undef results from the CPAN

undef

Acme-Hyde

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inc/Module/AutoInstall.pm view on Meta::CPAN


# load a module and return the version it reports
sub _load {
    my $mod  = pop;    # class/instance doesn't matter
    my $file = $mod;

    $file =~ s|::|/|g;
    $file .= '.pm';

    local $@;
    return eval { require $file; $mod->VERSION } || ( $@ ? undef: 0 );
}

# Load CPAN.pm and it's configuration
sub _load_cpan {
    return if $CPAN::VERSION;
    require CPAN;
    if ( $CPAN::HandleConfig::VERSION ) {
        # Newer versions of CPAN have a HandleConfig module
        CPAN::HandleConfig->load;
    } else {

inc/Module/AutoInstall.pm view on Meta::CPAN

    $cur =~ s/\s+$//;

    # check for version numbers that are not in decimal format
    if ( ref($cur) or ref($min) or $cur =~ /v|\..*\./ or $min =~ /v|\..*\./ ) {
        if ( ( $version::VERSION or defined( _load('version') )) and
             version->can('new') 
            ) {

            # use version.pm if it is installed.
            return (
                ( version->new($cur) >= version->new($min) ) ? $cur : undef );
        }
        elsif ( $Sort::Versions::VERSION or defined( _load('Sort::Versions') ) )
        {

            # use Sort::Versions as the sorting algorithm for a.b.c versions
            return ( ( Sort::Versions::versioncmp( $cur, $min ) != -1 )
                ? $cur
                : undef );
        }

        warn "Cannot reliably compare non-decimal formatted versions.\n"
          . "Please install version.pm or Sort::Versions.\n";
    }

    # plain comparison
    local $^W = 0;    # shuts off 'not numeric' bugs
    return ( $cur >= $min ? $cur : undef );
}

# nothing; this usage is deprecated.
sub main::PREREQ_PM { return {}; }

sub _make_args {
    my %args = @_;

    $args{PREREQ_PM} = { %{ $args{PREREQ_PM} || {} }, @Existing, @Missing }
      if $UnderCPAN or $TestOnly;

inc/Spiffy.pm view on Meta::CPAN

    }
    return wantarray ? ($args, @values) : $args;        
}

sub boolean_arguments { () }
sub paired_arguments { () }

# get a unique id for any node
sub id {
    if (not ref $_[0]) {
        return 'undef' if not defined $_[0];
        \$_[0] =~ /\((\w+)\)$/o or die;
        return "$1-S";
    }
    require overload;
    overload::StrVal($_[0]) =~ /\((\w+)\)$/o or die;
    return $1;
}

#===============================================================================
# It's super, man.

inc/Test/Base.pm view on Meta::CPAN

          unless $block->is_filtered;
    }

    return (@blocks);
}

sub next_block() {
    (my ($self), @_) = find_my_self(@_);
    my $list = $self->_next_list;
    if (@$list == 0) {
        $list = [@{$self->block_list}, undef];
        $self->_next_list($list);
    }
    my $block = shift @$list;
    if (defined $block and not $block->is_filtered) {
        $block->run_filters;
    }
    return $block;
}

sub first_block() {

inc/Test/Base.pm view on Meta::CPAN

    my $map = $self->_section_map;
    my $order = $self->_section_order;
    Carp::croak "Attempt to filter a block twice"
      if $self->is_filtered;
    for my $type (@$order) {
        my $filters = $map->{$type}{filters};
        my @value = $self->$type;
        $self->original_values->{$type} = $value[0];
        for my $filter ($self->_get_filters($type, $filters)) {
            $Test::Base::Filter::arguments =
              $filter =~ s/=(.*)$// ? $1 : undef;
            my $function = "main::$filter";
            no strict 'refs';
            if (defined &$function) {
                local $_ = join '', @value;
                my $old = $_;
                @value = &$function(@value);
                if (not(@value) or 
                    @value == 1 and $value[0] =~ /\A(\d+|)\z/
                ) {
                    if ($value[0] && $_ eq $old) {

