1 files changed, 9 insertions, 0 deletions
diff --git a/tests/basics/struct1.py b/tests/basics/struct1.py
index a18655517..e473ffcc1 100644
--- a/tests/basics/struct1.py
+++ b/tests/basics/struct1.py
@@ -20,6 +20,8 @@ print(struct.pack("<h", 1))
 print(struct.pack(">h", 1))
 print(struct.pack("<b", 1))
 print(struct.pack(">b", 1))
+print(struct.pack("<x"))
+print(struct.pack(">x"))
 
 print(struct.pack("<bI", -128, 256))
 print(struct.pack(">bI", -128, 256))
@@ -29,6 +31,13 @@ print(struct.calcsize("97sI"))
 print(struct.unpack("<6sH", b"foo\0\0\0\x12\x34"))
 print(struct.pack("<6sH", b"foo", 10000))
 
+print(struct.calcsize("7xx"))
+print(struct.pack("7xx"))
+
+print(struct.calcsize(">bxI3xH"))
+print(struct.pack(">bxI3xH", 1, 2, 3))
+print(struct.unpack(">bxI3xH", b"\x01\0\0\0\0\x02\0\0\0\0\x03"))
+
 s = struct.pack("BHBI", 10, 100, 200, 300)
 v = struct.unpack("BHBI", s)
 print(v == (10, 100, 200, 300))