Extra tweakage from Rafael for #19392.

[perl5.git] / lib / filetest.t

#!./perl

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

use Test::More tests => 11;

# these two should be kept in sync with the pragma itself
# if hint bits are changed there, other things *will* break
my $hint_bits = 0x00400000;
my $error = "filetest: the only implemented subpragma is 'access'.\n";

# can't use it yet, because of the import death
ok( require filetest, 'required pragma successfully' );

# and here's one culprit, right here
eval { filetest->import('bad subpragma') };
is( $@, $error, 'filetest dies with bad subpragma on import' );

is( $^H & $hint_bits, 0, 'hint bits not set without pragma in place' );

# now try the normal usage
# can't check $^H here; it's lexically magic (see perlvar)
# the test harness unintentionally hoards the goodies for itself
use_ok( 'filetest', 'access' );

# and import again, to see it here
filetest->import('access');
ok( $^H & $hint_bits, 'hint bits set with pragma loaded' );

# and now get rid of it
filetest->unimport('access');
is( $^H & $hint_bits, 0, 'hint bits not set with pragma unimported' );

eval { filetest->unimport() };
is( $@, $error, 'filetest dies without subpragma on unimport' );

# there'll be a compilation aborted failure here, with the eval string
eval "no filetest 'fake pragma'";
like( $@, qr/^$error/, 'filetest dies with bad subpragma on unuse' );

eval "use filetest 'bad subpragma'";
like( $@, qr/^$error/, 'filetest dies with bad subpragma on use' );

eval "use filetest";
like( $@, qr/^$error/, 'filetest dies with missing subpragma on use' );

eval "no filetest";
like( $@, qr/^$error/, 'filetest dies with missing subpragma on unuse' );