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#!perl -w
BEGIN {
if( $ENV{PERL_CORE} ) {
chdir 't' if -d 't';
@INC = '../lib';
}
}
# Can't use Test::Simple/More, they depend on Exporter.
my $test;
sub ok ($;$) {
my($ok, $name) = @_;
# You have to do it this way or VMS will get confused.
printf "%sok %d%s\n", ($ok ? '' : 'not '), $test,
(defined $name ? " - $name" : '');
printf "# Failed test at line %d\n", (caller)[2] unless $ok;
$test++;
return $ok;
}
BEGIN {
$test = 1;
print "1..30\n";
require Exporter;
ok( 1, 'Exporter compiled' );
}
BEGIN {
# Methods which Exporter says it implements.
@Exporter_Methods = qw(import
export_to_level
require_version
export_fail
);
}
package Testing;
require Exporter;
@ISA = qw(Exporter);
# Make sure Testing can do everything its supposed to.
foreach my $meth (@::Exporter_Methods) {
::ok( Testing->can($meth), "subclass can $meth()" );
}
%EXPORT_TAGS = (
This => [qw(stuff %left)],
That => [qw(Above the @wailing)],
tray => [qw(Fasten $seatbelt)],
);
@EXPORT = qw(lifejacket is);
@EXPORT_OK = qw(under &your $seat);
$VERSION = '1.05';
::ok( Testing->require_version(1.05), 'require_version()' );
eval { Testing->require_version(1.11); 1 };
::ok( $@, 'require_version() fail' );
::ok( Testing->require_version(0), 'require_version(0)' );
sub lifejacket { 'lifejacket' }
sub stuff { 'stuff' }
sub Above { 'Above' }
sub the { 'the' }
sub Fasten { 'Fasten' }
sub your { 'your' }
sub under { 'under' }
use vars qw($seatbelt $seat @wailing %left);
$seatbelt = 'seatbelt';
$seat = 'seat';
@wailing = qw(AHHHHHH);
%left = ( left => "right" );
BEGIN {*is = \&Is};
sub Is { 'Is' };
Exporter::export_ok_tags();
my %tags = map { $_ => 1 } map { @$_ } values %EXPORT_TAGS;
my %exportok = map { $_ => 1 } @EXPORT_OK;
my $ok = 1;
foreach my $tag (keys %tags) {
$ok = exists $exportok{$tag};
}
::ok( $ok, 'export_ok_tags()' );
package Foo;
Testing->import;
::ok( defined &lifejacket, 'simple import' );
my $got = eval {&lifejacket};
::ok ( $@ eq "", 'check we can call the imported subroutine')
or print STDERR "# \$\@ is $@\n";
::ok ( $got eq 'lifejacket', 'and that it gave the correct result')
or print STDERR "# expected 'lifejacket', got " .
(defined $got ? "'$got'" : "undef") . "\n";
# The string eval is important. It stops $Foo::{is} existing when
# Testing->import is called.
::ok( eval "defined &is",
"Import a subroutine where exporter must create the typeglob" );
$got = eval "&is";
::ok ( $@ eq "", 'check we can call the imported autoloaded subroutine')
or chomp ($@), print STDERR "# \$\@ is $@\n";
::ok ( $got eq 'Is', 'and that it gave the correct result')
or print STDERR "# expected 'Is', got " .
(defined $got ? "'$got'" : "undef") . "\n";
package Bar;
my @imports = qw($seatbelt &Above stuff @wailing %left);
Testing->import(@imports);
::ok( (!grep { eval "!defined $_" } map({ /^\w/ ? "&$_" : $_ } @imports)),
'import by symbols' );
package Yar;
my @tags = qw(:This :tray);
Testing->import(@tags);
::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ }
map { @$_ } @{$Testing::EXPORT_TAGS{@tags}}),
'import by tags' );
package Arrr;
Testing->import(qw(!lifejacket));
::ok( !defined &lifejacket, 'deny import by !' );
package Mars;
Testing->import('/e/');
::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ }
grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK),
'import by regex');
package Venus;
Testing->import('!/e/');
::ok( (!grep { eval "defined $_" } map { /^\w/ ? "&$_" : $_ }
grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK),
'deny import by regex');
::ok( !defined &lifejacket, 'further denial' );
package More::Testing;
@ISA = qw(Exporter);
$VERSION = 0;
eval { More::Testing->require_version(0); 1 };
::ok(!$@, 'require_version(0) and $VERSION = 0');
package Yet::More::Testing;
@ISA = qw(Exporter);
$VERSION = 0;
eval { Yet::More::Testing->require_version(10); 1 };
::ok($@ !~ /\(undef\)/, 'require_version(10) and $VERSION = 0');
my $warnings;
BEGIN {
local $SIG{__WARN__} = sub { $warnings = join '', @_ };
package Testing::Unused::Vars;
@ISA = qw(Exporter);
@EXPORT = qw(this $TODO that);
package Foo;
Testing::Unused::Vars->import;
}
::ok( !$warnings, 'Unused variables can be exported without warning' ) ||
print "# $warnings\n";
package Moving::Target;
@ISA = qw(Exporter);
@EXPORT_OK = qw (foo);
sub foo {"This is foo"};
sub bar {"This is bar"};
package Moving::Target::Test;
Moving::Target->import ('foo');
::ok (foo() eq "This is foo", "imported foo before EXPORT_OK changed");
push @Moving::Target::EXPORT_OK, 'bar';
Moving::Target->import ('bar');
::ok (bar() eq "This is bar", "imported bar after EXPORT_OK changed");
package The::Import;
use Exporter 'import';
::ok(\&import == \&Exporter::import, "imported the import routine");
@EXPORT = qw( wibble );
sub wibble {return "wobble"};
package Use::The::Import;
The::Import->import;
my $val = eval { wibble() };
::ok($val eq "wobble", "exported importer worked");
# Check that Carp recognizes Exporter as internal to Perl
require Carp;
::ok($Carp::Internal{Exporter}, "Carp recognizes Exporter");
::ok($Carp::Internal{'Exporter::Heavy'}, "Carp recognizes Exporter::Heavy");
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