public
Description: Perl extension to test methods for warnings
Homepage: http://search.cpan.org/dist/Test-Warn/
Clone URL: git://github.com/chorny/test-warn.git
test-warn / README
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Test/Warn version 0.21
======================
 
INSTALLATION
 
To install this module type the following:
 
   perl Makefile.PL
   make
   make test
   make install
 
DEPENDENCIES
 
This module requires these other modules and libraries:
 
Test::Builder
Sub::Uplevel
List::Util
Tree::DAG_Node
File::Spec
 
SYNOPSIS
      use Test::Warn;
 
      warning_is {foo(-dri => "/")} "Unknown Parameter 'dri'", "dri != dir gives warning";
      warnings_are {bar(1,1)} ["Width very small", "Height very small"];
  
      warning_is {add(2,2)} undef, "No warning to calc 2+2"; # or
      warnings_are {add(2,2)} [], "No warning to calc 2+2"; # what reads better :-)
  
      warning_like {foo(-dri => "/"} qr/unknown param/i, "an unknown parameter test";
      warnings_like {bar(1,1)} [qr/width.*small/i, qr/height.*small/i];
  
      warning_is {foo()} {carped => 'didn't found the right parameters'};
      warnings_like {foo()} [qr/undefined/,qr/undefined/,{carped => qr/no result/i}];
  
      warning_like {foo(undef)} 'uninitialized';
      warning_like {bar(file => '/etc/passwd')} 'io';
 
      warning_like {eval q/"$x"; $x;/}
                   [qw/void uninitialized/],
                   "some warnings at compile time";
 
DESCRIPTION
    This module provides a few convenience methods for testing warning based
    code.
 
    If you are not already familiar with the Test::More manpage now would be
    the time to go take a look.
 
  FUNCTIONS - OVERVIEW
    warning_is BLOCK STRING, TEST_NAME
    warnings_are BLOCK ARRAYREF, TEST_NAME
    warning_like BLOCK REGEXP, TEST_NAME
    warning_like BLOCK STRING, TEST_NAME
    warnings_like BLOCK ARRAYREF, TEST_NAME
 
SEE ALSO
    Have a look to the similar Test::Exception module.
 
THANKS
    Many thanks to Adrian Howard, chromatic and Michael G. Schwern, who all had
    given me a lot of ideas.
 
AUTHOR
    Janek Schleicher, <bigj@kamelfreund.de>
 
COPYRIGHT AND LICENSE
    Copyright 2002 by Janek Schleicher
    Copyright 2007-2009 by Alexandr Ciornii
 
    This library is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself.