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BEGIN {
# We're not going to chdir() into 't' because we don't know if
# chdir() works! Instead, we'll hedge our bets and put both
# possibilities into @INC.
@INC = ('lib', '../lib');
}
# Might be a little early in the testing process to start using these,
# but I can't think of a way to write this test without them.
use Cwd qw(abs_path cwd);
use File::Spec::Functions qw(:DEFAULT splitdir);
use Test::More tests => 25;
my $cwd = abs_path;
# Let's get to a known position
SKIP: {
skip("Already in t/", 2) if (splitdir(abs_path))[-1] eq 't';
ok( chdir('t'), 'chdir("t")');
is( abs_path, catdir($cwd, 't'), ' abs_path() agrees' );
}
$cwd = abs_path;
# The environment variables chdir() pays attention to.
my @magic_envs = qw(HOME LOGDIR SYS$LOGIN);
foreach my $key (@magic_envs) {
# We're going to be using undefs a lot here.
no warnings 'uninitialized';
delete @ENV{@magic_envs};
local $ENV{$key} = catdir $cwd, 'op';
# Make sure $ENV{'SYS$LOGIN'} is only honored on VMS.
if( $key eq 'SYS$LOGIN' && $^O ne 'VMS' ) {
ok( !chdir(), "chdir() on $^O ignores only \$ENV{$key} set" );
is( abs_path, $cwd, ' abs_path() did not change' );
ok( 1, " no need to chdir back on $^O" );
}
else {
ok( chdir(), "chdir() w/ only \$ENV{$key} set" );
is( abs_path, $ENV{$key}, ' abs_path() agrees' );
chdir($cwd);
is( abs_path, $cwd, ' and back again' );
}
# Bug had chdir(undef) being the same as chdir()
ok( !chdir(undef), "chdir(undef) w/ only \$ENV{$key} set" );
is( abs_path, $cwd, ' abs_path() agrees' );
# Ditto chdir('').
ok( !chdir(''), "chdir('') w/ only \$ENV{$key} set" );
is( abs_path, $cwd, ' abs_path() agrees' );
}
{
# We're going to be using undefs a lot here.
no warnings 'uninitialized';
# Unset all the environment variables chdir() pay attention to.
local @ENV{@magic_envs} = (undef) x @magic_envs;
ok( !chdir(), 'chdir() w/o any ENV set' );
is( abs_path, $cwd, ' abs_path() agrees' );
}
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