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-rw-r--r--Lib/test/test_lzma.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py
index 49042d7..d2ae133 100644
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
@@ -1409,6 +1409,14 @@ class MiscellaneousTestCase(unittest.TestCase):
self.assertEqual(filterspec["lc"], 3)
self.assertEqual(filterspec["dict_size"], 8 << 20)
+ # see gh-104282
+ filters = [lzma.FILTER_X86, lzma.FILTER_POWERPC,
+ lzma.FILTER_IA64, lzma.FILTER_ARM,
+ lzma.FILTER_ARMTHUMB, lzma.FILTER_SPARC]
+ for f in filters:
+ filterspec = lzma._decode_filter_properties(f, b"")
+ self.assertEqual(filterspec, {"id": f})
+
def test_filter_properties_roundtrip(self):
spec1 = lzma._decode_filter_properties(
lzma.FILTER_LZMA1, b"]\x00\x00\x80\x00")