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Diffstat (limited to 'src/test/test-parse-util.c')
-rw-r--r-- | src/test/test-parse-util.c | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/src/test/test-parse-util.c b/src/test/test-parse-util.c new file mode 100644 index 0000000000..d08014100b --- /dev/null +++ b/src/test/test-parse-util.c @@ -0,0 +1,547 @@ +/*** + 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 <locale.h> +#include <math.h> + +#include "log.h" +#include "parse-util.h" + +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); + assert_se(parse_boolean("full") < 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_se(r == -ERANGE); + assert_se(pid == 65); + + r = parse_pid("junk", &pid); + assert_se(r == -EINVAL); +} + +static void test_parse_mode(void) { + mode_t m; + + assert_se(parse_mode("-1", &m) < 0); + assert_se(parse_mode("", &m) < 0); + assert_se(parse_mode("888", &m) < 0); + assert_se(parse_mode("77777", &m) < 0); + + assert_se(parse_mode("544", &m) >= 0 && m == 0544); + assert_se(parse_mode("777", &m) >= 0 && m == 0777); + assert_se(parse_mode("7777", &m) >= 0 && m == 07777); + assert_se(parse_mode("0", &m) >= 0 && m == 0); +} + +static void test_parse_size(void) { + uint64_t bytes; + + assert_se(parse_size("111", 1024, &bytes) == 0); + assert_se(bytes == 111); + + assert_se(parse_size("111.4", 1024, &bytes) == 0); + assert_se(bytes == 111); + + assert_se(parse_size(" 112 B", 1024, &bytes) == 0); + assert_se(bytes == 112); + + assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0); + assert_se(bytes == 112); + + assert_se(parse_size("3.5 K", 1024, &bytes) == 0); + assert_se(bytes == 3*1024 + 512); + + assert_se(parse_size("3. K", 1024, &bytes) == 0); + assert_se(bytes == 3*1024); + + assert_se(parse_size("3.0 K", 1024, &bytes) == 0); + assert_se(bytes == 3*1024); + + assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL); + + assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0); + assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512); + + assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL); + + assert_se(parse_size("3.5G3B", 1024, &bytes) == 0); + assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3); + + assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0); + assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4); + + assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL); + + assert_se(parse_size("4T3G3B", 1024, &bytes) == 0); + assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3); + + assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0); + assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3); + + assert_se(parse_size("12P", 1024, &bytes) == 0); + assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024); + + assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL); + + assert_se(parse_size("3E 2P", 1024, &bytes) == 0); + assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024); + + assert_se(parse_size("12X", 1024, &bytes) == -EINVAL); + + assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL); + + assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL); + + assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE); + assert_se(parse_size("-1", 1024, &bytes) == -ERANGE); + assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE); + + assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE); + + assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE); +} + +static void test_parse_range(void) { + unsigned lower, upper; + + /* Successful cases */ + assert_se(parse_range("111", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 111); + + assert_se(parse_range("111-123", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 123); + + assert_se(parse_range("123-111", &lower, &upper) == 0); + assert_se(lower == 123); + assert_se(upper == 111); + + assert_se(parse_range("123-123", &lower, &upper) == 0); + assert_se(lower == 123); + assert_se(upper == 123); + + assert_se(parse_range("0", &lower, &upper) == 0); + assert_se(lower == 0); + assert_se(upper == 0); + + assert_se(parse_range("0-15", &lower, &upper) == 0); + assert_se(lower == 0); + assert_se(upper == 15); + + assert_se(parse_range("15-0", &lower, &upper) == 0); + assert_se(lower == 15); + assert_se(upper == 0); + + assert_se(parse_range("128-65535", &lower, &upper) == 0); + assert_se(lower == 128); + assert_se(upper == 65535); + + assert_se(parse_range("1024-4294967295", &lower, &upper) == 0); + assert_se(lower == 1024); + assert_se(upper == 4294967295); + + /* Leading whitespace is acceptable */ + assert_se(parse_range(" 111", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 111); + + assert_se(parse_range(" 111-123", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 123); + + assert_se(parse_range("111- 123", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 123); + + assert_se(parse_range("\t111-\t123", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 123); + + assert_se(parse_range(" \t 111- \t 123", &lower, &upper) == 0); + assert_se(lower == 111); + assert_se(upper == 123); + + /* Error cases, make sure they fail as expected */ + lower = upper = 9999; + assert_se(parse_range("111garbage", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("garbage111", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("garbage", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111-123garbage", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111garbage-123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + /* Empty string */ + lower = upper = 9999; + assert_se(parse_range("", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + /* 111--123 will pass -123 to safe_atou which returns -ERANGE for negative */ + assert_se(parse_range("111--123", &lower, &upper) == -ERANGE); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("-111-123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111.4-123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111-123.4", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111,4-123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111-123,4", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + /* Error on trailing dash */ + assert_se(parse_range("111-", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111--", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111- ", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + /* Whitespace is not a separator */ + assert_se(parse_range("111 123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111\t123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111 \t 123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + /* Trailing whitespace is invalid (from safe_atou) */ + assert_se(parse_range("111 ", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111-123 ", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111 -123", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111 -123 ", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111\t-123\t", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + assert_se(parse_range("111 \t -123 \t ", &lower, &upper) == -EINVAL); + assert_se(lower == 9999); + assert_se(upper == 9999); + + /* Out of the "unsigned" range, this is 1<<64 */ + assert_se(parse_range("0-18446744073709551616", &lower, &upper) == -ERANGE); + assert_se(lower == 9999); + assert_se(upper == 9999); +} + +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(" 12345", &l); + assert_se(r == 0); + assert_se(l == 12345); + + r = safe_atolli("-12345", &l); + assert_se(r == 0); + assert_se(l == -12345); + + r = safe_atolli(" -12345", &l); + assert_se(r == 0); + assert_se(l == -12345); + + r = safe_atolli("12345678901234567890", &l); + assert_se(r == -ERANGE); + + r = safe_atolli("-12345678901234567890", &l); + assert_se(r == -ERANGE); + + r = safe_atolli("junk", &l); + assert_se(r == -EINVAL); +} + +static void test_safe_atou16(void) { + int r; + uint16_t l; + + r = safe_atou16("12345", &l); + assert_se(r == 0); + assert_se(l == 12345); + + r = safe_atou16(" 12345", &l); + assert_se(r == 0); + assert_se(l == 12345); + + r = safe_atou16("123456", &l); + assert_se(r == -ERANGE); + + r = safe_atou16("-1", &l); + assert_se(r == -ERANGE); + + r = safe_atou16(" -1", &l); + assert_se(r == -ERANGE); + + r = safe_atou16("junk", &l); + assert_se(r == -EINVAL); +} + +static void test_safe_atoi16(void) { + int r; + int16_t l; + + r = safe_atoi16("-12345", &l); + assert_se(r == 0); + assert_se(l == -12345); + + r = safe_atoi16(" -12345", &l); + assert_se(r == 0); + assert_se(l == -12345); + + r = safe_atoi16("32767", &l); + assert_se(r == 0); + assert_se(l == 32767); + + r = safe_atoi16(" 32767", &l); + assert_se(r == 0); + assert_se(l == 32767); + + r = safe_atoi16("36536", &l); + assert_se(r == -ERANGE); + + r = safe_atoi16("-32769", &l); + assert_se(r == -ERANGE); + + r = safe_atoi16("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(fabs(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 */ + if (setlocale(LC_NUMERIC, "de_DE.utf8")) { + + r = safe_atod("0.2244", &d); + assert_se(r == 0); + assert_se(fabs(d - 0.2244) < 0.000001); + + r = safe_atod("0,5", &d); + assert_se(r == -EINVAL); + + errno = 0; + assert_se(fabs(strtod("0,5", &e) - 0.5) < 0.00001); + } + + /* And check again, reset */ + assert_se(setlocale(LC_NUMERIC, "C")); + + r = safe_atod("0.2244", &d); + assert_se(r == 0); + assert_se(fabs(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_parse_percent(void) { + assert_se(parse_percent("") == -EINVAL); + assert_se(parse_percent("foo") == -EINVAL); + assert_se(parse_percent("0") == -EINVAL); + assert_se(parse_percent("50") == -EINVAL); + assert_se(parse_percent("100") == -EINVAL); + assert_se(parse_percent("-1") == -EINVAL); + assert_se(parse_percent("0%") == 0); + assert_se(parse_percent("55%") == 55); + assert_se(parse_percent("100%") == 100); + assert_se(parse_percent("-7%") == -ERANGE); + assert_se(parse_percent("107%") == -ERANGE); + assert_se(parse_percent("%") == -EINVAL); + assert_se(parse_percent("%%") == -EINVAL); + assert_se(parse_percent("%1") == -EINVAL); + assert_se(parse_percent("1%%") == -EINVAL); +} + +static void test_parse_percent_unbounded(void) { + assert_se(parse_percent_unbounded("101%") == 101); + assert_se(parse_percent_unbounded("400%") == 400); +} + +static void test_parse_nice(void) { + int n; + + assert_se(parse_nice("0", &n) >= 0 && n == 0); + assert_se(parse_nice("+0", &n) >= 0 && n == 0); + assert_se(parse_nice("-1", &n) >= 0 && n == -1); + assert_se(parse_nice("-2", &n) >= 0 && n == -2); + assert_se(parse_nice("1", &n) >= 0 && n == 1); + assert_se(parse_nice("2", &n) >= 0 && n == 2); + assert_se(parse_nice("+1", &n) >= 0 && n == 1); + assert_se(parse_nice("+2", &n) >= 0 && n == 2); + assert_se(parse_nice("-20", &n) >= 0 && n == -20); + assert_se(parse_nice("19", &n) >= 0 && n == 19); + assert_se(parse_nice("+19", &n) >= 0 && n == 19); + + + assert_se(parse_nice("", &n) == -EINVAL); + assert_se(parse_nice("-", &n) == -EINVAL); + assert_se(parse_nice("+", &n) == -EINVAL); + assert_se(parse_nice("xx", &n) == -EINVAL); + assert_se(parse_nice("-50", &n) == -ERANGE); + assert_se(parse_nice("50", &n) == -ERANGE); + assert_se(parse_nice("+50", &n) == -ERANGE); + assert_se(parse_nice("-21", &n) == -ERANGE); + assert_se(parse_nice("20", &n) == -ERANGE); + assert_se(parse_nice("+20", &n) == -ERANGE); +} + +int main(int argc, char *argv[]) { + log_parse_environment(); + log_open(); + + test_parse_boolean(); + test_parse_pid(); + test_parse_mode(); + test_parse_size(); + test_parse_range(); + test_safe_atolli(); + test_safe_atou16(); + test_safe_atoi16(); + test_safe_atod(); + test_parse_percent(); + test_parse_percent_unbounded(); + test_parse_nice(); + + return 0; +} |