1 files changed, 23 insertions, 0 deletions
diff --git a/tests/extmod/binascii_unhexlify.py b/tests/extmod/binascii_unhexlify.py
new file mode 100644
index 0000000000..bb663bc5b0
--- /dev/null
+++ b/tests/extmod/binascii_unhexlify.py
@@ -0,0 +1,23 @@
+try:
+    import binascii
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+for x in (
+    b"0001020304050607",
+    b"08090a0b0c0d0e0f",
+    b"7f80ff",
+    b"313233344142434461626364",
+):
+    print(binascii.unhexlify(x))
+
+try:
+    a = binascii.unhexlify(b"0")  # odd buffer length
+except ValueError:
+    print("ValueError")
+
+try:
+    a = binascii.unhexlify(b"gg")  # digit not hex
+except ValueError:
+    print("ValueError")