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d6dd604b55
systemd/src/test/test-util.c
Lennart Poettering d6dd604b55 util: rework safe_atod() to be locale-independent 
This adds some syntactic sugar with a macro RUN_WITH_LOCALE() that reset
the thread-specific locale temporarily.
2013-04-25 00:05:14 -03:00

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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
Copyright 2013 Thomas H.P. Andersen
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <locale.h>
#include "util.h"
static void test_streq_ptr(void) {
assert_se(streq_ptr(NULL, NULL));
assert_se(!streq_ptr("abc", "cdef"));
}
static void test_first_word(void) {
assert_se(first_word("Hello", ""));
assert_se(first_word("Hello", "Hello"));
assert_se(first_word("Hello world", "Hello"));
assert_se(first_word("Hello\tworld", "Hello"));
assert_se(first_word("Hello\nworld", "Hello"));
assert_se(first_word("Hello\rworld", "Hello"));
assert_se(first_word("Hello ", "Hello"));
assert_se(!first_word("Hello", "Hellooo"));
assert_se(!first_word("Hello", "xxxxx"));
assert_se(!first_word("Hellooo", "Hello"));
}
static void test_close_many(void) {
int fds[3];
char name0[] = "/tmp/test-close-many.XXXXXX";
char name1[] = "/tmp/test-close-many.XXXXXX";
char name2[] = "/tmp/test-close-many.XXXXXX";
fds[0] = mkstemp(name0);
fds[1] = mkstemp(name1);
fds[2] = mkstemp(name2);
close_many(fds, 2);
assert_se(fcntl(fds[0], F_GETFD) == -1);
assert_se(fcntl(fds[1], F_GETFD) == -1);
assert_se(fcntl(fds[2], F_GETFD) >= 0);
close_nointr_nofail(fds[2]);
unlink(name0);
unlink(name1);
unlink(name2);
}
static void test_parse_boolean(void) {
assert_se(parse_boolean("1") == 1);
assert_se(parse_boolean("y") == 1);
assert_se(parse_boolean("Y") == 1);
assert_se(parse_boolean("yes") == 1);
assert_se(parse_boolean("YES") == 1);
assert_se(parse_boolean("true") == 1);
assert_se(parse_boolean("TRUE") == 1);
assert_se(parse_boolean("on") == 1);
assert_se(parse_boolean("ON") == 1);
assert_se(parse_boolean("0") == 0);
assert_se(parse_boolean("n") == 0);
assert_se(parse_boolean("N") == 0);
assert_se(parse_boolean("no") == 0);
assert_se(parse_boolean("NO") == 0);
assert_se(parse_boolean("false") == 0);
assert_se(parse_boolean("FALSE") == 0);
assert_se(parse_boolean("off") == 0);
assert_se(parse_boolean("OFF") == 0);
assert_se(parse_boolean("garbage") < 0);
assert_se(parse_boolean("") < 0);
}
static void test_parse_pid(void) {
int r;
pid_t pid;
r = parse_pid("100", &pid);
assert_se(r == 0);
assert_se(pid == 100);
r = parse_pid("0x7FFFFFFF", &pid);
assert_se(r == 0);
assert_se(pid == 2147483647);
pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
r = parse_pid("0", &pid);
assert_se(r == -ERANGE);
assert_se(pid == 65);
pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
r = parse_pid("-100", &pid);
assert_se(r == -ERANGE);
assert_se(pid == 65);
pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
r = parse_pid("0xFFFFFFFFFFFFFFFFF", &pid);
assert(r == -ERANGE);
assert_se(pid == 65);
}
static void test_parse_uid(void) {
int r;
uid_t uid;
r = parse_uid("100", &uid);
assert_se(r == 0);
assert_se(uid == 100);
}
static void test_safe_atolli(void) {
int r;
long long l;
r = safe_atolli("12345", &l);
assert_se(r == 0);
assert_se(l == 12345);
r = safe_atolli("junk", &l);
assert_se(r == -EINVAL);
}
static void test_safe_atod(void) {
