diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/test-iov.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/tests/test-iov.c b/tests/test-iov.c index 458ca25..9c415e2 100644 --- a/tests/test-iov.c +++ b/tests/test-iov.c @@ -26,6 +26,12 @@ static void iov_free(struct iovec *iov, unsigned niov) g_free(iov); } +static bool iov_equals(const struct iovec *a, const struct iovec *b, + unsigned niov) +{ + return memcmp(a, b, sizeof(a[0]) * niov) == 0; +} + static void test_iov_bytes(struct iovec *iov, unsigned niov, size_t offset, size_t bytes) { @@ -335,6 +341,87 @@ static void test_discard_front(void) iov_free(iov, iov_cnt); } +static void test_discard_front_undo(void) +{ + IOVDiscardUndo undo; + struct iovec *iov; + struct iovec *iov_tmp; + struct iovec *iov_orig; + unsigned int iov_cnt; + unsigned int iov_cnt_tmp; + size_t size; + + /* Discard zero bytes */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_tmp = iov; + iov_cnt_tmp = iov_cnt; + iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, 0, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard more bytes than vector size */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_tmp = iov; + iov_cnt_tmp = iov_cnt; + size = iov_size(iov, iov_cnt); + iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size + 1, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard entire vector */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_tmp = iov; + iov_cnt_tmp = iov_cnt; + size = iov_size(iov, iov_cnt); + iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard within first element */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_tmp = iov; + iov_cnt_tmp = iov_cnt; + size = g_test_rand_int_range(1, iov->iov_len); + iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard entire first element */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_tmp = iov; + iov_cnt_tmp = iov_cnt; + iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, iov->iov_len, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard within second element */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_tmp = iov; + iov_cnt_tmp = iov_cnt; + size = iov->iov_len + g_test_rand_int_range(1, iov[1].iov_len); + iov_discard_front_undoable(&iov_tmp, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); +} + static void test_discard_back(void) { struct iovec *iov; @@ -404,6 +491,82 @@ static void test_discard_back(void) iov_free(iov, iov_cnt); } +static void test_discard_back_undo(void) +{ + IOVDiscardUndo undo; + struct iovec *iov; + struct iovec *iov_orig; + unsigned int iov_cnt; + unsigned int iov_cnt_tmp; + size_t size; + + /* Discard zero bytes */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_cnt_tmp = iov_cnt; + iov_discard_back_undoable(iov, &iov_cnt_tmp, 0, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard more bytes than vector size */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_cnt_tmp = iov_cnt; + size = iov_size(iov, iov_cnt); + iov_discard_back_undoable(iov, &iov_cnt_tmp, size + 1, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard entire vector */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_cnt_tmp = iov_cnt; + size = iov_size(iov, iov_cnt); + iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard within last element */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_cnt_tmp = iov_cnt; + size = g_test_rand_int_range(1, iov[iov_cnt - 1].iov_len); + iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard entire last element */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_cnt_tmp = iov_cnt; + size = iov[iov_cnt - 1].iov_len; + iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); + + /* Discard within second-to-last element */ + iov_random(&iov, &iov_cnt); + iov_orig = g_memdup(iov, sizeof(iov[0]) * iov_cnt); + iov_cnt_tmp = iov_cnt; + size = iov[iov_cnt - 1].iov_len + + g_test_rand_int_range(1, iov[iov_cnt - 2].iov_len); + iov_discard_back_undoable(iov, &iov_cnt_tmp, size, &undo); + iov_discard_undo(&undo); + assert(iov_equals(iov, iov_orig, iov_cnt)); + g_free(iov_orig); + iov_free(iov, iov_cnt); +} + int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); @@ -412,5 +575,7 @@ int main(int argc, char **argv) g_test_add_func("/basic/iov/io", test_io); g_test_add_func("/basic/iov/discard-front", test_discard_front); g_test_add_func("/basic/iov/discard-back", test_discard_back); + g_test_add_func("/basic/iov/discard-front-undo", test_discard_front_undo); + g_test_add_func("/basic/iov/discard-back-undo", test_discard_back_undo); return g_test_run(); } |