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Add UTF-16LE roundtrip tests for StrFixedLenPaddedField #1

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Merged
randomstr1ng merged 1 commit into from
Jul 3, 2026
Merged

Add UTF-16LE roundtrip tests for StrFixedLenPaddedField #1

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24 changes: 24 additions & 0 deletions tests/fields_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,30 @@ def test_str_fixed_len_padded_field_roundtrip(self):
self.assertEqual(remaining, b"")
self.assertEqual(value, b"ab ")

def test_str_fixed_len_padded_field_utf16le_roundtrip(self):
pkt = DummyLengthPacket(8)
field = StrFixedLenPaddedField("value", b"", length_from=lambda pkt: pkt.size,
encoding="utf-16-le")

raw = field.addfield(pkt, b"", "AB")
self.assertEqual(raw, b"A\x00B\x00\x00\x00\x00\x00")

remaining, value = field.getfield(pkt, raw)
self.assertEqual(remaining, b"")
self.assertEqual(value, "AB")

def test_str_fixed_len_padded_field_utf16le_non_ascii(self):
pkt = DummyLengthPacket(8)
field = StrFixedLenPaddedField("value", b"", length_from=lambda pkt: pkt.size,
encoding="utf-16-le")

raw = field.addfield(pkt, b"", "Ä1")
self.assertEqual(raw, "Ä1".encode("utf-16-le") + b"\x00\x00\x00\x00")

remaining, value = field.getfield(pkt, raw)
self.assertEqual(remaining, b"")
self.assertEqual(value, "Ä1")

def test_str_null_fixed_len_padded_field_getfield(self):
pkt = DummyLengthPacket(4)
field = StrNullFixedLenPaddedField("value", b"", length_from=lambda pkt: pkt.size, padd=" ")
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