r592@rob-kinyons-computer-2 (orig r10555): rkinyon | 2008-01-15 14:19:42 -0500

[dbsrgits/DBM-Deep.git] / t / 19_crossref.t

diff --git a/t/19_crossref.t b/t/19_crossref.t
index e01810c..ff99319 100644 (file)
--- a/t/19_crossref.t
+++ b/t/19_crossref.t
@@ -2,36 +2,62 @@
 # DBM::Deep Test
 ##
 use strict;
-use Test::More tests => 5;
-use File::Temp qw( tempfile tempdir );
+use Test::More tests => 9;
+use Test::Exception;
+use t::common qw( new_fh );
 
 use_ok( 'DBM::Deep' );
 
-my $dir = tempdir( CLEANUP => 1 );
-my ($fh2, $filename2) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir );
-my $db2 = DBM::Deep->new( $filename2 );
+my ($fh2, $filename2) = new_fh();
+my $db2 = DBM::Deep->new( file => $filename2, fh => $fh2, );
+
+SKIP: {
+    skip "Apparently, we cannot detect a tied scalar?", 1;
+    tie my $foo, 'Tied::Scalar';
+    throws_ok {
+        $db2->{failure} = $foo;
+    } qr/Cannot store something that is tied\./, "tied scalar storage fails";
+}
+
+{
+    tie my @foo, 'Tied::Array';
+    throws_ok {
+        $db2->{failure} = \@foo;
+    } qr/Cannot store something that is tied\./, "tied array storage fails";
+}
+
+{
+    tie my %foo, 'Tied::Hash';
+    throws_ok {
+        $db2->{failure} = \%foo;
+    } qr/Cannot store something that is tied\./, "tied hash storage fails";
+}
 
 {
-    my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir );
-    my $db = DBM::Deep->new( $filename );
+    my ($fh, $filename) = new_fh();
+    my $db = DBM::Deep->new( file => $filename, fh => $fh, );
 
     ##
     # Create structure in $db
     ##
-    $db->import(
+    $db->import({
         hash1 => {
             subkey1 => "subvalue1",
-            subkey2 => "subvalue2"
+            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};
+    # Test cross-ref nested hash accross DB objects
+    throws_ok {
+        $db2->{copy} = $db->{hash1};
+    } qr/Cannot store values across DBM::Deep files\. Please use export\(\) instead\./, "cross-ref fails";
+
+    # This error text is for when internal cross-refs are implemented
+    #} qr/Cannot cross-reference\. Use export\(\) instead\./, "cross-ref fails";
+
+    $db2->{copy} = $db->{hash1}->export;
 }
 
 ##
@@ -39,3 +65,13 @@ my $db2 = DBM::Deep->new( $filename2 );
 ##
 is( $db2->{copy}{subkey1}, 'subvalue1', "Value copied correctly" );
 is( $db2->{copy}{subkey2}, 'subvalue2', "Value copied correctly" );
+
+package Tied::Scalar;
+sub TIESCALAR { bless {}, $_[0]; }
+sub FETCH{}
+
+package Tied::Array;
+sub TIEARRAY { bless {}, $_[0]; }
+
+package Tied::Hash;
+sub TIEHASH { bless {}, $_[0]; }