mirror of
https://github.com/Genymobile/scrcpy
synced 2024-12-29 02:32:15 +00:00
305 lines
7.4 KiB
C
305 lines
7.4 KiB
C
#include <assert.h>
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <SDL2/SDL.h>
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#include "util/str_util.h"
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static void test_xstrncpy_simple(void) {
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char s[] = "xxxxxxxxxx";
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size_t w = xstrncpy(s, "abcdef", sizeof(s));
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// returns strlen of copied string
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assert(w == 6);
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// is nul-terminated
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assert(s[6] == '\0');
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// does not write useless bytes
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assert(s[7] == 'x');
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// copies the content as expected
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assert(!strcmp("abcdef", s));
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}
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static void test_xstrncpy_just_fit(void) {
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char s[] = "xxxxxx";
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size_t w = xstrncpy(s, "abcdef", sizeof(s));
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// returns strlen of copied string
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assert(w == 6);
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// is nul-terminated
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assert(s[6] == '\0');
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// copies the content as expected
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assert(!strcmp("abcdef", s));
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}
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static void test_xstrncpy_truncated(void) {
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char s[] = "xxx";
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size_t w = xstrncpy(s, "abcdef", sizeof(s));
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// returns 'n' (sizeof(s))
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assert(w == 4);
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// is nul-terminated
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assert(s[3] == '\0');
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// copies the content as expected
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assert(!strncmp("abcdef", s, 3));
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}
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static void test_xstrjoin_simple(void) {
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const char *const tokens[] = { "abc", "de", "fghi", NULL };
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char s[] = "xxxxxxxxxxxxxx";
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size_t w = xstrjoin(s, tokens, ' ', sizeof(s));
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// returns strlen of concatenation
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assert(w == 11);
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// is nul-terminated
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assert(s[11] == '\0');
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// does not write useless bytes
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assert(s[12] == 'x');
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// copies the content as expected
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assert(!strcmp("abc de fghi", s));
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}
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static void test_xstrjoin_just_fit(void) {
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const char *const tokens[] = { "abc", "de", "fghi", NULL };
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char s[] = "xxxxxxxxxxx";
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size_t w = xstrjoin(s, tokens, ' ', sizeof(s));
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// returns strlen of concatenation
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assert(w == 11);
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// is nul-terminated
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assert(s[11] == '\0');
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// copies the content as expected
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assert(!strcmp("abc de fghi", s));
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}
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static void test_xstrjoin_truncated_in_token(void) {
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const char *const tokens[] = { "abc", "de", "fghi", NULL };
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char s[] = "xxxxx";
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size_t w = xstrjoin(s, tokens, ' ', sizeof(s));
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// returns 'n' (sizeof(s))
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assert(w == 6);
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// is nul-terminated
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assert(s[5] == '\0');
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// copies the content as expected
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assert(!strcmp("abc d", s));
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}
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static void test_xstrjoin_truncated_before_sep(void) {
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const char *const tokens[] = { "abc", "de", "fghi", NULL };
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char s[] = "xxxxxx";
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size_t w = xstrjoin(s, tokens, ' ', sizeof(s));
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// returns 'n' (sizeof(s))
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assert(w == 7);
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// is nul-terminated
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assert(s[6] == '\0');
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// copies the content as expected
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assert(!strcmp("abc de", s));
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}
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static void test_xstrjoin_truncated_after_sep(void) {
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const char *const tokens[] = { "abc", "de", "fghi", NULL };
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char s[] = "xxxxxxx";
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size_t w = xstrjoin(s, tokens, ' ', sizeof(s));
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// returns 'n' (sizeof(s))
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assert(w == 8);
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// is nul-terminated
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assert(s[7] == '\0');
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// copies the content as expected
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assert(!strcmp("abc de ", s));
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}
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static void test_strquote(void) {
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const char *s = "abcde";
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char *out = strquote(s);
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// add '"' at the beginning and the end
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assert(!strcmp("\"abcde\"", out));
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SDL_free(out);
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}
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static void test_utf8_truncate(void) {
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const char *s = "aÉbÔc";
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assert(strlen(s) == 7); // É and Ô are 2 bytes-wide
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size_t count;
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count = utf8_truncation_index(s, 1);
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assert(count == 1);
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count = utf8_truncation_index(s, 2);
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assert(count == 1); // É is 2 bytes-wide
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count = utf8_truncation_index(s, 3);
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assert(count == 3);
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count = utf8_truncation_index(s, 4);
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assert(count == 4);
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count = utf8_truncation_index(s, 5);
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assert(count == 4); // Ô is 2 bytes-wide
