diff --git a/_test/compressed/25k_uuids.lzham b/_test/compressed/25k_uuids.lzham
new file mode 100644
index 0000000..0ca3a5f
Binary files /dev/null and b/_test/compressed/25k_uuids.lzham differ
diff --git a/_test/compressed/90_a.lzham b/_test/compressed/90_a.lzham
new file mode 100644
index 0000000..ce82e40
Binary files /dev/null and b/_test/compressed/90_a.lzham differ
diff --git a/_test/compressed/ascii_text.lzham b/_test/compressed/ascii_text.lzham
new file mode 100644
index 0000000..806e159
Binary files /dev/null and b/_test/compressed/ascii_text.lzham differ
diff --git a/_test/generate-data b/_test/generate-data
index ca298cf..c2ba37d 100755
--- a/_test/generate-data
+++ b/_test/generate-data
@@ -32,4 +32,8 @@ for I in uncompressed/*.dat; do
 
 	echo "$BASE.hadoop.sz"
 	python3 -c "import sys, snappy; from pathlib import Path; i = Path(sys.argv[1]).open('rb'); o = Path(sys.argv[2]).open('wb'); snappy.hadoop_stream_compress(i, o); i.close(); o.close();" $I compressed/$BASE.hadoop.sz
+
+	echo "$BASE.lzham"
+	# https://github.com/richgel999/lzham_codec/blob/master/lzhamtest/lzhamtest.cpp
+	lzhamtest -m4 -d29 -u -x -o -e -h0 c $I compressed/$BASE.lzham
 done