diff options
Diffstat (limited to 'fs/tftp.c')
| -rw-r--r-- | fs/tftp.c | 106 |
1 files changed, 105 insertions, 1 deletions
@@ -36,6 +36,8 @@ #include <parseopt.h> #include <linux/sizes.h> +#include "tftp-selftest.h" + #define TFTP_PORT 69 /* Well known TFTP port number */ /* Seconds to wait before remote server is allowed to resend a lost packet */ @@ -84,7 +86,7 @@ #define TFTP_ERR_RESEND 1 -#ifdef DEBUG +#if defined(DEBUG) || IS_ENABLED(CONFIG_SELFTEST_TFTP) # define debug_assert(_cond) BUG_ON(!(_cond)) #else # define debug_assert(_cond) do { \ @@ -1217,3 +1219,105 @@ static int tftp_init(void) return register_fs_driver(&tftp_driver); } coredevice_initcall(tftp_init); + + +BSELFTEST_GLOBALS(); + +static int __maybe_unused tftp_window_cache_selftest(void) +{ + struct tftp_cache *cache = malloc(sizeof *cache); + + if (!cache) + return -ENOMEM; + + (void)skipped_tests; + + expect_it( is_block_before(0, 1)); + expect_it(!is_block_before(1, 0)); + expect_it( is_block_before(65535, 0)); + expect_it(!is_block_before(0, 65535)); + + expect_eq(get_block_delta(0, 1), 1); + expect_eq(get_block_delta(65535, 0), 1); + expect_eq(get_block_delta(65535, 1), 2); + + expect_it(!in_window(0, 1, 3)); + expect_it( in_window(1, 1, 3)); + expect_it( in_window(2, 1, 3)); + expect_it( in_window(3, 1, 3)); + expect_it(!in_window(4, 1, 3)); + + expect_it(!in_window(65534, 65535, 1)); + expect_it( in_window(65535, 65535, 1)); + expect_it( in_window( 0, 65535, 1)); + expect_it( in_window( 1, 65535, 1)); + expect_it(!in_window( 2, 65535, 1)); + + + tftp_window_cache_init(cache, 512, 5); + + if (tftp_window_cache_size(cache) < 4) + goto out; + + expect_eq(tftp_window_cache_size(cache), 4); + + /* sequence 1 */ + expect_ok (tftp_window_cache_insert(cache, 20, "20", 2)); + expect_ok (tftp_window_cache_insert(cache, 22, "22", 2)); + expect_ok (tftp_window_cache_insert(cache, 21, "21", 2)); + expect_ok (tftp_window_cache_insert(cache, 23, "23", 2)); + expect_err(tftp_window_cache_insert(cache, 24, "24", 2)); + expect_err(tftp_window_cache_insert(cache, 19, "19", 2)); + expect_ok (tftp_window_cache_insert(cache, 22, "22", 2)); + expect_ok (tftp_window_cache_insert(cache, 20, "20", 2)); + + expect_eq(tftp_window_cache_pop(cache)->id, 20); + expect_eq(tftp_window_cache_pop(cache)->id, 21); + expect_eq(tftp_window_cache_pop(cache)->id, 22); + expect_eq(tftp_window_cache_pop(cache)->id, 23); + expect_eq(cache->id, TFTP_CACHE_NO_ID); + + /* sequence 2 */ + expect_ok (tftp_window_cache_insert(cache, 30, "30", 2)); + expect_ok (tftp_window_cache_insert(cache, 32, "32", 2)); + expect_err(tftp_window_cache_insert(cache, 34, "34", 2)); + + expect_it(tftp_window_cache_starts_with(cache, 30)); + expect_eq(tftp_window_cache_pop(cache)->id, 30); + + expect_ok (tftp_window_cache_insert(cache, 34, "34", 2)); + expect_err(tftp_window_cache_insert(cache, 35, "35", 2)); + + expect_it(!tftp_window_cache_starts_with(cache, 30)); + expect_it(!tftp_window_cache_starts_with(cache, 31)); + expect_it(!tftp_window_cache_starts_with(cache, 32)); + expect_NULL(tftp_window_cache_pop(cache)); + + expect_it(tftp_window_cache_starts_with(cache, 32)); + expect_eq(tftp_window_cache_pop(cache)->id, 32); + + expect_NULL(tftp_window_cache_pop(cache)); + expect_eq(tftp_window_cache_pop(cache)->id, 34); + + expect_eq(cache->id, TFTP_CACHE_NO_ID); + + /* sequence 3 */ + expect_ok(tftp_window_cache_insert(cache, 40, "40", 2)); + expect_ok(tftp_window_cache_insert(cache, 42, "42", 2)); + expect_ok(tftp_window_cache_insert(cache, 43, "43", 2)); + + expect_it(!tftp_window_cache_remove_id(cache, 30)); + expect_it(!tftp_window_cache_remove_id(cache, 41)); + expect_it(!tftp_window_cache_remove_id(cache, 44)); + + expect_it( tftp_window_cache_remove_id(cache, 42)); + expect_it(!tftp_window_cache_remove_id(cache, 42)); + +out: + tftp_window_cache_free(cache); + + return 0; +} +#ifdef CONFIG_SELFTEST_TFTP +bselftest(core, tftp_window_cache_selftest); +#endif |