## name 2 evil variables
## parms {variables => '$[ $SIG{__DIE__}'}
## failures 2
## cut

print 'First subscript is ', $[, "\n";
local $SIG{__DIE__} = sub {warn "I cannot die!"};

#-----------------------------------------------------------------------------

## name evil variables with brackets
## parms { variables => '${^WIN32_SLOPPY_STAT} %{^_Fubar}' }
## failures 2
## cut

${^WIN32_SLOPPY_STAT} and print "We are being sloppy\n";
our %{^_Fubar};

#-----------------------------------------------------------------------------

## name subscripted evil variables with brackets
## parms { variables => '%{^_Fubar}' }
## failures 1
## cut

print "The value of \${^_Fubar}{baz} is ", ${^_Fubar}{baz}, "\n";

#-----------------------------------------------------------------------------

## name No evil variables
## parms {variables => '$[ $SIG{__DIE__}'}
## failures 0
## cut

print 'Perl version is ', $], "\n";
local $SIG{__WARN__} = sub {print {STDERR} "Danger Will Robinson!\n"};

#-----------------------------------------------------------------------------

## name 2 evil variables, with pattern matching
## parms { variables => '/\[/ /\bSIG\b/ ' }
## failures 2
## cut

print 'First subscript is ', $[, "\n";
local $SIG{__DIE__} = sub {warn "I cannot die!"};

#-----------------------------------------------------------------------------

## name More evil variables, with mixed config
## parms { variables => ' $[ /\bSIG\b/ $^S' }
## failures 5
## cut

print 'First subscript is ', $[, "\n";
local $SIG{__DIE__} = sub {warn "I cannot die!"};
print $^S ? 'Executing eval' : defined $^S ? 'Otherwise' : 'Parsing';
local $SIG{__WARN__} = sub {print {STDERR} "Danger, Will Robinson!\n";

#-----------------------------------------------------------------------------

## name Recognize use of elements of evil arrays and hashes
## parms { variables => '%SIG @INC' }
## failures 2
## cut

local $SIG{__DIE__} = sub {warn "I cannot die!"};
print '$INC[0] is ', $INC[0], "\n";

#-----------------------------------------------------------------------------

## name Regexes with modifiers
## parms { variables => ' /(?x: \b SIG \b )/ /(?i:\binc\b)/ /(?ix: acme )/ ' }
## failures 4
## cut

local $SIG{__DIE__} = sub {warn "I cannot die!"};
print '$INC[0] is ', $INC[0], "\n";
print '$inc[0] is ', $inc[0], "\n";
my $Acme = 'For the discerning coyote';

#-----------------------------------------------------------------------------

## name More evil variables, with more pattern matching
## parms { variables => '/foo|bar|baz/ ' }
## failures 4
## cut

my $foo;
my $bar;
my $baz;
my $foonly;

#-----------------------------------------------------------------------------

## name Pattern matching exceptions
## parms { variables => '/(/' }
## failures 0
## error /invalid regular expression/
## cut

print 'Hello World';

#-----------------------------------------------------------------------------

## name Providing the description for variables, no regular expressions.
## parms { variables => q'$[ {Found use of $[. Code for first index = 0 instead} $SIG{__DIE__} <Found use of $SIG{__DIE__}. Use END{} or override CORE::GLOBAL::die instead>' }
## failures 2
## cut

print 'First subscript is ', $[, "\n";
local $SIG{__DIE__} = sub {warn "I cannot die!"};

#-----------------------------------------------------------------------------

## name Providing the description for variables, regular expressions.
## parms { variables => q' /\bSIG\b/ {Found use of SIG. Do not use signals} /\bINC\b/ {Found use of INC. Do not manipulate @INC directly} ' }
## failures 2
## cut

local $SIG{__DIE__} = sub {warn "I cannot die!"};
print '$INC[0] is ', $INC[0], "\n";

#-----------------------------------------------------------------------------

## name Providing the description for variables, regular expressions with modifiers.
## parms { variables => ' /(?x: \b SIG \b )/{We do not like signals.} /(?i:\binc\b)/[Do not fiddle with INC, no mater how it is capitalized] ' }
## failures 3
## cut

local $SIG{__DIE__} = sub {warn "I cannot die!"};
print '$INC[0] is ', $INC[0], "\n";
print '$inc[0] is ', $inc[0], "\n";

#-----------------------------------------------------------------------------

## name Providing the description for variables from file, no regular expressions.
## parms { variables_file => 't/Variables/ProhibitEvilVariables.d/variables-no-regular-expressions.txt' }
## failures 4
## cut

print 'First subscript is ', $[, "\n";
local $SIG{__DIE__} = sub {warn "I cannot die!"};
print $^S ? 'Executing eval' : defined $^S ? 'Otherwise' : 'Parsing';

#-----------------------------------------------------------------------------

## name Providing the description for variables from file, regular expressions.
## parms { variables_file => 't/Variables/ProhibitEvilVariables.d/variables-regular-expressions.txt' }
## failures 4
## cut

print 'First subscript is ', $[, "\n";
local $SIG{__DIE__} = sub {warn "I cannot die!"};
print $^S ? 'Executing eval' : defined $^S ? 'Otherwise' : 'Parsing';

#-----------------------------------------------------------------------------

#      $URL: http://perlcritic.tigris.org/svn/perlcritic/trunk/distributions/Perl-Critic/t/Variables/ProhibitEvilVariables.run $
#     $Date: 2010-10-31 18:07:54 -0700 (Sun, 31 Oct 2010) $
#   $Author: clonezone $
# $Revision: 3984 $

##############################################################################
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