inc/Test/Base/Filter.pm view on Meta::CPAN

# This is the default class for handling Test::Base data filtering.
#===============================================================================
package Test::Base::Filter;
use Spiffy -Base;
use Spiffy ':XXX';

field 'current_block';

our $arguments;
sub current_arguments {
    return undef unless defined $arguments;
    my $args = $arguments;
    $args =~ s/(\\s)/ /g;
    $args =~ s/(\\[a-z])/'"' . $1 . '"'/gee;
    return $args;
}

sub assert_scalar {
    return if @_ == 1;
    require Carp;
    my $filter = (caller(1))[3];

inc/Test/Builder.pm view on Meta::CPAN


    $self->{Test_Died}    = 0;
    $self->{Have_Plan}    = 0;
    $self->{No_Plan}      = 0;
    $self->{Original_Pid} = $$;

    share($self->{Curr_Test});
    $self->{Curr_Test}    = 0;
    $self->{Test_Results} = &share([]);

    $self->{Exported_To}    = undef;
    $self->{Expected_Tests} = 0;

    $self->{Skip_All}   = 0;

    $self->{Use_Nums}   = 1;

    $self->{No_Header}  = 0;
    $self->{No_Ending}  = 0;

    $self->_dup_stdhandles unless $^C;

    return undef;
}

#line 220

sub exported_to {
    my($self, $pack) = @_;

    if( defined $pack ) {
        $self->{Exported_To} = $pack;
    }

inc/Test/Builder.pm view on Meta::CPAN

        $self->no_plan;
    }
    elsif( $cmd eq 'skip_all' ) {
        return $self->skip_all($arg);
    }
    elsif( $cmd eq 'tests' ) {
        if( $arg ) {
            return $self->expected_tests($arg);
        }
        elsif( !defined $arg ) {
            die "Got an undefined number of tests.  Looks like you tried to ".
                "say how many tests you plan to run but made a mistake.\n";
        }
        elsif( !$arg ) {
            die "You said to run 0 tests!  You've got to run something.\n";
        }
    }
    else {
        require Carp;
        my @args = grep { defined } ($cmd, $arg);
        Carp::croak("plan() doesn't understand @args");

inc/Test/Builder.pm view on Meta::CPAN

    $self->{Have_Plan} = 1;
}

#line 329

sub has_plan {
    my $self = shift;

    return($self->{Expected_Tests}) if $self->{Expected_Tests};
    return('no_plan') if $self->{No_Plan};
    return(undef);
};


#line 347

sub skip_all {
    my($self, $reason) = @_;

    my $out = "1..0";
    $out .= " # Skip $reason" if $reason;

inc/Test/Builder.pm view on Meta::CPAN


#line 535

sub is_eq {
    my($self, $got, $expect, $name) = @_;
    local $Level = $Level + 1;

    $self->_unoverload_str(\$got, \$expect);

    if( !defined $got || !defined $expect ) {
        # undef only matches undef and nothing else
        my $test = !defined $got && !defined $expect;

        $self->ok($test, $name);
        $self->_is_diag($got, 'eq', $expect) unless $test;
        return $test;
    }

    return $self->cmp_ok($got, 'eq', $expect, $name);
}

sub is_num {
    my($self, $got, $expect, $name) = @_;
    local $Level = $Level + 1;

    $self->_unoverload_num(\$got, \$expect);

    if( !defined $got || !defined $expect ) {
        # undef only matches undef and nothing else
        my $test = !defined $got && !defined $expect;

        $self->ok($test, $name);
        $self->_is_diag($got, '==', $expect) unless $test;
        return $test;
    }

    return $self->cmp_ok($got, '==', $expect, $name);
}

inc/Test/Builder.pm view on Meta::CPAN

            if( $type eq 'eq' ) {
                # quote and force string context
                $$val = "'$$val'"
            }
            else {
                # force numeric context
                $self->_unoverload_num($val);
            }
        }
        else {
            $$val = 'undef';
        }
    }

    return $self->diag(sprintf <<DIAGNOSTIC, $got, $expect);
         got: %s
    expected: %s
DIAGNOSTIC

