From 450e36f8ddf974e503731288c8d8bb8c62e67e47 Mon Sep 17 00:00:00 2001 From: Charles Date: Fri, 17 Jul 2020 16:33:45 +0200 Subject: Fixing ft_strtol overflow --- test/src/str/test_ft_strtol.c | 129 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 test/src/str/test_ft_strtol.c (limited to 'test/src/str/test_ft_strtol.c') diff --git a/test/src/str/test_ft_strtol.c b/test/src/str/test_ft_strtol.c new file mode 100644 index 0000000..eacaa82 --- /dev/null +++ b/test/src/str/test_ft_strtol.c @@ -0,0 +1,129 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* test_ft_strtol.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: charles +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/04/01 19:41:59 by charles #+# #+# */ +/* Updated: 2020/07/17 16:31:20 by charles ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libft_test.h" + +TEST_GROUP(ft_strtol); + +TEST_SETUP(ft_strtol) +{} + +TEST_TEAR_DOWN(ft_strtol) +{} + +static long expected; +static long actual; +static char *expected_rest; +static char *actual_rest; +static int expected_errno; +static int actual_errno; +static char error_buf[2048]; + +static char *rest = NULL; + +#define TEST_ASSERT_FT_STRTOL(str, base) do { \ + errno = 0; \ + expected = strtol(str, &rest, base); \ + expected_rest = rest; \ + expected_errno = errno; \ + errno = 0; \ + actual = ft_strtol(str, &rest, base); \ + actual_rest = rest; \ + actual_errno = errno; \ + if (actual != expected || actual_errno != expected_errno || expected_rest != actual_rest) \ + { \ + snprintf(error_buf, 2048, \ + "with: ("#str", "#base") expected: %ld actual: %ld " \ + "rest: expected: \"%s\" actual: \"%s\" " \ + "errno: expected: %d actual: %d", \ + expected, actual, expected_rest, actual_rest, expected_errno, actual_errno); \ + TEST_FAIL_MESSAGE(error_buf); \ + } \ +} while(0); + +TEST(ft_strtol, basic) +{ + TEST_ASSERT_FT_STRTOL("", 10); + TEST_ASSERT_FT_STRTOL("0", 10); + TEST_ASSERT_FT_STRTOL("000000000", 10); + TEST_ASSERT_FT_STRTOL("1", 10); + TEST_ASSERT_FT_STRTOL("2", 10); + TEST_ASSERT_FT_STRTOL("3", 10); + TEST_ASSERT_FT_STRTOL("4", 10); + TEST_ASSERT_FT_STRTOL("5", 10); + TEST_ASSERT_FT_STRTOL("6", 10); + TEST_ASSERT_FT_STRTOL("7", 10); + TEST_ASSERT_FT_STRTOL("8", 10); + TEST_ASSERT_FT_STRTOL("9", 10); + TEST_ASSERT_FT_STRTOL("000000000000000000000000000000000000000000000000000000000008", 10); + + TEST_ASSERT_FT_STRTOL(" 9", 10); + TEST_ASSERT_FT_STRTOL(" \v \t\f\t\t\t\n\r\f\r\v9", 10); + /* TEST_ASSERT_FT_STRTOL(" \v . \t\f\t\t\t\n\r\f\r\v9", 10); */ // dont really care atm + TEST_ASSERT_FT_STRTOL(" 9bonjour", 10); + TEST_ASSERT_FT_STRTOL(" \v \t\f\t\t\t\n\r\f\r\v9 \t\t\v\r\f\r", 10); + /* TEST_ASSERT_FT_STRTOL(" \v . \t\f\t\t\t\n\r\f\r\v9 \t bonjour", 10); */ +} + +TEST(ft_strtol, limits) +{ + TEST_ASSERT_FT_STRTOL("-128", 10); + TEST_ASSERT_FT_STRTOL("127", 10); + TEST_ASSERT_FT_STRTOL("255", 10); + TEST_ASSERT_FT_STRTOL("-128", 10); + TEST_ASSERT_FT_STRTOL("127", 10); + TEST_ASSERT_FT_STRTOL("-32768", 10); + TEST_ASSERT_FT_STRTOL("32767", 10); + TEST_ASSERT_FT_STRTOL("65535", 10); + TEST_ASSERT_FT_STRTOL("-2147483648", 10); + TEST_ASSERT_FT_STRTOL("2147483647", 10); + TEST_ASSERT_FT_STRTOL("4294967295", 10); + TEST_ASSERT_FT_STRTOL("-9223372036854775808", 10); + TEST_ASSERT_FT_STRTOL("9223372036854775807", 10); + TEST_ASSERT_FT_STRTOL("18446744073709551615", 10); + + TEST_ASSERT_FT_STRTOL("-129", 10); + TEST_ASSERT_FT_STRTOL("126", 10); + TEST_ASSERT_FT_STRTOL("254", 10); + TEST_ASSERT_FT_STRTOL("-127", 10); + TEST_ASSERT_FT_STRTOL("126", 10); + TEST_ASSERT_FT_STRTOL("-32767", 10); + TEST_ASSERT_FT_STRTOL("32766", 10); + TEST_ASSERT_FT_STRTOL("65534", 10); + TEST_ASSERT_FT_STRTOL("-2147483647", 10); + TEST_ASSERT_FT_STRTOL("2147483646", 10); + TEST_ASSERT_FT_STRTOL("4294967294", 10); + TEST_ASSERT_FT_STRTOL("-9223372036854775807", 10); + TEST_ASSERT_FT_STRTOL("9223372036854775806", 10); + TEST_ASSERT_FT_STRTOL("18446744073709551614", 10); + + TEST_ASSERT_FT_STRTOL("-129", 10); + TEST_ASSERT_FT_STRTOL("128", 10); + TEST_ASSERT_FT_STRTOL("256", 10); + TEST_ASSERT_FT_STRTOL("-129", 10); + TEST_ASSERT_FT_STRTOL("128", 10); + TEST_ASSERT_FT_STRTOL("-32769", 10); + TEST_ASSERT_FT_STRTOL("32768", 10); + TEST_ASSERT_FT_STRTOL("65536", 10); + TEST_ASSERT_FT_STRTOL("-2147483649", 10); + TEST_ASSERT_FT_STRTOL("2147483648", 10); + TEST_ASSERT_FT_STRTOL("4294967296", 10); + TEST_ASSERT_FT_STRTOL("-9223372036854775809", 10); + TEST_ASSERT_FT_STRTOL("9223372036854775808", 10); + TEST_ASSERT_FT_STRTOL("18446744073709551616", 10); + + TEST_ASSERT_FT_STRTOL("-9223372036854775809", 10); + TEST_ASSERT_FT_STRTOL("9223372036854775808", 10); + TEST_ASSERT_FT_STRTOL("-9223372036854775808", 10); + TEST_ASSERT_FT_STRTOL("18446744073709551615", 10); + TEST_ASSERT_FT_STRTOL("18446744073709551616", 10); +} -- cgit