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count = utf8_truncation_index(s, 6);
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assert(count == 6);
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count = utf8_truncation_index(s, 7);
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assert(count == 7);
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count = utf8_truncation_index(s, 8);
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assert(count == 7); // no more chars
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}
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static void test_parse_integer(void) {
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long value;
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bool ok = parse_integer("1234", &value);
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assert(ok);
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assert(value == 1234);
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ok = parse_integer("-1234", &value);
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assert(ok);
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assert(value == -1234);
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ok = parse_integer("1234k", &value);
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assert(!ok);
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ok = parse_integer("123456789876543212345678987654321", &value);
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assert(!ok); // out-of-range
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}
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static void test_parse_integers(void) {
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long values[5];
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size_t count = parse_integers("1234", ':', 5, values);
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assert(count == 1);
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assert(values[0] == 1234);
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count = parse_integers("1234:5678", ':', 5, values);
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assert(count == 2);
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assert(values[0] == 1234);
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assert(values[1] == 5678);
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count = parse_integers("1234:5678", ':', 2, values);
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assert(count == 2);
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assert(values[0] == 1234);
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assert(values[1] == 5678);
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count = parse_integers("1234:-5678", ':', 2, values);
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assert(count == 2);
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assert(values[0] == 1234);
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assert(values[1] == -5678);
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count = parse_integers("1:2:3:4:5", ':', 5, values);
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assert(count == 5);
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assert(values[0] == 1);
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assert(values[1] == 2);
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assert(values[2] == 3);
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assert(values[3] == 4);
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assert(values[4] == 5);
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count = parse_integers("1234:5678", ':', 1, values);
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assert(count == 0); // max_items == 1
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count = parse_integers("1:2:3:4:5", ':', 3, values);
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assert(count == 0); // max_items == 3
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count = parse_integers(":1234", ':', 5, values);
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assert(count == 0); // invalid
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count = parse_integers("1234:", ':', 5, values);
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assert(count == 0); // invalid
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count = parse_integers("1234:", ':', 1, values);
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assert(count == 0); // invalid, even when max_items == 1
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count = parse_integers("1234::5678", ':', 5, values);
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assert(count == 0); // invalid
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}
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static void test_parse_integer_with_suffix(void) {
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long value;
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bool ok = parse_integer_with_suffix("1234", &value);
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assert(ok);
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assert(value == 1234);
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ok = parse_integer_with_suffix("-1234", &value);
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assert(ok);
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assert(value == -1234);
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ok = parse_integer_with_suffix("1234k", &value);
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assert(ok);
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assert(value == 1234000);
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ok = parse_integer_with_suffix("1234m", &value);
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assert(ok);
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assert(value == 1234000000);
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ok = parse_integer_with_suffix("-1234k", &value);
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assert(ok);
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assert(value == -1234000);
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ok = parse_integer_with_suffix("-1234m", &value);
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assert(ok);
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assert(value == -1234000000);
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ok = parse_integer_with_suffix("123456789876543212345678987654321", &value);
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assert(!ok); // out-of-range
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char buf[32];
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sprintf(buf, "%ldk", LONG_MAX / 2000);
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ok = parse_integer_with_suffix(buf, &value);
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assert(ok);
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assert(value == LONG_MAX / 2000 * 1000);
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sprintf(buf, "%ldm", LONG_MAX / 2000);
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ok = parse_integer_with_suffix(buf, &value);
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assert(!ok);
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sprintf(buf, "%ldk", LONG_MIN / 2000);
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ok = parse_integer_with_suffix(buf, &value);
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assert(ok);
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assert(value == LONG_MIN / 2000 * 1000);
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sprintf(buf, "%ldm", LONG_MIN / 2000);
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ok = parse_integer_with_suffix(buf, &value);
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assert(!ok);
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}
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int main(void) {
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test_xstrncpy_simple();
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test_xstrncpy_just_fit();
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test_xstrncpy_truncated();
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test_xstrjoin_simple();
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test_xstrjoin_just_fit();
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test_xstrjoin_truncated_in_token();
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test_xstrjoin_truncated_before_sep();
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test_xstrjoin_truncated_after_sep();
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test_strquote();
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test_utf8_truncate();
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test_parse_integer();
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test_parse_integers();
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test_parse_integer_with_suffix();
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return 0;
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}
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