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tests: drivers: can: api: Add negative test for can_send()

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Check error codes when sending invalid frames:
- too big data payload;
- wrong set of flags.

Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>
This commit is contained in:
Sebastian Głąb 2024-10-18 14:29:59 +02:00 • committed by Alberto Escolar
commit 8023a58c2a
2 changed files with 66 additions and 0 deletions
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39
tests/drivers/can/api/src/canfd.c
View file

@ -238,6 +238,45 @@ ZTEST(canfd, test_canfd_get_capabilities)
"CAN FD loopback mode not supported");
}
/**
* @brief Test sending CAN FD frame with too big payload.
*/
ZTEST(canfd, test_send_fd_dlc_out_of_range)
{
struct can_frame frame = {
.flags = CAN_FRAME_FDF | CAN_FRAME_BRS,
.id = TEST_CAN_STD_ID_1,
.dlc = CANFD_MAX_DLC + 1U,
};
int err;
Z_TEST_SKIP_IFNDEF(CONFIG_RUNTIME_ERROR_CHECKS);
err = can_send(can_dev, &frame, TEST_SEND_TIMEOUT, NULL, NULL);
zassert_equal(err, -EINVAL, "wrong error on sending invalid frame (err %d)", err);
}
/**
* @brief Test error when CAN FD Error State Indicator (ESI) is send without FD format flag (FDF).
*
* CAN FD Error State Indicator (ESI) indicates that the transmitting node is
* in error-passive state. Only valid in combination with CAN_FRAME_FDF.
*/
ZTEST(canfd, test_send_fd_incorrect_esi)
{
struct can_frame frame = {
.flags = CAN_FRAME_ESI,
.id = TEST_CAN_STD_ID_1,
.dlc = 0,
};
int err;
Z_TEST_SKIP_IFNDEF(CONFIG_RUNTIME_ERROR_CHECKS);
err = can_send(can_dev, &frame, TEST_SEND_TIMEOUT, NULL, NULL);
zassert_equal(err, -ENOTSUP, "wrong error on sending invalid frame (err %d)", err);
}
/**
* @brief Test send/receive with standard (11-bit) CAN IDs and classic CAN frames.
*/

27
tests/drivers/can/api/src/classic.c
View file

@ -856,6 +856,33 @@ ZTEST(can_classic, test_send_ext_id_out_of_range)
send_invalid_frame(can_dev, &frame);
}
/**
* @brief Test sending standard (11-bit ID) CAN frame with too big payload.
*/
ZTEST(can_classic, test_send_std_id_dlc_of_range)
{
struct can_frame frame = {
.id = TEST_CAN_STD_ID_1,
.dlc = CAN_MAX_DLC + 1U,
};
send_invalid_frame(can_dev, &frame);
}
/**
* @brief Test sending extended (29-bit ID) CAN frame with too big payload.
*/
ZTEST(can_classic, test_send_ext_id_dlc_of_range)
{
struct can_frame frame = {
.flags = CAN_FRAME_IDE,
.id = TEST_CAN_EXT_ID_1,
.dlc = CAN_MAX_DLC + 1U,
};
send_invalid_frame(can_dev, &frame);
}
/**
* @brief Test send/receive with standard (11-bit) CAN IDs.
*/