[perl5.git] / t / op / inccode.t

#!./perl -w

# Tests for the coderef-in-@INC feature

use Config;

my $can_fork   = 0;
my $minitest   = $ENV{PERL_CORE_MINITEST};
my $has_perlio = $Config{useperlio};

BEGIN {
    chdir 't' if -d 't';
    @INC = qw(. ../lib);
}

if (!$minitest) {
    if ($Config{d_fork} && eval 'require POSIX; 1') {
	$can_fork = 1;
    }
}

use strict;
use File::Spec;

require "test.pl";
plan(tests => 49 + !$minitest * (3 + 14 * $can_fork));

sub get_temp_fh {
    my $f = tempfile();
    open my $fh, ">$f" or die "Can't create $f: $!";
    print $fh "package ".substr($_[0],0,-3).";\n1;\n";
    print $fh $_[1] if @_ > 1;
    close $fh or die "Couldn't close: $!";
    open $fh, $f or die "Can't open $f: $!";
    return $fh;
}

sub fooinc {
    my ($self, $filename) = @_;
    if (substr($filename,0,3) eq 'Foo') {
	return get_temp_fh($filename);
    }
    else {
        return undef;
    }
}

push @INC, \&fooinc;

my $evalret = eval { require Bar; 1 };
ok( !$evalret,      'Trying non-magic package' );

$evalret = eval { require Foo; 1 };
die $@ if $@;
ok( $evalret,                      'require Foo; magic via code ref'  );
ok( exists $INC{'Foo.pm'},         '  %INC sees Foo.pm' );
is( ref $INC{'Foo.pm'}, 'CODE',    '  val Foo.pm is a coderef in %INC' );
is( $INC{'Foo.pm'}, \&fooinc,	   '  val Foo.pm is correct in %INC' );

$evalret = eval "use Foo1; 1;";
die $@ if $@;
ok( $evalret,                      'use Foo1' );
ok( exists $INC{'Foo1.pm'},        '  %INC sees Foo1.pm' );
is( ref $INC{'Foo1.pm'}, 'CODE',   '  val Foo1.pm is a coderef in %INC' );
is( $INC{'Foo1.pm'}, \&fooinc,     '  val Foo1.pm is correct in %INC' );

$evalret = eval { do 'Foo2.pl'; 1 };
die $@ if $@;
ok( $evalret,                      'do "Foo2.pl"' );
ok( exists $INC{'Foo2.pl'},        '  %INC sees Foo2.pl' );
is( ref $INC{'Foo2.pl'}, 'CODE',   '  val Foo2.pl is a coderef in %INC' );
is( $INC{'Foo2.pl'}, \&fooinc,     '  val Foo2.pl is correct in %INC' );

pop @INC;


sub fooinc2 {
    my ($self, $filename) = @_;
    if (substr($filename, 0, length($self->[1])) eq $self->[1]) {
	return get_temp_fh($filename);
    }
    else {
        return undef;
    }
}

my $arrayref = [ \&fooinc2, 'Bar' ];
push @INC, $arrayref;

$evalret = eval { require Foo; 1; };
die $@ if $@;
ok( $evalret,                     'Originally loaded packages preserved' );
$evalret = eval { require Foo3; 1; };
ok( !$evalret,                    'Original magic INC purged' );

$evalret = eval { require Bar; 1 };
die $@ if $@;
ok( $evalret,                     'require Bar; magic via array ref' );
ok( exists $INC{'Bar.pm'},        '  %INC sees Bar.pm' );
is( ref $INC{'Bar.pm'}, 'ARRAY',  '  val Bar.pm is an arrayref in %INC' );
is( $INC{'Bar.pm'}, $arrayref,    '  val Bar.pm is correct in %INC' );

ok( eval "use Bar1; 1;",          'use Bar1' );
ok( exists $INC{'Bar1.pm'},       '  %INC sees Bar1.pm' );
is( ref $INC{'Bar1.pm'}, 'ARRAY', '  val Bar1.pm is an arrayref in %INC' );
is( $INC{'Bar1.pm'}, $arrayref,   '  val Bar1.pm is correct in %INC' );

ok( eval { do 'Bar2.pl'; 1 },     'do "Bar2.pl"' );
ok( exists $INC{'Bar2.pl'},       '  %INC sees Bar2.pl' );
is( ref $INC{'Bar2.pl'}, 'ARRAY', '  val Bar2.pl is an arrayref in %INC' );
is( $INC{'Bar2.pl'}, $arrayref,   '  val Bar2.pl is correct in %INC' );

pop @INC;

sub FooLoader::INC {
    my ($self, $filename) = @_;
    if (substr($filename,0,4) eq 'Quux') {
	return get_temp_fh($filename);
    }
    else {
        return undef;
    }
}

my $href = bless( {}, 'FooLoader' );
push @INC, $href;

