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-rw-r--r--tests/extmod/uzlib_decompio_gz.py10
-rw-r--r--tests/extmod/uzlib_decompio_gz.py.exp2
2 files changed, 12 insertions, 0 deletions
diff --git a/tests/extmod/uzlib_decompio_gz.py b/tests/extmod/uzlib_decompio_gz.py
index 5ab25354cd..7572e96939 100644
--- a/tests/extmod/uzlib_decompio_gz.py
+++ b/tests/extmod/uzlib_decompio_gz.py
@@ -20,6 +20,16 @@ print(inp.read(1))
print(inp.read())
print(buf.seek(0, 1))
+# Check FHCRC field
+buf = io.BytesIO(b'\x1f\x8b\x08\x02\x99\x0c\xe5W\x00\x03\x00\x00\xcbH\xcd\xc9\xc9\x07\x00\x86\xa6\x106\x05\x00\x00\x00')
+inp = zlib.DecompIO(buf, 16 + 8)
+print(inp.read())
+
+# Check FEXTRA field
+buf = io.BytesIO(b'\x1f\x8b\x08\x04\x99\x0c\xe5W\x00\x03\x01\x00X\xcbH\xcd\xc9\xc9\x07\x00\x86\xa6\x106\x05\x00\x00\x00')
+inp = zlib.DecompIO(buf, 16 + 8)
+print(inp.read())
+
# broken header
buf = io.BytesIO(b'\x1f\x8c\x08\x08\x99\x0c\xe5W\x00\x03hello\x00\xcbH\xcd\xc9\xc9\x07\x00\x86\xa6\x106\x05\x00\x00\x00')
try:
diff --git a/tests/extmod/uzlib_decompio_gz.py.exp b/tests/extmod/uzlib_decompio_gz.py.exp
index 2330580f8c..20a30c82a3 100644
--- a/tests/extmod/uzlib_decompio_gz.py.exp
+++ b/tests/extmod/uzlib_decompio_gz.py.exp
@@ -7,5 +7,7 @@ b'lo'
b''
b''
31
+b'hello'
+b'hello'
ValueError
OSError(22,)