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Test unhandled purpose in route_len_for_purpose()

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Check that route_len_for_purpose() (helper for new_route_len())
correctly fails a non-fatal bug assertion if it encounters an
unhandled circuit purpose when it is called with exit node info.
This commit is contained in:
Taylor Yu 2017-03-28 17:35:25 -04:00 committed by Nick Mathewson
parent ceedcfe9f2
commit f0a57df55c
1 changed files with 23 additions and 0 deletions
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23
src/test/test_circuitbuild.c
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@ -96,10 +96,33 @@ test_new_route_len_safe_exit(void *arg)
UNMOCK(count_acceptable_nodes);
}
/* Make sure a non-fatal assertion fails when new_route_len() gets an
* unexpected circuit purpose. */
static void
test_new_route_len_unhandled_exit(void *arg)
{
int r;
(void)arg;
MOCK(count_acceptable_nodes, mock_count_acceptable_nodes);
tor_capture_bugs_(1);
r = new_route_len(CIRCUIT_PURPOSE_CONTROLLER, &dummy_ei, &dummy_nodes);
tt_int_op(DEFAULT_ROUTE_LEN + 1, OP_EQ, r);
tt_int_op(smartlist_len(tor_get_captured_bug_log_()), OP_EQ, 1);
tt_str_op(smartlist_get(tor_get_captured_bug_log_(), 0), OP_EQ,
"!(exit_ei && !known_purpose)");
tor_end_capture_bugs_();
done:
UNMOCK(count_acceptable_nodes);
}
struct testcase_t circuitbuild_tests[] = {
{ "noexit", test_new_route_len_noexit, 0, NULL, NULL },
{ "safe_exit", test_new_route_len_safe_exit, 0, NULL, NULL },
{ "unsafe_exit", test_new_route_len_unsafe_exit, 0, NULL, NULL },
{ "unhandled_exit", test_new_route_len_unhandled_exit, 0, NULL, NULL },
END_OF_TESTCASES
};