int r;
double d;
char *e;
r = safe_atod("junk", &d);
assert_se(r == -EINVAL);
r = safe_atod("0.2244", &d);
assert_se(r == 0);
assert_se(abs(d - 0.2244) < 0.000001);
r = safe_atod("0,5", &d);
assert_se(r == -EINVAL);
errno = 0;
strtod("0,5", &e);
assert_se(*e == ',');
/* Check if this really is locale independent */
setlocale(LC_NUMERIC, "de_DE.utf8");
r = safe_atod("0.2244", &d);
assert_se(r == 0);
assert_se(abs(d - 0.2244) < 0.000001);
r = safe_atod("0,5", &d);
assert_se(r == -EINVAL);
errno = 0;
assert_se(abs(strtod("0,5", &e) - 0.5) < 0.00001);
/* And check again, reset */
setlocale(LC_NUMERIC, "C");
r = safe_atod("0.2244", &d);
assert_se(r == 0);
assert_se(abs(d - 0.2244) < 0.000001);
r = safe_atod("0,5", &d);
assert_se(r == -EINVAL);
errno = 0;
strtod("0,5", &e);
assert_se(*e == ',');
}
static void test_strappend(void) {
_cleanup_free_ char *t1, *t2, *t3, *t4;
t1 = strappend(NULL, NULL);
assert_se(streq(t1, ""));
t2 = strappend(NULL, "suf");
assert_se(streq(t2, "suf"));
t3 = strappend("pre", NULL);
assert_se(streq(t3, "pre"));
t4 = strappend("pre", "suf");
assert_se(streq(t4, "presuf"));
}
static void test_strstrip(void) {
char *r;
char input[] = " hello, waldo. ";
r = strstrip(input);
assert_se(streq(r, "hello, waldo."));
}
static void test_delete_chars(void) {
char *r;
char input[] = " hello, waldo. abc";
r = delete_chars(input, WHITESPACE);
assert_se(streq(r, "hello,waldo.abc"));
}
static void test_in_charset(void) {
assert_se(in_charset("dddaaabbbcccc", "abcd"));
assert_se(!in_charset("dddaaabbbcccc", "abc f"));
}
static void test_hexchar(void) {
assert_se(hexchar(0xa) == 'a');
assert_se(hexchar(0x0) == '0');
}
static void test_unhexchar(void) {
assert_se(unhexchar('a') == 0xA);
assert_se(unhexchar('A') == 0xA);
assert_se(unhexchar('0') == 0x0);
}
static void test_octchar(void) {
assert_se(octchar(00) == '0');
assert_se(octchar(07) == '7');
}
static void test_unoctchar(void) {
assert_se(unoctchar('0') == 00);
assert_se(unoctchar('7') == 07);
}
static void test_decchar(void) {
assert_se(decchar(0) == '0');
assert_se(decchar(9) == '9');
}
static void test_undecchar(void) {
assert_se(undecchar('0') == 0);
assert_se(undecchar('9') == 9);
}
static void test_foreach_word(void) {
char *w, *state;
size_t l;
int i = 0;
const char test[] = "test abc d\te f ";
const char * const expected[] = {
"test",
"abc",
"d",
"e",
"f",
"",
NULL
};
FOREACH_WORD(w, l, test, state) {
assert_se(strneq(expected[i++], w, l));
}
}
static void test_foreach_word_quoted(void) {
char *w, *state;
size_t l;
int i = 0;
const char test[] = "test a b c 'd' e '' '' hhh '' '' \"a b c\"";
const char * const expected[] = {
"test",
"a",
"b",
"c",
"d",
"e",
"",
"",
"hhh",
"",
"",
"a b c",
NULL
};
printf("<%s>\n", test);
FOREACH_WORD_QUOTED(w, l, test, state) {
_cleanup_free_ char *t = NULL;
assert_se(t = strndup(w, l));
assert_se(strneq(expected[i++], w, l));
printf("<%s>\n", t);
}
}
static void test_default_term_for_tty(void) {
puts(default_term_for_tty("/dev/tty23"));
puts(default_term_for_tty("/dev/ttyS23"));
puts(default_term_for_tty("/dev/tty0"));
puts(default_term_for_tty("/dev/pty0"));
puts(default_term_for_tty("/dev/pts/0"));
puts(default_term_for_tty("/dev/console"));
puts(default_term_for_tty("tty23"));
puts(default_term_for_tty("ttyS23"));
puts(default_term_for_tty("tty0"));
puts(default_term_for_tty("pty0"));
