[riot-notifications] [RIOT-OS/RIOT] pkg/openwsn/sock: fix sock_udp_close handling (#15838)

Martine Lenders notifications at github.com
Fri Jan 22 17:02:44 CET 2021

@miri64 requested changes on this pull request.

>      if (_udp_socket_list == NULL) {
     if (sock) {
+        /* drop messages in mbox if any */
+        while(mbox_try_get(&sock->mbox, &msg)) {

Vera++ is complaining here:

        while (mbox_try_get(&sock->mbox, &msg)) {

> +    expect(0 == sock_udp_create(&_sock, &local, &remote, SOCK_FLAGS_REUSE_EP));
+    expect(_inject_packet(&src_addr, &dst_addr, _TEST_PORT_REMOTE,
+                            _TEST_PORT_LOCAL, test_data, sizeof(test_data),
+                            _TEST_NETIF));
+    sock_udp_close(&_sock);
+    expect(_check_net());

How is this test checking that the queue is clean? Should we add it to `tests/{gnrc,lwip}_sock_udp` etc. as well?

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