_suffix("1234m", &value);
assert(ok);
assert(value == 1234000000);
ok = sc_str_parse_integer_with_suffix("-1234k", &value);
assert(ok);
assert(value == -1234000);
ok = sc_str_parse_integer_with_suffix("-1234m", &value);
assert(ok);
assert(value == -1234000000);
ok = sc_str_parse_integer_with_suffix("123456789876543212345678987654321", &value);
assert(!ok); // out-of-range
char buf[32];
int r = snprintf(buf, sizeof(buf), "%ldk", LONG_MAX / 2000);
assert(r >= 0 && (size_t) r < sizeof(buf));
ok = sc_str_parse_integer_with_suffix(buf, &value);
assert(ok);
assert(value == LONG_MAX / 2000 * 1000);
r = snprintf(buf, sizeof(buf), "%ldm", LONG_MAX / 2000);
assert(r >= 0 && (size_t) r < sizeof(buf));
ok = sc_str_parse_integer_with_suffix(buf, &value);
assert(!ok);
r = snprintf(buf, sizeof(buf), "%ldk", LONG_MIN / 2000);
assert(r >= 0 && (size_t) r < sizeof(buf));
ok = sc_str_parse_integer_with_suffix(buf, &value);
assert(ok);
assert(value == LONG_MIN / 2000 * 1000);
r = snprintf(buf, sizeof(buf), "%ldm", LONG_MIN / 2000);
assert(r >= 0 && (size_t) r < sizeof(buf));
ok = sc_str_parse_integer_with_suffix(buf, &value);
assert(!ok);
}
static void test_strlist_contains(void) {
assert(sc_str_list_contains("a,bc,def", ',', "bc"));
assert(!sc_str_list_contains("a,bc,def", ',', "b"));
assert(sc_str_list_contains("", ',', ""));
assert(sc_str_list_contains("abc,", ',', ""));
assert(sc_str_list_contains(",abc", ',', ""));
assert(sc_str_list_contains("abc,,def", ',', ""));
assert(!sc_str_list_contains("abc", ',', ""));
assert(sc_str_list_contains(",,|x", '|', ",,"));
assert(sc_str_list_contains("xyz", '\0', "xyz"));
}
static void test_wrap_lines(void) {
const char *s = "This is a text to test line wrapping. The lines must be "
"wrapped at a space or a line break.\n"
"\n"
"This rectangle must remains a rectangle because it is "
"drawn in lines having lengths lower than the specified "
"number of columns:\n"
" +----+\n"
" | |\n"
" +----+\n";
// |---- 1 1 2 2|
// |0 5 0 5 0 3| <-- 24 columns
const char *expected = " This is a text to\n"
" test line wrapping.\n"
" The lines must be\n"
" wrapped at a space\n"
" or a line break.\n"
" \n"
" This rectangle must\n"
" remains a rectangle\n"
" because it is drawn\n"
" in lines having\n"
" lengths lower than\n"
" the specified number\n"
" of columns:\n"
" +----+\n"
" | |\n"
" +----+\n";
char *formatted = sc_str_wrap_lines(s, 24, 4);
assert(formatted);
assert(!strcmp(formatted, expected));
free(formatted);
}
static void test_index_of_column(void) {
assert(sc_str_index_of_column("a bc d", 0, " ") == 0);
assert(sc_str_index_of_column("a bc d", 1, " ") == 2);
assert(sc_str_index_of_column("a bc d", 2, " ") == 6);
assert(sc_str_index_of_column("a bc d", 3, " ") == -1);
assert(sc_str_index_of_column("a ", 0, " ") == 0);
assert(sc_str_index_of_column("a ", 1, " ") == -1);
assert(sc_str_index_of_column("", 0, " ") == 0);
assert(sc_str_index_of_column("", 1, " ") == -1);
assert(sc_str_index_of_column("a \t \t bc \t d\t", 0, " \t") == 0);
assert(sc_str_index_of_column("a \t \t bc \t d\t", 1, " \t") == 8);
assert(sc_str_index_of_column("a \t \t bc \t d\t", 2, " \t") == 15);
assert(sc_str_index_of_column("a \t \t bc \t d\t", 3, " \t") == -1);
assert(sc_str_index_of_column(" a bc d", 1, " ") == 2);
}
static void test_remove_trailing_cr(void) {
char s[] = "abc\r";
sc_str_remove_trailing_cr(s, sizeof(s) - 1);
assert(!strcmp(s, "abc"));
char s2[] = "def\r\r\r\r";
sc_str_remove_trailing_cr(s2, sizeof(s2) - 1);
assert(!strcmp(s2, "def"));
char s3[] = "adb\rdef\r";
sc_str_remove_trailing_cr(s3, sizeof(s3) - 1);
assert(!strcmp(s3, "adb\rdef"));
}
int main(int argc, char *argv[]) {
(void) argc;
(void) argv;
test_strncpy_simple();
test_strncpy_just_fit();
test_strncpy_truncated();
test_join_simple();
test_join_just_fit();
test_join_truncated_in_token();
test_join_truncated_before_sep();
test_join_truncated_after_sep();
test_quote();
test_utf8_truncate();
test_parse_integer();
test_parse_integers();
test_parse_integer_with_suffix();
test_strlist_contains();
test_wrap_lines();
test_index_of_column();
test_remove_trailing_cr();
return 0;
}