Re: [PATCH v3] tst: Provide test for sched_rr_get_interval

[Lukasz Majewski <lukma@denx.de>]

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Dear Community,

> This change adds new test to assess sched_rr_get_interval's
> functionality.
> 
> To be more specific - following use cases are checked:
> - If the read interval is correct
> - If the proper ABI is used - to check if adjacent data is not
>   overwritten
> 
> ---
> Changes for v2:
> - Move test execution from tests to xtests
> - Use TEST_VERIFY_EXIT () macro instead of if () clause with
> FAIL_EXIT1 ()
> 
> Changes for v3:
> - Replace TEST_VERIFY_EXIT () with TEST_VERIFY () to allow executing
> all tests (do not quit early after error)

Are there any more comments regarding this test? Is it eligible for
pulling?

> ---
>  posix/Makefile                    |  2 +-
>  posix/tst-sched_rr_get_interval.c | 45
> +++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+), 1
> deletion(-) create mode 100644 posix/tst-sched_rr_get_interval.c
> 
> diff --git a/posix/Makefile b/posix/Makefile
> index f54015b9a8..239fbb340a 100644
> --- a/posix/Makefile
> +++ b/posix/Makefile
> @@ -108,7 +108,7 @@ tests-internal	:= bug-regex5 bug-regex20
> bug-regex33 \ tst-rfc3484 tst-rfc3484-2 tst-rfc3484-3 \
>  		   tst-glob_lstat_compat tst-spawn4-compat
>  tests-container := bug-ga2
> -xtests		:= tst-getaddrinfo4 tst-getaddrinfo5
> +xtests		:= tst-getaddrinfo4 tst-getaddrinfo5
> tst-sched_rr_get_interval ifeq (yes,$(build-shared))
>  test-srcs	:= globtest
>  tests           += wordexp-test tst-exec tst-spawn tst-spawn2
> tst-spawn3 diff --git a/posix/tst-sched_rr_get_interval.c
> b/posix/tst-sched_rr_get_interval.c new file mode 100644
> index 0000000000..e5ebe4d004
> --- /dev/null
> +++ b/posix/tst-sched_rr_get_interval.c
> @@ -0,0 +1,45 @@
> +/* Test for sched_rr_get_interval
> +   Copyright (C) 2021 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be
> useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <time.h>
> +#include <sched.h>
> +#include <support/check.h>
> +
> +static int
> +do_test (void)
> +{
> +  struct timespec ts[2] = { { -1, -1 }, { -1, -1 } };
> +  const struct sched_param param = {
> +    .sched_priority = sched_get_priority_max (SCHED_RR) - 10,
> +  };
> +  int result = sched_setscheduler (0, SCHED_RR, &param);
> +
> +  if (result != 0)
> +    FAIL_UNSUPPORTED ("*** sched_setscheduler error: %m\n");
> +
> +  TEST_COMPARE (sched_rr_get_interval (0, ts), 0);
> +
> +  /* Check if returned time values are correct.  */
> +  TEST_VERIFY (ts[0].tv_sec >= 0);
> +  TEST_VERIFY (ts[0].tv_nsec >= 0 && ts[0].tv_nsec < 1000000000);
> +  TEST_VERIFY (ts[1].tv_sec == -1 && ts[1].tv_nsec == -1);
> +
> +  return 0;
> +}
> +
> +#include <support/test-driver.c>




Best regards,

Lukasz Majewski

--

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