}    

#line 613

sub isnt_eq {
    my($self, $got, $dont_expect, $name) = @_;
    local $Level = $Level + 1;

    if( !defined $got || !defined $dont_expect ) {
        # undef only matches undef and nothing else
        my $test = defined $got || defined $dont_expect;

        $self->ok($test, $name);
        $self->_cmp_diag($got, 'ne', $dont_expect) unless $test;
        return $test;
    }

    return $self->cmp_ok($got, 'ne', $dont_expect, $name);
}

sub isnt_num {
    my($self, $got, $dont_expect, $name) = @_;
    local $Level = $Level + 1;

    if( !defined $got || !defined $dont_expect ) {
        # undef only matches undef and nothing else
        my $test = defined $got || defined $dont_expect;

        $self->ok($test, $name);
        $self->_cmp_diag($got, '!=', $dont_expect) unless $test;
        return $test;
    }

    return $self->cmp_ok($got, '!=', $dont_expect, $name);
}

inc/Test/Builder.pm view on Meta::CPAN


    local $Level = $Level + 1;
    $self->_regex_ok($this, $regex, '!~', $name);
}

#line 706


sub maybe_regex {
    my ($self, $regex) = @_;
    my $usable_regex = undef;

    return $usable_regex unless defined $regex;

    my($re, $opts);

    # Check for qr/foo/
    if( ref $regex eq 'Regexp' ) {
        $usable_regex = $regex;
    }
    # Check for '/foo/' or 'm,foo,'
    elsif( ($re, $opts)        = $regex =~ m{^ /(.*)/ (\w*) $ }sx           or
           (undef, $re, $opts) = $regex =~ m,^ m([^\w\s]) (.+) \1 (\w*) $,sx
         )
    {
        $usable_regex = length $opts ? "(?$opts)$re" : $re;
    }

    return $usable_regex;
};

sub _regex_ok {
    my($self, $this, $regex, $cmp, $name) = @_;

inc/Test/Builder.pm view on Meta::CPAN

        $test = eval "
$code" . q{$test = $this =~ /$usable_regex/ ? 1 : 0};

        $test = !$test if $cmp eq '!~';

        local $Level = $Level + 1;
        $ok = $self->ok( $test, $name );
    }

    unless( $ok ) {
        $this = defined $this ? "'$this'" : 'undef';
        my $match = $cmp eq '=~' ? "doesn't match" : "matches";
        $self->diag(sprintf <<DIAGNOSTIC, $this, $match, $regex);
                  %s
    %13s '%s'
DIAGNOSTIC

    }

    return $ok;
}

inc/Test/Builder.pm view on Meta::CPAN

        else {
            $self->_cmp_diag($got, $type, $expect);
        }
    }
    return $ok;
}

sub _cmp_diag {
    my($self, $got, $type, $expect) = @_;
    
    $got    = defined $got    ? "'$got'"    : 'undef';
    $expect = defined $expect ? "'$expect'" : 'undef';
    return $self->diag(sprintf <<DIAGNOSTIC, $got, $type, $expect);
    %s
        %s
    %s
DIAGNOSTIC
}


sub _caller_context {
    my $self = shift;

inc/Test/Builder.pm view on Meta::CPAN

sub diag {
    my($self, @msgs) = @_;

    return if $self->no_diag;
    return unless @msgs;

    # Prevent printing headers when compiling (i.e. -c)
    return if $^C;

    # Smash args together like print does.
    # Convert undef to 'undef' so its readable.
    my $msg = join '', map { defined($_) ? $_ : 'undef' } @msgs;

    # Escape each line with a #.
    $msg =~ s/^/# /gm;

    # Stick a newline on the end if it needs it.
    $msg .= "\n" unless $msg =~ /\n\Z/;

    local $Level = $Level + 1;
    $self->_print_diag($msg);

inc/Test/Builder.pm view on Meta::CPAN


sub _print {
    my($self, @msgs) = @_;

    # Prevent printing headers when only compiling.  Mostly for when
    # tests are deparsed with B::Deparse
    return if $^C;

    my $msg = join '', @msgs;

    local($\, $", $,) = (undef, ' ', '');
    my $fh = $self->output;

