diff options
Diffstat (limited to 'test/conf_include_test.c')
| -rw-r--r-- | test/conf_include_test.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/conf_include_test.c b/test/conf_include_test.c index ba79d2c..ee02d9b 100644 --- a/test/conf_include_test.c +++ b/test/conf_include_test.c @@ -153,6 +153,31 @@ static int test_check_null_numbers(void) return 1; } +static int test_check_overflow(void) +{ +#if defined(_BSD_SOURCE) \ + || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) \ + || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600) + long val = 0; + char max[(sizeof(long) * 8) / 3 + 3]; + char *p; + + p = max + sprintf(max, "0%ld", LONG_MAX) - 1; + setenv("FNORD", max, 1); + if (!TEST_true(NCONF_get_number(NULL, "missing", "FNORD", &val)) + || !TEST_long_eq(val, LONG_MAX)) + return 0; + + while (++*p > '9') + *p-- = '0'; + + setenv("FNORD", max, 1); + if (!TEST_false(NCONF_get_number(NULL, "missing", "FNORD", &val))) + return 0; +#endif + return 1; +} + int setup_tests(void) { const char *conf_file; @@ -181,6 +206,7 @@ int setup_tests(void) ADD_TEST(test_load_config); ADD_TEST(test_check_null_numbers); + ADD_TEST(test_check_overflow); return 1; } |