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XS::APItest (3)
  • >> XS::APItest (3) ( Разные man: Библиотечные вызовы )
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    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.


     

    Index

    NAME
    SYNOPSIS
    ABSTRACT
    DESCRIPTION
    EXPORT
    SEE ALSO
    AUTHORS
    COPYRIGHT AND LICENSE


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