puts(default_term_for_tty("pts/0"));
puts(default_term_for_tty("console"));
}
static void test_memdup_multiply(void) {
int org[] = {1, 2, 3};
int *dup;
dup = (int*)memdup_multiply(org, sizeof(int), 3);
assert_se(dup);
assert_se(dup[0] == 1);
assert_se(dup[1] == 2);
assert_se(dup[2] == 3);
free(dup);
}
static void test_bus_path_escape_one(const char *a, const char *b) {
_cleanup_free_ char *t = NULL, *x = NULL, *y = NULL;
assert_se(t = bus_path_escape(a));
assert_se(streq(t, b));
assert_se(x = bus_path_unescape(t));
assert_se(streq(a, x));
assert_se(y = bus_path_unescape(b));
assert_se(streq(a, y));
}
static void test_bus_path_escape(void) {
test_bus_path_escape_one("foo123bar", "foo123bar");
test_bus_path_escape_one("foo.bar", "foo_2ebar");
test_bus_path_escape_one("foo_2ebar", "foo_5f2ebar");
test_bus_path_escape_one("", "_");
test_bus_path_escape_one("_", "_5f");
test_bus_path_escape_one("1", "_31");
test_bus_path_escape_one(":1", "_3a1");
}
static void test_hostname_is_valid(void) {
assert(hostname_is_valid("foobar"));
assert(hostname_is_valid("foobar.com"));
assert(!hostname_is_valid("fööbar"));
assert(!hostname_is_valid(""));
assert(!hostname_is_valid("."));
assert(!hostname_is_valid(".."));
assert(!hostname_is_valid("foobar."));
assert(!hostname_is_valid(".foobar"));
assert(!hostname_is_valid("foo..bar"));
assert(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
}
static void test_u64log2(void) {
assert(u64log2(0) == 0);
assert(u64log2(8) == 3);
assert(u64log2(9) == 3);
assert(u64log2(15) == 3);
assert(u64log2(16) == 4);
assert(u64log2(1024*1024) == 20);
assert(u64log2(1024*1024+5) == 20);
}
static void test_get_process_comm(void) {
_cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL;
unsigned long long b;
pid_t e;
uid_t u;
gid_t g;
dev_t h;
int r;
assert_se(get_process_comm(1, &a) >= 0);
log_info("pid1 comm: '%s'", a);
assert_se(get_starttime_of_pid(1, &b) >= 0);
log_info("pid1 starttime: '%llu'", b);
assert_se(get_process_cmdline(1, 0, true, &c) >= 0);
log_info("pid1 cmdline: '%s'", c);
assert_se(get_process_cmdline(1, 8, false, &d) >= 0);
log_info("pid1 cmdline truncated: '%s'", d);
assert_se(get_parent_of_pid(1, &e) >= 0);
log_info("pid1 ppid: '%llu'", (unsigned long long) e);
assert_se(e == 0);
assert_se(is_kernel_thread(1) == 0);
r = get_process_exe(1, &f);
assert_se(r >= 0 || r == -EACCES);
log_info("pid1 exe: '%s'", strna(f));
assert_se(get_process_uid(1, &u) == 0);
log_info("pid1 uid: '%llu'", (unsigned long long) u);
assert_se(u == 0);
assert_se(get_process_gid(1, &g) == 0);
log_info("pid1 gid: '%llu'", (unsigned long long) g);
assert_se(g == 0);
assert(get_ctty_devnr(1, &h) == -ENOENT);
getenv_for_pid(1, "PATH", &i);
log_info("pid1 $PATH: '%s'", strna(i));
}
int main(int argc, char *argv[]) {
test_streq_ptr();
test_first_word();
test_close_many();
test_parse_boolean();
test_parse_pid();
test_parse_uid();
test_safe_atolli();
test_safe_atod();
test_strappend();
test_strstrip();
test_delete_chars();
test_in_charset();
test_hexchar();
test_unhexchar();
test_octchar();
test_unoctchar();
test_decchar();
test_undecchar();
test_foreach_word();
test_foreach_word_quoted();
test_default_term_for_tty();
test_memdup_multiply();
test_bus_path_escape();
test_hostname_is_valid();
test_u64log2();
test_get_process_comm();
return 0;
}
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