--- t/fs.t	2007/07/09 10:35:02	12
+++ t/fs.t	2007/07/09 13:45:45	16
@@ -4,7 +4,7 @@
 
 my $debug = shift @ARGV;
 
-use Test::More tests => 227;
+use Test::More tests => 710;
 use File::Slurp;
 use IO::File;
 
@@ -21,7 +21,7 @@
 	ok( open(my $d, '<', "$to/.debug"), 'open debug' );
 	local $/;
 	my $dump = <$d>;
-	diag "DEBUG: $msg\n$dump\n";
+	diag "DEBUG: $msg\n$dump\n" if $debug;
 	ok( close($d), 'close debug' );
 }
 
@@ -63,10 +63,12 @@
 		ok( -e "$tmp/$path" , "in tmp $tmp/$path" ) if ( $op eq '<' );
 		# check total size if not append
 		if ( $op ne '>>' ) {
-			cmp_ok( -s "$tmp/$path", '==', $size, "$tmp/$path = $size bytes" );
+			cmp_ok( -s $pack, '==', $size, "$tmp/$path = $size bytes" );
 		}
 	} else {
 		ok( -e "$from/$path", "on disk $from/$path" );
+		diag "$op curr_size: $orig_size size: $size";
+		$size += $orig_size if ( $op eq '>>' );
 		cmp_ok( -s "$from/$path", '==', $size, "$from/$path = $size bytes" );
 	}
 
@@ -92,20 +94,61 @@
 	file( '>', $file, '' );
 	file( '<', $file, '' );
 
-#	file( '>', $file, $content );
-#	file( '<', $file, $content ); 
+	file( '>', $file, $content );
+	file( '<', $file, $content ); 
+
+}
+
+
+sub multiple_rw {
+
+	diag "multiple read-write";
+	ok( my $fh1 = IO::File->new("> $to/m"), 'open 1' );
+	$fh1->autoflush;
+	ok( print($fh1 "1.1\n"), 'print 1.1' );
+	ok( my $fh2 = IO::File->new(">> $to/m"), 'open 2' );
+	$fh2->autoflush;
+	ok( print($fh2 "2.1\n"), 'print 2.1' );
+	cmp_ok( read_file("$to/m"), 'eq', "1.1\n2.1\n", 'mixed' );
+	ok( print($fh1 "1.2\n"), 'print 1.2' );
+	cmp_ok( read_file("$to/m"), 'eq', "1.1\n1.2\n", 'just 1' );
+	dump_debug 'own twice';
+	ok( print($fh1 "x" x 65535), 'print 1 64k' );
+	ok( close($fh1), 'close 1' );
+	dump_debug 'own once';
+	ok( close($fh2), 'close 2' );
+	dump_debug 'closed';
+
+	my @sizes;
+	my $size = 65536;
+	while ( $size > 1 ) {
+		push @sizes, $size;
+		$size /= 2;
+	}
+
+	foreach my $size ( @sizes ) {
+		ok( my $fh1 = IO::File->new("> $to/m"), 'open 1' );
+		ok( truncate( $fh1, $size ), 'truncate' );
+		dump_debug 'truncate';
+		ok( close($fh1), 'close 1' );
+		cmp_ok( -s "$to/m", '==', $size, "truncated to $size" );
+	}
+
+
+	foreach my $size ( sort @sizes ) {
+		my $orig_size = -s "$to/m";
+		ok( my $fh1 = IO::File->new(">> $to/m"), 'open 1' );
+		ok( print($fh1 "x" x $size), "print $size bytes" );
+		dump_debug 'append';
+		ok( close($fh1), 'close 1' );
+		my $expected_size = $size + $orig_size;
+		cmp_ok( -s "$to/m", '==', $expected_size, "appended upto $expected_size" );
+	}
+
 
 }
 
-diag "multiple read-write";
+multiple_rw;
+multiple_rw;
 
-ok( my $fh1 = IO::File->new("> $to/m"), 'open 1' );
-$fh1->autoflush;
-ok( print($fh1 "1.1\n"), 'print 1.1' );
-ok( my $fh2 = IO::File->new(">> $to/m"), 'open 2' );
-$fh2->autoflush;
-ok( print($fh2 "2.1\n"), 'print 2.1' );
-cmp_ok( read_file("$to/m"), 'eq', "1.1\n2.1\n", 'mixed' );
-ok( print($fh1 "1.2\n"), 'print 1.2' );
-cmp_ok( read_file("$to/m"), 'eq', "1.1\n1.2\n", 'just 1' );