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Add extra check for invalid event implementation #726

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merged 3 commits into from
Jul 27, 2020
Merged

Add extra check for invalid event implementation #726

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deb0e41
Add tests proving the required functionality
Blast545 Jul 23, 2020
eed49c7
Add check to the functions
Blast545 Jul 24, 2020
257424c
Change name to test
Blast545 Jul 27, 2020
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6 changes: 4 additions & 2 deletions rcl/src/rcl/event.c
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Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,9 @@ rcl_take_event(
void * event_info)
{
bool taken = false;
RCL_CHECK_ARGUMENT_FOR_NULL(event, RCL_RET_EVENT_INVALID);
if (!rcl_event_is_valid(event)) {
return RCL_RET_EVENT_INVALID;
}
RCL_CHECK_ARGUMENT_FOR_NULL(event_info, RCL_RET_INVALID_ARGUMENT);
rmw_ret_t ret = rmw_take_event(&event->impl->rmw_handle, event_info, &taken);
if (RMW_RET_OK != ret) {
Expand Down Expand Up @@ -179,7 +181,7 @@ rcl_event_fini(rcl_event_t * event)
rmw_event_t *
rcl_event_get_rmw_handle(const rcl_event_t * event)
{
if (NULL == event) {
if (!rcl_event_is_valid(event)) {
return NULL; // error already set
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} else {
return &event->impl->rmw_handle;
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23 changes: 15 additions & 8 deletions rcl/test/rcl/test_events.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -725,14 +725,6 @@ TEST_F(TestEventFixture, test_bad_event_ini)
tear_down_publisher_subscriber();
}

/*
* Passing bad argument to get_rmw_handle
*/
TEST_F(TestEventFixture, test_bad_get_handle)
{
EXPECT_EQ(NULL, rcl_event_get_rmw_handle(NULL));
}

/*
* Test cases for the event_is_valid function
*/
Expand Down Expand Up @@ -773,6 +765,21 @@ TEST_F(TestEventFixture, test_event_is_valid)
tear_down_publisher_subscriber();
}

/*
* Test passing not init to take_event/get_handle
*/
TEST_F(TestEventFixture, test_event_is_invalid) {
// nullptr
rmw_offered_deadline_missed_status_t deadline_status;
EXPECT_EQ(RCL_RET_EVENT_INVALID, rcl_take_event(NULL, &deadline_status));
EXPECT_EQ(NULL, rcl_event_get_rmw_handle(NULL));

// Zero Init, invalid
rcl_event_t publisher_event_test = rcl_get_zero_initialized_event();
EXPECT_EQ(RCL_RET_EVENT_INVALID, rcl_take_event(&publisher_event_test, &deadline_status));
EXPECT_EQ(NULL, rcl_event_get_rmw_handle(&publisher_event_test));
}

/*
* Basic test subscriber event message lost
*/
Expand Down