$evalret = eval { require Quux; 1 };
die $@ if $@;
ok( $evalret,                      'require Quux; magic via hash object' );
ok( exists $INC{'Quux.pm'},        '  %INC sees Quux.pm' );
is( ref $INC{'Quux.pm'}, 'FooLoader',
				   '  val Quux.pm is an object in %INC' );
is( $INC{'Quux.pm'}, $href,        '  val Quux.pm is correct in %INC' );

pop @INC;

my $aref = bless( [], 'FooLoader' );
push @INC, $aref;

$evalret = eval { require Quux1; 1 };
die $@ if $@;
ok( $evalret,                      'require Quux1; magic via array object' );
ok( exists $INC{'Quux1.pm'},       '  %INC sees Quux1.pm' );
is( ref $INC{'Quux1.pm'}, 'FooLoader',
				   '  val Quux1.pm is an object in %INC' );
is( $INC{'Quux1.pm'}, $aref,       '  val Quux1.pm  is correct in %INC' );

pop @INC;

my $sref = bless( \(my $x = 1), 'FooLoader' );
push @INC, $sref;

$evalret = eval { require Quux2; 1 };
die $@ if $@;
ok( $evalret,                      'require Quux2; magic via scalar object' );
ok( exists $INC{'Quux2.pm'},       '  %INC sees Quux2.pm' );
is( ref $INC{'Quux2.pm'}, 'FooLoader',
				   '  val Quux2.pm is an object in %INC' );
is( $INC{'Quux2.pm'}, $sref,       '  val Quux2.pm is correct in %INC' );

pop @INC;

push @INC, sub {
    my ($self, $filename) = @_;
    if (substr($filename,0,4) eq 'Toto') {
	$INC{$filename} = 'xyz';
	return get_temp_fh($filename);
    }
    else {
        return undef;
    }
};

$evalret = eval { require Toto; 1 };
die $@ if $@;
ok( $evalret,                      'require Toto; magic via anonymous code ref'  );
ok( exists $INC{'Toto.pm'},        '  %INC sees Toto.pm' );
ok( ! ref $INC{'Toto.pm'},         q/  val Toto.pm isn't a ref in %INC/ );
is( $INC{'Toto.pm'}, 'xyz',	   '  val Toto.pm is correct in %INC' );

pop @INC;

push @INC, sub {
    my ($self, $filename) = @_;
    if ($filename eq 'abc.pl') {
	return get_temp_fh($filename, qq(return "abc";\n));
    }
    else {
	return undef;
    }
};

my $ret = "";
$ret ||= do 'abc.pl';
is( $ret, 'abc', 'do "abc.pl" sees return value' );

{
    my $filename = './Foo.pm';
    #local @INC; # local fails on tied @INC
    my @old_INC = @INC; # because local doesn't work on tied arrays
    @INC = sub { $filename = 'seen'; return undef; };
    eval { require $filename; };
    is( $filename, 'seen', 'the coderef sees fully-qualified pathnames' );
    @INC = @old_INC;
}

# this will segfault if it fails

sub PVBM () { 'foo' }
{ my $dummy = index 'foo', PVBM }

# I don't know whether these requires should succeed or fail. 5.8 failed
# all of them; 5.10 with an ordinary constant in place of PVBM lets the
# latter two succeed. For now I don't care, as long as they don't
# segfault :).

unshift @INC, sub { PVBM };
eval 'require foo';
ok( 1, 'returning PVBM doesn\'t segfault require' );
eval 'use foo';
ok( 1, 'returning PVBM doesn\'t segfault use' );
shift @INC;
unshift @INC, sub { \PVBM };
eval 'require foo';
ok( 1, 'returning PVBM ref doesn\'t segfault require' );
eval 'use foo';
ok( 1, 'returning PVBM ref doesn\'t segfault use' );
shift @INC;

exit if $minitest;

SKIP: {
    skip( "No PerlIO available", 3 ) unless $has_perlio;
    pop @INC;

    push @INC, sub {
        my ($cr, $filename) = @_;
        my $module = $filename; $module =~ s,/,::,g; $module =~ s/\.pm$//;
        open my $fh, '<',
             \"package $module; sub complain { warn q() }; \$::file = __FILE__;"
	    or die $!;
        $INC{$filename} = "/custom/path/to/$filename";
        return $fh;
    };

    require Publius::Vergilius::Maro;
    is( $INC{'Publius/Vergilius/Maro.pm'},
        '/custom/path/to/Publius/Vergilius/Maro.pm', '%INC set correctly');
    is( our $file, '/custom/path/to/Publius/Vergilius/Maro.pm',
        '__FILE__ set correctly' );
    {
        my $warning;
        local $SIG{__WARN__} = sub { $warning = shift };
        Publius::Vergilius::Maro::complain();
        like( $warning, qr{something's wrong at /custom/path/to/Publius/Vergilius/Maro.pm}, 'warn() reports correct file source' );
    }
}
pop @INC;

if ($can_fork) {
    require PerlIO::scalar;
    # This little bundle of joy generates n more recursive use statements,
    # with each module chaining the next one down to 0. If it works, then we
    # can safely nest subprocesses
    my $use_filter_too;
    push @INC, sub {
	return unless $_[1] =~ /^BBBLPLAST(\d+)\.pm/;
	my $pid = open my $fh, "-|";
	if ($pid) {
	    # Parent
	    return $fh unless $use_filter_too;
	    # Try filters and state in addition.
	    return ($fh, sub {s/$_[1]/pass/; return}, "die")
	}
	die "Can't fork self: $!" unless defined $pid;

	# Child
	my $count = $1;
	# Lets force some fun with odd sized reads.
	$| = 1;
	print 'push @main::bbblplast, ';
	print "$count;\n";
	if ($count--) {
	    print "use BBBLPLAST$count;\n";
	}
	if ($use_filter_too) {
	    print "die('In $_[1]');";
	} else {
	    print "pass('In $_[1]');";
	}
	print '"Truth"';
	POSIX::_exit(0);
	die "Can't get here: $!";
    };

    @::bbblplast = ();
    require BBBLPLAST5;
    is ("@::bbblplast", "0 1 2 3 4 5", "All ran");

    foreach (keys %INC) {
	delete $INC{$_} if /^BBBLPLAST/;
    }

    @::bbblplast = ();
    $use_filter_too = 1;

    require BBBLPLAST5;

