[PATCH v11] tests for fenv.h functions

[Eshan Dhawan]

Hello everyone,

I have added all the changes as recommended by everyone.
does anything require to be changed?
Or could it be merged now?
:)

On Fri, Mar 27, 2020 at 10:35 PM Eshan dhawan <eshandhawan51 at gmail.com>
wrote:

> ---
>  testsuites/psxtests/psxfenv01/init.c        | 88 ++++++++++++++++-----
>  testsuites/psxtests/psxfenv01/psxfenv01.doc |  9 ++-
>  testsuites/psxtests/psxfenv01/psxfenv01.scn |  4 -
>  3 files changed, 76 insertions(+), 25 deletions(-)
>
> diff --git a/testsuites/psxtests/psxfenv01/init.c
> b/testsuites/psxtests/psxfenv01/init.c
> index cdb0fa596e..cfa31d6a16 100644
> --- a/testsuites/psxtests/psxfenv01/init.c
> +++ b/testsuites/psxtests/psxfenv01/init.c
> @@ -6,6 +6,7 @@
>  /*
>   * SPDX-License-Identifier: BSD-2-Clause
>   *
> + * Copyright (C) 2020 Eshan Dhawan
>   * Copyright (C) 2019 Vaibhav Gupta
>   *
>   * Redistribution and use in source and binary forms, with or without
> @@ -46,11 +47,12 @@
>  #include <string.h>
>  #include <rtems/test.h>
>  #include <tmacros.h>
> +#include <float.h>
>
>  const char rtems_test_name[] = "PSXFENV 01";
>
>  /* forward declarations to avoid warnings */
> -rtems_task Init(rtems_task_argument ignored);
> +rtems_task Init( rtems_task_argument ignored );
>
>  /* Test Function Begins */
>  rtems_task Init(rtems_task_argument ignored)
> @@ -62,40 +64,90 @@ rtems_task Init(rtems_task_argument ignored)
>
>    /*
>     * 'FE_ALL_EXCEPT' will be defined only when 'feclearexcept()',
> -   * 'fegetexceptflag()', 'feraiseexcept()', 'fesetexceptflag()' and
> -   * 'fetestexcept()' functions are supported by the architecture.
> +   * fegetexceptflag() , feraiseexcept(), fesetexceptflag() and
> +   * fetestexcept() functions are supported by the architecture.
>     * Hence their testcases can be wrapped under #ifdef and #endif.
>     */
>    #ifdef FE_ALL_EXCEPT /* floating-point exceptions */
> -    puts( "fesetenv(FE_DFL_ENV)." );
> -    r = fesetenv(FE_DFL_ENV);
> -    if (r)
> -      printf("fesetenv ==> %d\n", r);
> +    r = fesetenv( FE_DFL_ENV );
> +    if ( r ) {
> +      printf( "fesetenv ==> %d\n", r);
> +    }
>      rtems_test_assert( r == 0 );
>
> -    /* Test 'feclearexcept()' and 'fetestexcept()' in one go. */
> -    puts( "feclearexcept(FE_ALL_EXCEPT)." );
> -    r = feclearexcept(FE_ALL_EXCEPT);
> -    if (r)
> -      printf("feclearexcept ==> 0x%x\n", r);
> +    /* Test feclearexcept() and fetestexcept() in one go. */
> +    r = feclearexcept( FE_ALL_EXCEPT );
> +    if ( r ) {
> +      printf( "feclearexcept ==> 0x%x\n", r );
> +    }
>      rtems_test_assert( r == 0 );
>
>      r = fetestexcept( FE_ALL_EXCEPT );
> -    if (r)
> -      printf("fetestexcept ==> 0x%x\n", r);
> +    if ( r ) {
> +      printf( "fetestexcept ==> 0x%x\n", r );
> +    }
>      rtems_test_assert( r == 0 );
>
> -    /* Test 'FE_DIVBYZERO' */
> -    puts( "Divide by zero and confirm fetestexcept()" );
> +    /* Test 'FE_DIVBYZERO'
> +     *Divide by zero and confirm fetestexcept() */
>      a = 0.0;
