1 files changed, 37 insertions, 0 deletions
diff --git a/tests/basics/struct2.py b/tests/basics/struct2.py
index d8234d0d3..ceb067776 100644
--- a/tests/basics/struct2.py
+++ b/tests/basics/struct2.py
@@ -25,6 +25,16 @@ print(struct.calcsize('0s1s0H2H'))
 print(struct.unpack('<0s1s0H2H', b'01234'))
 print(struct.pack('<0s1s0H2H', b'abc', b'abc', 258, 515))
 
+# check that we get an error if the buffer is too small
+try:
+    struct.unpack('2H', b'\x00\x00')
+except:
+    print('Exception')
+try:
+    struct.pack_into('2I', bytearray(4), 0, 0)
+except:
+    print('Exception')
+
 # check that unknown types raise an exception
 try:
     struct.unpack('z', b'1')
@@ -40,3 +50,30 @@ try:
     struct.calcsize('0z')
 except:
     print('Exception')
+
+# check that a count without a type specifier raises an exception
+
+try:
+    struct.calcsize('1')
+except:
+    print('Exception')
+
+try:
+    struct.pack('1')
+except:
+    print('Exception')
+
+try:
+    struct.pack_into('1', bytearray(4), 0, 'xx')
+except:
+    print('Exception')
+
+try:
+    struct.unpack('1', 'xx')
+except:
+    print('Exception')
+
+try:
+    struct.unpack_from('1', 'xx')
+except:
+    print('Exception')