    is ("@::bbblplast", "0 1 2 3 4 5", "All ran with a filter");
}
Commit	Line	Data
69026470	1	#!./perl -w
e5d18500 AMS	2
	3	# Tests for the coderef-in-@INC feature
	4
240b6766 AT	5	use Config;
	6
	7	my $can_fork = 0;
	8	my $minitest = $ENV{PERL_CORE_MINITEST};
	9	my $has_perlio = $Config{useperlio};
ab742322	10
e5d18500	11	BEGIN {
f8973f08	12	chdir 't' if -d 't';
69026470	13	@INC = qw(. ../lib);
e5d18500	14	}
ab742322 RB	15
ab742322 RB	16	if (!$minitest) {
240b6766	17	if ($Config{d_fork} && eval 'require POSIX; 1') {
6b75eab3 NC	18	$can_fork = 1;
	19	}
	20	}
f8973f08	21
6b75eab3	22	use strict;
47de4e93	23	use File::Spec;
69026470 JH	24
69026470 JH	25	require "test.pl";
6e592b3a	26	plan(tests => 49 + !$minitest * (3 + 14 * $can_fork));
47de4e93 RGS	27
47de4e93 RGS	28	sub get_temp_fh {
1c25d394	29	my $f = tempfile();
22e2837f	30	open my $fh, ">$f" or die "Can't create $f: $!";
3a5db825 GA	31	print $fh "package ".substr($_[0],0,-3).";\n1;\n";
3a5db825 GA	32	print $fh $_[1] if @_ > 1;
d1e4d418	33	close $fh or die "Couldn't close: $!";
47de4e93 RGS	34	open $fh, $f or die "Can't open $f: $!";
	35	return $fh;
	36	}
f8973f08	37
e5d18500 AMS	38	sub fooinc {
	39	my ($self, $filename) = @_;
	40	if (substr($filename,0,3) eq 'Foo') {
47de4e93	41	return get_temp_fh($filename);
e5d18500 AMS	42	}
e5d18500 AMS	43	else {
f8973f08	44	return undef;
e5d18500 AMS	45	}
	46	}
	47
	48	push @INC, \&fooinc;
	49
d1e4d418 A	50	my $evalret = eval { require Bar; 1 };
	51	ok( !$evalret, 'Trying non-magic package' );
	52
	53	$evalret = eval { require Foo; 1 };
	54	die $@ if $@;
	55	ok( $evalret, 'require Foo; magic via code ref' );
	56	ok( exists $INC{'Foo.pm'}, ' %INC sees Foo.pm' );
	57	is( ref $INC{'Foo.pm'}, 'CODE', ' val Foo.pm is a coderef in %INC' );
	58	is( $INC{'Foo.pm'}, \&fooinc, ' val Foo.pm is correct in %INC' );
	59
	60	$evalret = eval "use Foo1; 1;";
	61	die $@ if $@;
	62	ok( $evalret, 'use Foo1' );
	63	ok( exists $INC{'Foo1.pm'}, ' %INC sees Foo1.pm' );
	64	is( ref $INC{'Foo1.pm'}, 'CODE', ' val Foo1.pm is a coderef in %INC' );
	65	is( $INC{'Foo1.pm'}, \&fooinc, ' val Foo1.pm is correct in %INC' );
	66
	67	$evalret = eval { do 'Foo2.pl'; 1 };
	68	die $@ if $@;
	69	ok( $evalret, 'do "Foo2.pl"' );
	70	ok( exists $INC{'Foo2.pl'}, ' %INC sees Foo2.pl' );
	71	is( ref $INC{'Foo2.pl'}, 'CODE', ' val Foo2.pl is a coderef in %INC' );
	72	is( $INC{'Foo2.pl'}, \&fooinc, ' val Foo2.pl is correct in %INC' );
e5d18500 AMS	73
	74	pop @INC;
	75
f8973f08	76
e5d18500 AMS	77	sub fooinc2 {
	78	my ($self, $filename) = @_;
	79	if (substr($filename, 0, length($self->[1])) eq $self->[1]) {
47de4e93	80	return get_temp_fh($filename);
e5d18500 AMS	81	}
e5d18500 AMS	82	else {
f8973f08	83	return undef;
e5d18500 AMS	84	}
	85	}
	86
47de4e93 RGS	87	my $arrayref = [ \&fooinc2, 'Bar' ];
47de4e93 RGS	88	push @INC, $arrayref;
e5d18500	89
d1e4d418 A	90	$evalret = eval { require Foo; 1; };
	91	die $@ if $@;
	92	ok( $evalret, 'Originally loaded packages preserved' );
	93	$evalret = eval { require Foo3; 1; };
	94	ok( !$evalret, 'Original magic INC purged' );
	95
	96	$evalret = eval { require Bar; 1 };
	97	die $@ if $@;
	98	ok( $evalret, 'require Bar; magic via array ref' );
	99	ok( exists $INC{'Bar.pm'}, ' %INC sees Bar.pm' );
	100	is( ref $INC{'Bar.pm'}, 'ARRAY', ' val Bar.pm is an arrayref in %INC' );
	101	is( $INC{'Bar.pm'}, $arrayref, ' val Bar.pm is correct in %INC' );
	102
	103	ok( eval "use Bar1; 1;", 'use Bar1' );
	104	ok( exists $INC{'Bar1.pm'}, ' %INC sees Bar1.pm' );
