+ok(! $isis->{record}, 'no record');
+
+$isis->{record} = {
+ 900 => [ '^a900a^b900b^c900c' ],
+ 901 => [
+ '^a901a-1^b901b-1^c901c-1',
+ '^a901a-2^b901b-2',
+ '^a901a-3',
+ ],
+ 902 => [
+ '^aa1^aa2^aa3^bb1^aa4^bb2^cc1^aa5',
+ ],
+};
+$isis->{current_mfn} = 42;
+
+ok(my $hash = $isis->to_hash( $isis->mfn ), 'to_hash');
+diag "to_hash = ",Dumper( $hash ) if ($debug);
+is_deeply( $hash, {
+ "000" => [42],
+ 900 => [{ a => "900a", b => "900b", c => "900c" }],
+ 901 => [
+ { a => "901a-1", b => "901b-1", c => "901c-1" },
+ { a => "901a-2", b => "901b-2" },
+ { a => "901a-3" },
+ ],
+ 902 => [
+ { a => ["a1", "a2", "a3", "a4", "a5"], b => ["b1", "b2"], c => "c1" },
+ ],
+}, 'hash is_deeply');
+
+ok(my $ascii = $isis->to_ascii( $isis->mfn ), 'to_ascii');
+diag "to_ascii = \n", $ascii if ($debug);
+cmp_ok($ascii, 'eq', <<'__END_OF_ASCII__', 'to_ascii output');
+0 42
+900 ^a900a^b900b^c900c
+901 ^a901a-1^b901b-1^c901c-1
+901 ^a901a-2^b901b-2
+901 ^a901a-3
+902 ^aa1^aa2^aa3^bb1^aa4^bb2^cc1^aa5
+__END_OF_ASCII__
+
+
+ok(my $hash2 = $isis->to_hash({ mfn => $isis->mfn }), 'to_hash(mfn)');
+is_deeply( $hash2, $hash, 'same hash' );