Re: [Qemu-devel] [PATCH v2 4/5] test-char: fix random socket test failure

[Paolo Bonzini <pbonzini@redhat.com>]

On 23/08/2018 16:31, Marc-André Lureau wrote:
> Peter reported a test failure on FreeBSD with the new reconnect test:
> 
> MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}
> gtester -k --verbose -m=quick tests/test-char
> TEST: tests/test-char... (pid=16190)
>   /char/null:                                                          OK
>   /char/invalid:                                                       OK
>   /char/ringbuf:                                                       OK
>   /char/mux:                                                           OK
>   /char/stdio:                                                         OK
>   /char/pipe:                                                          OK
>   /char/file:                                                          OK
>   /char/file-fifo:                                                     OK
>   /char/udp:                                                           OK
>   /char/serial:                                                        OK
>   /char/hotswap:                                                       OK
>   /char/socket/basic:                                                  OK
>   /char/socket/reconnect:                                              FAIL
> GTester: last random seed: R02S521380d9c12f1dac3ad1763bf5665c27
> (pid=16367)
>   /char/socket/fdpass:                                                 OK
> FAIL: tests/test-char
> **
> ERROR:tests/test-char.c:353:char_socket_test_common: assertion failed:
> (object_property_get_bool(OBJECT(chr_client), "connected",
> &error_abort))
> 
> It turns out that the socket test code checks both server and client
> connection states, but doesn't wait for both.
> 
> Wait for the client side as well.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  tests/test-char.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/tests/test-char.c b/tests/test-char.c
> index 5905d31441..2b1e400542 100644
> --- a/tests/test-char.c
> +++ b/tests/test-char.c
> @@ -349,6 +349,12 @@ static void char_socket_test_common(Chardev *chr)
>      g_assert_cmpint(id, >, 0);
>      main_loop();
>  
> +    d.chr = chr_client;
> +    id = g_idle_add(char_socket_test_idle, &d);
> +    g_source_set_name_by_id(id, "test-idle");
> +    g_assert_cmpint(id, >, 0);
> +    main_loop();
> +
>      g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort));
>      g_assert(object_property_get_bool(OBJECT(chr_client),
>                                        "connected", &error_abort));
> @@ -358,6 +364,7 @@ static void char_socket_test_common(Chardev *chr)
>  
>      object_unparent(OBJECT(chr_client));
>  
> +    d.chr = chr;
>      d.conn_expected = false;
>      g_idle_add(char_socket_test_idle, &d);
>      main_loop();
> 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>