X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F19_crossref.t;h=aa495129f01fa69d696ee12ecae83940dcadccaa;hb=9d4fa373569515c80202db567b7275103bd37371;hp=56f96de6a387fa064f805b3675f8a46c50a26574;hpb=075910edd08e4ee071dcf8b0abbde2ac00cc0daa;p=dbsrgits%2FDBM-Deep.git

diff --git a/t/19_crossref.t b/t/19_crossref.t
index 56f96de..aa49512 100644
--- a/t/19_crossref.t
+++ b/t/19_crossref.t
@@ -2,46 +2,44 @@
 # DBM::Deep Test
 ##
 use strict;
-use Test::More tests => 5;
+use Test::More tests => 6;
+use Test::Exception;
+use File::Temp qw( tempfile tempdir );
+use Fcntl qw( :flock );
 
 use_ok( 'DBM::Deep' );
 
-unlink "t/test.db";
-my $db = DBM::Deep->new( "t/test.db" );
-if ($db->error()) {
-	die "ERROR: " . $db->error();
+my $dir = tempdir( CLEANUP => 1 );
+my ($fh2, $filename2) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir );
+flock $fh2, LOCK_UN;
+my $db2 = DBM::Deep->new( $filename2 );
+
+{
+    my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir );
+    flock $fh, LOCK_UN;
+    my $db = DBM::Deep->new( $filename );
+
+    ##
+    # Create structure in $db
+    ##
+    $db->import(
+        hash1 => {
+            subkey1 => "subvalue1",
+            subkey2 => "subvalue2",
+        }
+    );
+    is( $db->{hash1}{subkey1}, 'subvalue1', "Value imported correctly" );
+    is( $db->{hash1}{subkey2}, 'subvalue2', "Value imported correctly" );
+
+    ##
+    # Cross-ref nested hash accross DB objects
+    ##
+    throws_ok {
+        $db2->{copy} = $db->{hash1};
+    } qr/Cannot cross-reference\. Use export\(\) instead/, "cross-ref fails";
+    $db2->{copy} = $db->{hash1}->export;
 }
 
-unlink "t/test2.db";
-my $db2 = DBM::Deep->new( "t/test2.db" );
-if ($db2->error()) {
-	die "ERROR: " . $db2->error();
-}
-
-##
-# Create structure in $db
-##
-$db->import(
-	hash1 => {
-		subkey1 => "subvalue1",
-		subkey2 => "subvalue2"
-	}
-);
-
-is( $db->{hash1}{subkey1}, 'subvalue1', "Value imported correctly" );
-is( $db->{hash1}{subkey2}, 'subvalue2', "Value imported correctly" );
-
-##
-# Cross-ref nested hash accross DB objects
-##
-$db2->{copy} = $db->{hash1};
-
-##
-# close, delete $db
-##
-undef $db;
-unlink "t/test.db";
-
 ##
 # Make sure $db2 has copy of $db's hash structure
 ##