>      b = 1.0;
>      c = b/a;
>      (void) c;
> +    /* Test fegetexceptflag() and fesetexceptflag() */
> +    r = fegetexceptflag( &excepts, FE_ALL_EXCEPT );
> +    if ( r ) {
> +      printf( "fegetexceptflag ==> 0x%x\n", r );
> +    }
> +    rtems_test_assert( r == 0 );
>
> -    fegetexceptflag(&excepts,FE_ALL_EXCEPT);
> +    r = fesetexceptflag( &excepts, FE_ALL_EXCEPT );
> +    if ( r ) {
> +      printf( "fesetexceptflag ==> 0x%x\n", r );
> +    }
> +    rtems_test_assert( r == 0 );
>
> +    /* Test for fegetround() and fesetround()
> +     * They have four main macros to be tested separated by ifdef
> +     * Since not all architectures support them
> +     * The test case gets and sets the rounding directions */
> +#ifdef FE_TONEAREST
> +    rtems_test_assert( fegetround() == FE_TONEAREST );
> +#endif
> +#ifdef FE_TOWARDZERO
> +  r = fesetround( FE_TOWARDZERO );
> +  if ( r ) {
> +      printf( "fesetround ==> 0x%x\n", r );
> +    }
> +  rtems_test_assert( r == 0 );
> +  rtems_test_assert( fegetround() == FE_TOWARDZERO );
> +#endif
> +#ifdef FE_DOWNWARD
> +  r = fesetround( FE_DOWNWARD );
> +  if ( r ) {
> +      printf( "fesetround ==> 0x%x\n", r );
> +    }
> +  rtems_test_assert( r == 0 );
> +  rtems_test_assert( fegetround() == FE_DOWNWARD );
> +#endif
> +#ifdef FE_UPWARD
> +  r = fesetround( FE_UPWARD );
> +  if ( r ) {
> +      printf( "fesetround ==> 0x%x\n", r );
> +    }
> +  rtems_test_assert( r == 0 );
> +  rtems_test_assert( fegetround() == FE_UPWARD );
> +#endif
> +#ifdef FE_TONEAREST
> +  r = fesetround( FE_TONEAREST );
> +  if ( r ) {
> +      printf( "fesetround ==> 0x%x\n", r );
> +    }
> +  rtems_test_assert( r == 0 );
> +#endif
> +
>  #ifdef FE_DIVBYZERO
> -    r = feraiseexcept(FE_DIVBYZERO);
> +    r = feraiseexcept( FE_DIVBYZERO ) ;
>      rtems_test_assert( fetestexcept( FE_DIVBYZERO ) );
>  #endif
>
> diff --git a/testsuites/psxtests/psxfenv01/psxfenv01.doc
> b/testsuites/psxtests/psxfenv01/psxfenv01.doc
> index 3aa7757496..52d9fd19c7 100644
> --- a/testsuites/psxtests/psxfenv01/psxfenv01.doc
> +++ b/testsuites/psxtests/psxfenv01/psxfenv01.doc
> @@ -1,4 +1,4 @@
> -#  COPYRIGHT (c) 2019
> +#  COPYRIGHT (c) 2019
>  #  On-Line Applications Research Corporation (OAR).
>  #
>  # SPDX-License-Identifier: BSD-2-Clause
> @@ -12,9 +12,12 @@ Directives:
>    fesetenv
>    feclearexcept
>    fetestexcept
> -  texceptflag
>    feraiseexcept
> -
> +  fesetexeptflag
> +  fegetexeptflag
> +  fegetround
> +  fesetround
> +
>  Concepts:
>
>  + This test exercises the fenv.h methods.
> diff --git a/testsuites/psxtests/psxfenv01/psxfenv01.scn
> b/testsuites/psxtests/psxfenv01/psxfenv01.scn
> index 21395e6712..6ea3bc255e 100644
> --- a/testsuites/psxtests/psxfenv01/psxfenv01.scn
> +++ b/testsuites/psxtests/psxfenv01/psxfenv01.scn
> @@ -1,7 +1,3 @@
>  *** BEGIN OF TEST PSXFENV 01 ***
> -fesetenv(FE_DFL_ENV).
> -feclearexcept(FE_ALL_EXCEPT).
> -Divide by zero and confirm fetestexcept()
> -
>  *** END OF TEST PSXFENV 01 ***
>
> --
> 2.17.1
>
>
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