use strict;
use FileHandle::Unget;
use File::Spec::Functions qw(:ALL);
use Test::More tests => 4;
my $filename = catfile('t','temp', 'output.txt');
{
print "Writing file\n";
mkdir catfile('t','temp'), 0700;
unlink $filename;
my $fh = new FileHandle(">$filename");
print $fh "first line\n";
print $fh "second line\n";
close $fh;
}
# Test ungets'ing and reading a line of data
{
my $fh1 = new FileHandle::Unget($filename);
my $fh2 = new FileHandle::Unget($filename);
my $line = <$fh1>;
$line = <$fh2>;
$fh1->ungets("inserted 1\n");
$fh2->ungets("inserted 2\n");
$line = <$fh1>;
# 1
is($line, "inserted 1\n", 'Unget 1');
$line = <$fh2>;
# 2
is($line, "inserted 2\n", 'Unget 2');
$line = <$fh1>;
# 3
is($line, "second line\n", 'Get 1');
$line = <$fh2>;
# 4
is($line, "second line\n", 'Get 2');
$fh1->close;
$fh2->close;
}