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Tag: v5.12.0-RC5
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# This is a replacement for the old BEGIN preamble which heads (or
# should head) up every core test program to prepare it for running.
# Now instead of:
#
# BEGIN {
# chdir 't' if -d 't';
# @INC = '../lib';
# }
#
# Its primary purpose is to clear @INC so core tests don't pick up
# modules from an installed Perl.
#
# t/TEST will use -MTestInit. You may "use TestInit" in the test
# programs but it is not required.
#
# P.S. This documentation is not in POD format in order to avoid
# problems when there are fundamental bugs in perl.
package TestInit;
$VERSION = 1.02;
# Let tests know they're running in the perl core. Useful for modules
# which live dual lives on CPAN.
# Don't interfere with the taintedness of %ENV, this could perturbate tests.
# This feels like a better solution than the original, from
# http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/2003-07/msg00154.html
$ENV{PERL_CORE} = $^X;
sub new_inc {
if (${^TAINT}) {
@INC = @_;
} else {
@INC = (@_, '.');
}
}
sub set_opt {
my $sep;
if ($^O eq 'VMS') {
$sep = '|';
} elsif ($^O eq 'MSWin32') {
$sep = ';';
} else {
$sep = ':';
}
my $lib = join $sep, @_;
if (exists $ENV{PERL5LIB}) {
$ENV{PERL5LIB} = $lib . substr $ENV{PERL5LIB}, 0, 0;
} else {
$ENV{PERL5LIB} = $lib;
}
}
my @up_2_t = ('../../lib', '../../t');
# This is incompatible with the import options.
if (-f 't/TEST' && -f 'MANIFEST' && -d 'lib' && -d 'ext') {
# We're being run from the top level. Try to change directory, and set
# things up correctly. This is a 90% solution, but for hand-running tests,
# that's good enough
if ($0 =~ s!^((?:ext|dist|cpan)[\\/][^\\/]+)[\//](.*\.t)$!$2!) {
# Looks like a test in ext.
chdir $1 or die "Can't chdir '$1': $!";
new_inc(@up_2_t);
set_opt(@up_2_t);
$^X =~ s!^\./!../../!;
$^X =~ s!^\.\\!..\\..\\!;
} else {
chdir 't' or die "Can't chdir 't': $!";
new_inc('../lib');
}
} else {
new_inc('../lib');
}
sub import {
my $self = shift;
my $abs;
foreach (@_) {
if ($_ eq 'U2T') {
@new_inc = @up_2_t;
} elsif ($_ eq 'NC') {
delete $ENV{PERL_CORE}
} elsif ($_ eq 'A') {
$abs = 1;
} else {
die "Unknown option '$_'";
}
}
if ($abs) {
if(!@new_inc) {
@new_inc = '../lib';
}
@INC = @new_inc;
require File::Spec::Functions;
# Forcibly untaint this.
@new_inc = map { $_ = File::Spec::Functions::rel2abs($_); /(.*)/; $1 }
@new_inc;
$^X = File::Spec::Functions::rel2abs($^X);
}
if (@new_inc) {
new_inc(@new_inc);
set_opt(@new_inc);
}
}
$0 =~ s/\.dp$//; # for the test.deparse make target
1;
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