	105	is( ref $INC{'Bar1.pm'}, 'ARRAY', ' val Bar1.pm is an arrayref in %INC' );
	106	is( $INC{'Bar1.pm'}, $arrayref, ' val Bar1.pm is correct in %INC' );
	107
	108	ok( eval { do 'Bar2.pl'; 1 }, 'do "Bar2.pl"' );
	109	ok( exists $INC{'Bar2.pl'}, ' %INC sees Bar2.pl' );
	110	is( ref $INC{'Bar2.pl'}, 'ARRAY', ' val Bar2.pl is an arrayref in %INC' );
	111	is( $INC{'Bar2.pl'}, $arrayref, ' val Bar2.pl is correct in %INC' );
e5d18500 AMS	112
	113	pop @INC;
	114
	115	sub FooLoader::INC {
	116	my ($self, $filename) = @_;
	117	if (substr($filename,0,4) eq 'Quux') {
47de4e93	118	return get_temp_fh($filename);
e5d18500 AMS	119	}
e5d18500 AMS	120	else {
f8973f08	121	return undef;
e5d18500 AMS	122	}
	123	}
	124
47de4e93 RGS	125	my $href = bless( {}, 'FooLoader' );
47de4e93 RGS	126	push @INC, $href;
e5d18500	127
d1e4d418 A	128	$evalret = eval { require Quux; 1 };
	129	die $@ if $@;
	130	ok( $evalret, 'require Quux; magic via hash object' );
	131	ok( exists $INC{'Quux.pm'}, ' %INC sees Quux.pm' );
6ece0f6b	132	is( ref $INC{'Quux.pm'}, 'FooLoader',
d1e4d418 A	133	' val Quux.pm is an object in %INC' );
d1e4d418 A	134	is( $INC{'Quux.pm'}, $href, ' val Quux.pm is correct in %INC' );
e5d18500 AMS	135
	136	pop @INC;
	137
47de4e93 RGS	138	my $aref = bless( [], 'FooLoader' );
47de4e93 RGS	139	push @INC, $aref;
e5d18500	140
d1e4d418 A	141	$evalret = eval { require Quux1; 1 };
	142	die $@ if $@;
	143	ok( $evalret, 'require Quux1; magic via array object' );
	144	ok( exists $INC{'Quux1.pm'}, ' %INC sees Quux1.pm' );
6ece0f6b	145	is( ref $INC{'Quux1.pm'}, 'FooLoader',
d1e4d418 A	146	' val Quux1.pm is an object in %INC' );
d1e4d418 A	147	is( $INC{'Quux1.pm'}, $aref, ' val Quux1.pm is correct in %INC' );
e5d18500 AMS	148
	149	pop @INC;
	150
47de4e93 RGS	151	my $sref = bless( \(my $x = 1), 'FooLoader' );
47de4e93 RGS	152	push @INC, $sref;
e5d18500	153
d1e4d418 A	154	$evalret = eval { require Quux2; 1 };
	155	die $@ if $@;
	156	ok( $evalret, 'require Quux2; magic via scalar object' );
	157	ok( exists $INC{'Quux2.pm'}, ' %INC sees Quux2.pm' );
6ece0f6b	158	is( ref $INC{'Quux2.pm'}, 'FooLoader',
d1e4d418 A	159	' val Quux2.pm is an object in %INC' );
d1e4d418 A	160	is( $INC{'Quux2.pm'}, $sref, ' val Quux2.pm is correct in %INC' );
f8973f08 MS	161
f8973f08 MS	162	pop @INC;
9ae8cd5b RGS	163
	164	push @INC, sub {
	165	my ($self, $filename) = @_;
	166	if (substr($filename,0,4) eq 'Toto') {
	167	$INC{$filename} = 'xyz';
	168	return get_temp_fh($filename);
	169	}
	170	else {
	171	return undef;
	172	}
	173	};
	174
d1e4d418 A	175	$evalret = eval { require Toto; 1 };
	176	die $@ if $@;
	177	ok( $evalret, 'require Toto; magic via anonymous code ref' );
	178	ok( exists $INC{'Toto.pm'}, ' %INC sees Toto.pm' );
	179	ok( ! ref $INC{'Toto.pm'}, q/ val Toto.pm isn't a ref in %INC/ );
	180	is( $INC{'Toto.pm'}, 'xyz', ' val Toto.pm is correct in %INC' );
9ae8cd5b RGS	181
9ae8cd5b RGS	182	pop @INC;
d820be44	183
3a5db825 GA	184	push @INC, sub {
	185	my ($self, $filename) = @_;
	186	if ($filename eq 'abc.pl') {
	187	return get_temp_fh($filename, qq(return "abc";\n));
	188	}
	189	else {
	190	return undef;
	191	}
	192	};
	193
6b75eab3	194	my $ret = "";
3a5db825 GA	195	$ret \|\|= do 'abc.pl';
	196	is( $ret, 'abc', 'do "abc.pl" sees return value' );
	197
ab742322	198	{
7b903762	199	my $filename = './Foo.pm';
c38a6530 RD	200	#local @INC; # local fails on tied @INC
c38a6530 RD	201	my @old_INC = @INC; # because local doesn't work on tied arrays
