diff --git a/test/test_data/bed/hg19/correct/hg19_example1.bed b/test/test_data/bed/hg19/correct/hg19_example1.bed
new file mode 100644
index 0000000..829c71a
--- /dev/null
+++ b/test/test_data/bed/hg19/correct/hg19_example1.bed
@@ -0,0 +1,120 @@
+chr1	237773	237860	id-1	165	.	-1	-1	16.5157
+chr1	713878	714346	id-2	1000	.	-1	-1	100
+chr1	762742	763071	id-3	218	.	-1	-1	21.8288
+chr1	779953	780126	id-4	23	.	-1	-1	2.33266
+chr1	805098	805457	id-5	152	.	-1	-1	15.1523
+chr1	839960	840294	id-6	145	.	-1	-1	14.4875
+chr1	848140	848448	id-7	38	.	-1	-1	3.80054
+chr1	856131	856198	id-8	17	.	-1	-1	1.74746
+chr1	856476	856765	id-9	110	.	-1	-1	10.9824
+chr1	859096	859388	id-10	109	.	-1	-1	10.8968
+chr1	894493	894959	id-11	342	.	-1	-1	34.2211
+chr1	895773	896075	id-12	126	.	-1	-1	12.5649
+chr1	902293	902465	id-13	27	.	-1	-1	2.65622
+chr1	911474	911742	id-14	65	.	-1	-1	6.53318
+chr1	911804	911988	id-15	23	.	-1	-1	2.31054
+chr1	935395	935753	id-16	129	.	-1	-1	12.9486
+chr1	936022	936426	id-17	62	.	-1	-1	6.20373
+chr1	948669	949009	id-18	114	.	-1	-1	11.3562
+chr1	949849	949900	id-19	14	.	-1	-1	1.38882
+chr1	954688	955293	id-20	65	.	-1	-1	6.50939
+chr1	968350	968771	id-21	283	.	-1	-1	28.2906
+chr1	976034	976418	id-22	168	.	-1	-1	16.8043
+chr1	994893	995188	id-23	121	.	-1	-1	12.1042
+chr1	1004557	1004880	id-24	67	.	-1	-1	6.66826
+chr1	1051346	1051973	id-25	368	.	-1	-1	36.7681
+chr1	1057588	1057782	id-26	31	.	-1	-1	3.10978
+chr1	1079517	1079851	id-27	36	.	-1	-1	3.6382
+chr1	1092785	1093027	id-28	63	.	-1	-1	6.31569
+chr1	1144411	1144521	id-29	16	.	-1	-1	1.55436
+chr1	1148870	1149087	id-30	44	.	-1	-1	4.37562
+chr1	1167205	1167938	id-31	1000	.	-1	-1	100
+chr1	1186331	1186611	id-32	141	.	-1	-1	14.103
+chr1	1209090	1209691	id-33	388	.	-1	-1	38.8309
+chr1	1227319	1227485	id-34	30	.	-1	-1	3.01702
+chr1	1240979	1241269	id-35	70	.	-1	-1	7.01569
+chr1	1243211	1244179	id-36	311	.	-1	-1	31.1023
+chr1	1259874	1260297	id-37	317	.	-1	-1	31.7083
+chr1	1260327	1260445	id-38	21	.	-1	-1	2.06303
+chr1	1284661	1285394	id-39	126	.	-1	-1	12.6306
+chr1	1294758	1294953	id-40	34	.	-1	-1	3.35333
+chr1	1306670	1307078	id-41	119	.	-1	-1	11.8911
+chr1	1307467	1307800	id-42	56	.	-1	-1	5.63811
+chr1	1307805	1307931	id-43	19	.	-1	-1	1.94843
+chr1	1310531	1311088	id-44	1000	.	-1	-1	100
+chr1	1334601	1335287	id-45	1000	.	-1	-1	100
+chr1	1337438	1337627	id-46	28	.	-1	-1	2.84627
+chr1	1342493	1342893	id-47	312	.	-1	-1	31.2023
+chr1	1370861	1371170	id-48	111	.	-1	-1	11.0748
+chr1	1376386	1376512	id-49	21	.	-1	-1	2.14935
+chr1	1406363	1406463	id-50	18	.	-1	-1	1.76571
+chr1	1406833	1407287	id-51	319	.	-1	-1	31.9074
+chr1	1438886	1439032	id-52	24	.	-1	-1	2.36493
+chr1	1440122	1440604	id-53	203	.	-1	-1	20.3326
+chr1	1446878	1447675	id-54	1000	.	-1	-1	100
+chr1	1509234	1509486	id-55	45	.	-1	-1	4.49284
+chr1	1509754	1510484	id-56	1000	.	-1	-1	100
+chr1	1550501	1551040	id-57	349	.	-1	-1	34.8716
+chr1	1551051	1551335	id-58	80	.	-1	-1	7.99757
+chr1	1564236	1564437	id-59	24	.	-1	-1	2.43228
+chr1	1564969	1566036	id-60	316	.	-1	-1	31.6269
+chr1	1590340	1590729	id-61	180	.	-1	-1	18.025
