aboutsummaryrefslogtreecommitdiff
path: root/tests/test-iov.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/test-iov.c')
-rw-r--r--tests/test-iov.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/tests/test-iov.c b/tests/test-iov.c
index 458ca25099..9c415e2f1f 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();
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-17 20:26:50 +0000