    # Escape each line after the first with a # so we don't
    # confuse Test::Harness.
    $msg =~ s/\n(.)/\n# $1/sg;

    # Stick a newline on the end if it needs it.
    $msg .= "\n" unless $msg =~ /\n\Z/;

    print $fh $msg;
}


#line 1192

sub _print_diag {
    my $self = shift;

    local($\, $", $,) = (undef, ' ', '');
    my $fh = $self->todo ? $self->todo_output : $self->failure_output;
    print $fh @_;
}    

#line 1229

sub output {
    my($self, $fh) = @_;

    if( defined $fh ) {

inc/Test/Builder.pm view on Meta::CPAN


sub _is_fh {
    my $maybe_fh = shift;
    return 0 unless defined $maybe_fh;

    return 1 if ref \$maybe_fh eq 'GLOB'; # its a glob

    return UNIVERSAL::isa($maybe_fh,               'GLOB')       ||
           UNIVERSAL::isa($maybe_fh,               'IO::Handle') ||

           # 5.5.4's tied() and can() doesn't like getting undef
           UNIVERSAL::can((tied($maybe_fh) || ''), 'TIEHANDLE');
}


sub _autoflush {
    my($fh) = shift;
    my $old_fh = select $fh;
    $| = 1;
    select $old_fh;
}

inc/Test/Builder.pm view on Meta::CPAN


        $self->{Curr_Test} = $num;

        # If the test counter is being pushed forward fill in the details.
        my $test_results = $self->{Test_Results};
        if( $num > @$test_results ) {
            my $start = @$test_results ? @$test_results : 0;
            for ($start..$num-1) {
                $test_results->[$_] = &share({
                    'ok'      => 1, 
                    actual_ok => undef, 
                    reason    => 'incrementing test number', 
                    type      => 'unknown', 
                    name      => undef 
                });
            }
        }
        # If backward, wipe history.  Its their funeral.
        elsif( $num < @$test_results ) {
            $#{$test_results} = $num - 1;
        }
    }
    return $self->{Curr_Test};
}

inc/Test/Builder/Module.pm view on Meta::CPAN

@ISA = qw(Exporter);

$VERSION = '0.03';

use strict;

# 5.004's Exporter doesn't have export_to_level.
my $_export_to_level = sub {
      my $pkg = shift;
      my $level = shift;
      (undef) = shift;                  # redundant arg
      my $callpkg = caller($level);
      $pkg->export($callpkg, @_);
};


#line 82

sub import {
    my($class) = shift;

inc/Test/More.pm view on Meta::CPAN

    }

    my @vals = @{$Stack[-1]{vals}}[0,1];
    my @vars = ();
    ($vars[0] = $var) =~ s/\$FOO/     \$got/;
    ($vars[1] = $var) =~ s/\$FOO/\$expected/;

    my $out = "Structures begin differing at:\n";
    foreach my $idx (0..$#vals) {
        my $val = $vals[$idx];
        $vals[$idx] = !defined $val ? 'undef'          :
                      $val eq $DNE  ? "Does not exist" :
	              ref $val      ? "$val"           :
                                      "'$val'";
    }

    $out .= "$vars[0] = $vals[0]\n";
    $out .= "$vars[1] = $vals[1]\n";

    $out =~ s/^/    /msg;
    return $out;

inc/Test/More.pm view on Meta::CPAN

    my $tb = Test::More->builder;

    my $ok = 0;

    # Effectively turn %Refs_Seen into a stack.  This avoids picking up
    # the same referenced used twice (such as [\$a, \$a]) to be considered
    # circular.
    local %Refs_Seen = %Refs_Seen;

    {
        # Quiet uninitialized value warnings when comparing undefs.
        local $^W = 0; 

        $tb->_unoverload_str(\$e1, \$e2);

        # Either they're both references or both not.
        my $same_ref = !(!ref $e1 xor !ref $e2);
	my $not_ref  = (!ref $e1 and !ref $e2);

        if( defined $e1 xor defined $e2 ) {
            $ok = 0;

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