diff --git a/tests/hypothesis_tests.py b/tests/hypothesis_tests.py
index cca90ca..8c95724 100644
--- a/tests/hypothesis_tests.py
+++ b/tests/hypothesis_tests.py
@@ -560,10 +560,44 @@ def test_shx_reader_writer_roundtrip(codes_and_shapes)-> None:
     "utf-16",
     "utf-32-be",
     "utf-32-le",
+    "cp1252",
+    "cp1254",
+    "cp932",
+    "euc_kr",
+    "euc_jp",
+    "mac_iceland",
+    "cp932",
+    "shift_jis",
+    "iso8859_5",
+    "koi8_r",
+    "gbk",
+    "gb18030",
+    "big5",
 ]
-
 encodings = sampled_from(ENCODINGS)
 
+# from encodings.aliases import aliases
+# encs = set()
+# for enc in aliases.values():
+#     if enc in encs:
+#         continue
+#     try:
+#         "".encode(enc)
+#     except UnicodeEncodeError, LookupError:
+#         continue
+#     encs.add(enc)
+# assert encs == ['utf_16_le', 'iso8859_7', 'cp437', 'iso2022_jp_3', 'shift_jis', 'cp775', 'cp1140',
+# 'cp861', 'iso8859_11', 'iso8859_9', 'euc_jp', 'utf_16', 'cp950', 'mac_cyrillic', 'mac_turkish', 'iso2022_jp_1', 'iso8859_10',
+# 'iso2022_jp_2004', 'cp866', 'mac_greek', 'hz', 'cp1257', 'cp037', 'cp863', 'iso8859_4', 'utf_16_be', 'gb18030', 'cp1250',
+# 'cp850', 'iso8859_5', 'shift_jisx0213', 'iso8859_8', 'cp273', 'euc_jisx0213', 'cp932', 'cp862', 'tis_620', 'cp1125', 'koi8_r',
+# 'cp874', 'cp1026', 'cp1252', 'cp858', 'cp865', 'gb2312', 'iso8859_15', 'cp857', 'cp860', 'iso2022_jp', 'iso2022_jp_ext',
+# 'ascii', 'cp1254', 'cp424', 'cp855', 'hp_roman8', 'mac_latin2', 'euc_jis_2004', 'euc_kr', 'cp1256', 'shift_jis_2004',
+# 'utf_32_le', 'gbk', 'cp869', 'iso8859_13', 'iso8859_3', 'big5', 'cp1258', 'cp1253', 'latin_1', 'cp864', 'utf_8',
+# 'iso2022_kr', 'cp1251', 'cp1255', 'mac_iceland', 'kz1048', 'iso8859_14', 'utf_32_be', 'ptcp154', 'iso8859_6', 'mac_roman',
+# 'utf_32', 'iso2022_jp_2', 'iso8859_16', 'mbcs', 'cp500', 'iso8859_2', 'cp949', 'cp852', 'utf_7', 'big5hkscs', 'johab']
+
+# encodings = sampled_from(list(encs))
+
 
 @composite
 def _dbf_fields_strategy(draw, encoding: str) -> dict[str, str | int]: