Re: [spice-common v4 7/7] log: Introduce spice_assert_if_fail

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> 
> They can be used in spice-server to replace spice_return_if_fail.
> Currently spice_return_if_fail aborts in spice-server, and it's not
> always clear whether using a non-aborting g_return_if_fail is acceptable
> or not. Having a spice_assert_if_fail alternative makes it clearer that
> this is not going to return, while having a name distinct from assert()
> so that places which needs reviewing can be spotted more easily.
> 
> Acked-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>
> ---
>  common/log.h         |  3 +++
>  tests/test-logging.c | 12 ++++++++++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/common/log.h b/common/log.h
> index 0e03f59..b83b0e0 100644
> --- a/common/log.h
> +++ b/common/log.h
> @@ -95,6 +95,9 @@ void spice_log(const char *log_domain,
>      }                                                   \
>  } G_STMT_END
>  
> +#define spice_assert_val_if_fail(cond, val) spice_assert(cond)

Honestly this macro does not make much sense to me.
spice_assert is supposed to never return so why having a macro to
accept a return value and not returning?

Frediano


> +#define spice_assert_if_fail(cond) spice_assert(cond)
> +
>  #define spice_assert(x) G_STMT_START {                  \
>      if G_LIKELY(x) { } else {                           \
>          spice_error("assertion `%s' failed", #x);       \
> diff --git a/tests/test-logging.c b/tests/test-logging.c
> index 008ce48..0880fff 100644
> --- a/tests/test-logging.c
> +++ b/tests/test-logging.c
> @@ -166,6 +166,17 @@ static void test_spice_non_fatal_g_return_if_fail(void)
>      g_test_trap_assert_passed();
>  }
>  
> +/* Checks that spice_assert_if_fail() aborts */
> +static void test_spice_fatal_assert_if_fail(void)
> +{
> +    if (g_test_subprocess()) {
> +        spice_assert_if_fail(FALSE);
> +        return;
> +    }
> +    g_test_trap_subprocess(NULL, 0, 0);
> +    g_test_trap_assert_failed();
> +}
> +
>  /* Checks that spice_*, g_* and other_* (different log domain as g_*) all
>   * go through g_log() with the correct domain/log level. This then checks
>   * that only logs with level 'message' or higher are shown by default.
> @@ -401,6 +412,7 @@ int main(int argc, char **argv)
>      g_test_add_func("/spice-common/spice-non-fatal-gcritical",
>      test_spice_non_fatal_g_critical);
>      g_test_add_func("/spice-common/spice-fatal-gcritical",
>      test_spice_fatal_g_critical);
>      g_test_add_func("/spice-common/spice-fatal-return-if-fail",
>      test_spice_fatal_return_if_fail);
> +    g_test_add_func("/spice-common/spice-fatal-assert-if-fail",
> test_spice_fatal_assert_if_fail);
>      g_test_add_func("/spice-common/spice-non-fatal-greturn-if-fail",
>      test_spice_non_fatal_g_return_if_fail);
>      g_test_add_func("/spice-common/spice-fatal-warning",
>      test_spice_fatal_warning);
>  
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