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XS::APItest(3pm)       Perl Programmers Reference Guide       XS::APItest(3pm)

NAME
       XS::APItest - Test the perl C API

SYNOPSIS
         use XS::APItest;
         print_double(4);

ABSTRACT
       This module tests the perl C API. Currently tests that "printf" works
       correctly.

DESCRIPTION
       This module can be used to check that the perl C API is behaving
       correctly. This module provides test functions and an associated test
       script that verifies the output.

       This module is not meant to be installed.

   EXPORT
       Exports all the test functions:

       print_double
           Test that a double-precision floating point number is formatted
           correctly by "printf".

             print_double( $val );

           Output is sent to STDOUT.

       print_long_double
           Test that a "long double" is formatted correctly by "printf". Takes
           no arguments - the test value is hard-wired into the function (as
           "7").

             print_long_double();

           Output is sent to STDOUT.

       have_long_double
           Determine whether a "long double" is supported by Perl.  This
           should be used to determine whether to test "print_long_double".

             print_long_double() if have_long_double;

       print_nv
           Test that an "NV" is formatted correctly by "printf".

             print_nv( $val );

           Output is sent to STDOUT.

       print_iv
           Test that an "IV" is formatted correctly by "printf".

             print_iv( $val );

           Output is sent to STDOUT.

       print_uv
           Test that an "UV" is formatted correctly by "printf".

             print_uv( $val );

           Output is sent to STDOUT.

       print_int
           Test that an "int" is formatted correctly by "printf".

             print_int( $val );

           Output is sent to STDOUT.

       print_long
           Test that an "long" is formatted correctly by "printf".

             print_long( $val );

           Output is sent to STDOUT.

       print_float
           Test that a single-precision floating point number is formatted
           correctly by "printf".

             print_float( $val );

           Output is sent to STDOUT.

       call_sv, call_pv, call_method
           These exercise the C calls of the same names. Everything after the
           flags arg is passed as the the args to the called function. They
           return whatever the C function itself pushed onto the stack, plus
           the return value from the function; for example

               call_sv( sub { @_, 'c' }, G_ARRAY,  'a', 'b'); # returns 'a', 'b', 'c', 3
               call_sv( sub { @_ },      G_SCALAR, 'a', 'b'); # returns 'b', 1

       eval_sv
           Evaluates the passed SV. Result handling is done the same as for
           "call_sv()" etc.

       eval_pv
           Exercises the C function of the same name in scalar context.
           Returns the same SV that the C function returns.

       require_pv
           Exercises the C function of the same name. Returns nothing.

SEE ALSO
       XS::Typemap, perlapi.

AUTHORS
       Tim Jenness, <t.jenness@jach.hawaii.edu>, Christian Soeller,
       <csoelle@mph.auckland.ac.nz>, Hugo van der Sanden
       <hv@crypt.compulink.co.uk>

COPYRIGHT AND LICENSE
       Copyright (C) 2002,2004 Tim Jenness, Christian Soeller, Hugo van der
       Sanden.  All Rights Reserved.

       This library is free software; you can redistribute it and/or modify it
       under the same terms as Perl itself.

perl v5.12.1                      2010-05-13                  XS::APItest(3pm)
 

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Gedruckt am: 16.12.2017 21:36 GMT+0100 (2017-12-16T21:36:08+01:00)