ab742322 RB	202	@INC = sub { $filename = 'seen'; return undef; };
	203	eval { require $filename; };
	204	is( $filename, 'seen', 'the coderef sees fully-qualified pathnames' );
c38a6530	205	@INC = @old_INC;
ab742322 RB	206	}
ab742322 RB	207
6e592b3a BM	208	# this will segfault if it fails
	209
	210	sub PVBM () { 'foo' }
	211	{ my $dummy = index 'foo', PVBM }
	212
	213	# I don't know whether these requires should succeed or fail. 5.8 failed
	214	# all of them; 5.10 with an ordinary constant in place of PVBM lets the
	215	# latter two succeed. For now I don't care, as long as they don't
	216	# segfault :).
	217
	218	unshift @INC, sub { PVBM };
	219	eval 'require foo';
	220	ok( 1, 'returning PVBM doesn\'t segfault require' );
	221	eval 'use foo';
	222	ok( 1, 'returning PVBM doesn\'t segfault use' );
	223	shift @INC;
	224	unshift @INC, sub { \PVBM };
	225	eval 'require foo';
	226	ok( 1, 'returning PVBM ref doesn\'t segfault require' );
	227	eval 'use foo';
	228	ok( 1, 'returning PVBM ref doesn\'t segfault use' );
	229	shift @INC;
	230
ab742322 RB	231	exit if $minitest;
ab742322 RB	232
240b6766 AT	233	SKIP: {
	234	skip( "No PerlIO available", 3 ) unless $has_perlio;
	235	pop @INC;
	236
	237	push @INC, sub {
	238	my ($cr, $filename) = @_;
	239	my $module = $filename; $module =~ s,/,::,g; $module =~ s/\.pm$//;
	240	open my $fh, '<',
	241	\"package $module; sub complain { warn q() }; \$::file = __FILE__;"
	242	or die $!;
	243	$INC{$filename} = "/custom/path/to/$filename";
	244	return $fh;
	245	};
	246
	247	require Publius::Vergilius::Maro;
	248	is( $INC{'Publius/Vergilius/Maro.pm'},
	249	'/custom/path/to/Publius/Vergilius/Maro.pm', '%INC set correctly');
	250	is( our $file, '/custom/path/to/Publius/Vergilius/Maro.pm',
	251	'__FILE__ set correctly' );
	252	{
	253	my $warning;
	254	local $SIG{__WARN__} = sub { $warning = shift };
	255	Publius::Vergilius::Maro::complain();
	256	like( $warning, qr{something's wrong at /custom/path/to/Publius/Vergilius/Maro.pm}, 'warn() reports correct file source' );
	257	}
a3b58a99	258	}
a3b58a99 RGS	259	pop @INC;
a3b58a99 RGS	260
6b75eab3 NC	261	if ($can_fork) {
	262	require PerlIO::scalar;
	263	# This little bundle of joy generates n more recursive use statements,
	264	# with each module chaining the next one down to 0. If it works, then we
	265	# can safely nest subprocesses
	266	my $use_filter_too;
	267	push @INC, sub {
	268	return unless $_[1] =~ /^BBBLPLAST(\d+)\.pm/;
	269	my $pid = open my $fh, "-\|";
	270	if ($pid) {
	271	# Parent
	272	return $fh unless $use_filter_too;
	273	# Try filters and state in addition.
	274	return ($fh, sub {s/$_[1]/pass/; return}, "die")
	275	}
	276	die "Can't fork self: $!" unless defined $pid;
	277
	278	# Child
	279	my $count = $1;
	280	# Lets force some fun with odd sized reads.
	281	$\| = 1;
	282	print 'push @main::bbblplast, ';
	283	print "$count;\n";
	284	if ($count--) {
	285	print "use BBBLPLAST$count;\n";
	286	}
	287	if ($use_filter_too) {
	288	print "die('In $_[1]');";
	289	} else {
	290	print "pass('In $_[1]');";
	291	}
	292	print '"Truth"';
	293	POSIX::_exit(0);
	294	die "Can't get here: $!";
	295	};
	296
	297	@::bbblplast = ();
	298	require BBBLPLAST5;
	299	is ("@::bbblplast", "0 1 2 3 4 5", "All ran");
	300
	301	foreach (keys %INC) {
	302	delete $INC{$_} if /^BBBLPLAST/;
	303	}
	304
	305	@::bbblplast = ();
	306	$use_filter_too = 1;
	307
	308	require BBBLPLAST5;
	309
	310	is ("@::bbblplast", "0 1 2 3 4 5", "All ran with a filter");
	311	}