+chr1	1609384	1609550	id-62	22	.	-1	-1	2.19899
+chr1	1610449	1610595	id-63	22	.	-1	-1	2.19807
+chr1	1623864	1623959	id-64	321	.	-1	-1	32.1349
+chr1	1624190	1624435	id-65	1000	.	-1	-1	100
+chr1	1624568	1624677	id-66	183	.	-1	-1	18.2555
+chr1	1655613	1656018	id-67	1000	.	-1	-1	100
+chr1	1665267	1665440	id-68	26	.	-1	-1	2.60431
+chr1	1677599	1677732	id-69	15	.	-1	-1	1.50558
+chr1	1709748	1710754	id-70	220	.	-1	-1	22.0365
+chr1	1711625	1712133	id-71	91	.	-1	-1	9.09333
+chr1	1774329	1774434	id-72	25	.	-1	-1	2.46096
+chr1	1822394	1823111	id-73	315	.	-1	-1	31.4641
+chr1	1823131	1823194	id-74	16	.	-1	-1	1.64849
+chr1	1837829	1837915	id-75	18	.	-1	-1	1.76479
+chr1	1840425	1840910	id-76	123	.	-1	-1	12.3148
+chr1	1850552	1851291	id-77	1000	.	-1	-1	100
+chr1	1875476	1875734	id-78	67	.	-1	-1	6.72533
+chr1	1891535	1891812	id-79	213	.	-1	-1	21.2971
+chr1	1927725	1927863	id-80	24	.	-1	-1	2.42211
+chr1	1957178	1957547	id-81	144	.	-1	-1	14.4246
+chr1	1976305	1976594	id-82	120	.	-1	-1	11.9712
+chr1	1977958	1978170	id-83	46	.	-1	-1	4.63081
+chr1	2023113	2023382	id-84	130	.	-1	-1	13.0335
+chr1	2046689	2047009	id-85	57	.	-1	-1	5.68826
+chr1	2064595	2065174	id-86	135	.	-1	-1	13.5372
+chr1	2077769	2078354	id-87	59	.	-1	-1	5.86807
+chr1	2080162	2080509	id-88	70	.	-1	-1	6.98046
+chr1	2105854	2106045	id-89	31	.	-1	-1	3.08383
+chr1	2120851	2121233	id-90	204	.	-1	-1	20.4203
+chr1	2126057	2126929	id-91	122	.	-1	-1	12.2423
+chr1	2136329	2137107	id-92	200	.	-1	-1	19.9582
+chr1	2158930	2159533	id-93	296	.	-1	-1	29.5537
+chr1	2168695	2168980	id-94	80	.	-1	-1	8.02432
+chr1	2186854	2187870	id-95	143	.	-1	-1	14.2889
+chr1	2207674	2207847	id-96	23	.	-1	-1	2.33634
+chr1	2222202	2222401	id-97	32	.	-1	-1	3.22131
+chr1	2231988	2232080	id-98	17	.	-1	-1	1.71205
+chr1	2232350	2232868	id-99	303	.	-1	-1	30.3494
+chr1	2243006	2243227	id-100	40	.	-1	-1	3.97037
+chr1	2250411	2250524	id-101	23	.	-1	-1	2.34188
+chr1	2313233	2313448	id-102	45	.	-1	-1	4.49845
+chr1	2322642	2322742	id-103	18	.	-1	-1	1.83871
+chr1	2322746	2323519	id-104	1000	.	-1	-1	100
+chr1	2343553	2344618	id-105	1000	.	-1	-1	100
+chr1	2344619	2344839	id-106	18	.	-1	-1	1.84967
+chr1	2345261	2345403	id-107	25	.	-1	-1	2.48595
+chr1	2345707	2346172	id-108	136	.	-1	-1	13.5817
+chr1	2347253	2347488	id-109	29	.	-1	-1	2.87042
+chr1	2399519	2399791	id-110	131	.	-1	-1	13.1176
+chr1	2425431	2425519	id-111	15	.	-1	-1	1.53991
+chr1	2427752	2427937	id-112	31	.	-1	-1	3.07643
+chr1	2457551	2458259	id-113	303	.	-1	-1	30.3034
+chr1	2458269	2458492	id-114	30	.	-1	-1	3.04392
+chr1	2477487	2477961	id-115	96	.	-1	-1	9.60177
+chr1	2478333	2478633	id-116	64	.	-1	-1	6.4325
+chr1	2480218	2480427	id-117	37	.	-1	-1	3.69413
+chr1	2487958	2488052	id-118	16	.	-1	-1	1.62586
+chr1	2516893	2517176	id-119	52	.	-1	-1	5.19314
+chr1	2517689	2518403	id-120	1000	.	-1	-1	100
\ No newline at end of file
diff --git a/test/test_data/bed/hg19/correct/sample1.bed.gz b/test/test_data/bed/hg19/correct/sample1.bed.gz
new file mode 100644
index 0000000..6d4677f
Binary files /dev/null and b/test/test_data/bed/hg19/correct/sample1.bed.gz differ