auth: test-mech - Fix empty initial reponse tests

Empty initial responses were interpreted as the absense of an initial response,
thereby triggering an empty server challenge and a subsequent erroneous failure.
This was not how these tests were intended.

diff --git a/src/auth/test-mech.c b/src/auth/test-mech.c
index d6150a1cd1ec032f9b40d058ff8112d26a14d8d3..d574e78ae858bbbf721a717aa3aa39ee8db93d56 100644 (file)
--- a/src/auth/test-mech.c
+++ b/src/auth/test-mech.c
@@ -341,8 +341,8 @@ static void test_mechs(void)
                        test_expect_error_string(test_case->expect_error);
 
                request->state = AUTH_REQUEST_STATE_NEW;
-               unsigned char *input_dup = test_case->len == 0 ? NULL :
-                       i_memdup(test_case->in, test_case->len);
+               unsigned char *input_dup = i_malloc(I_MAX(test_case->len, 1));
+               memcpy(input_dup, test_case->in, test_case->len);
                request->initial_response = input_dup;
                request->initial_response_len = test_case->len;
                auth_request_initial(request);