diff --git a/t/sgbr/base.t b/t/sgbr/base.t
new file mode 100644
index 0000000..6eb7d62
--- /dev/null
+++ b/t/sgbr/base.t
@@ -0,0 +1,39 @@
+use strict;
+use warnings;
+use Test::More;
+use File::Basename 'dirname';
+use File::Spec::Functions 'catdir';
+use Data::Dumper;
+use KorAP::XML::Tokenizer;
+use KorAP::XML::Krill;
+use utf8;
+
+my $path = catdir(dirname(__FILE__), 'CMC-TSK', '2014-09', 3401);
+
+ok(my $doc = KorAP::XML::Krill->new(
+  path => $path . '/'
+), 'Create Document');
+
+ok($doc->parse, 'Parse document');
+
+ok(my $tokens = KorAP::XML::Tokenizer->new(
+  path => $doc->path,
+  doc => $doc,
+  foundry => 'Sgbr',
+  layer => 'Lemma',
+  name => 'tokens'
+), 'Create tokens based on lemmata');
+
+ok($tokens->parse, 'Parse tokenization based on lemmata');
+
+ok($tokens->add('Base', 'Sentences'), 'Add Sentences');
+
+my $stream = $tokens->to_data->{data}->{stream};
+
+is($stream->[0]->[0], '-:base/sentences$<i>1');
+is($stream->[0]->[1], '-:tokens$<i>15');
+is($stream->[0]->[2], '<>:base/s:t$<b>64<i>0<i>115<i>14<b>0');
+is($stream->[0]->[3], '<>:base/s:s$<b>64<i>16<i>114<i>14<b>2');
+is($stream->[0]->[4], '_0$<i>17<i>18');
+
+done_testing;