Initial merge of micropython v1.9.2 into circuitpython 2.0.0 (in development) master.

cpx build compiles and loads and works in repl; test suite not run yet
esp8266 not tested yet

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/basics/struct2.py b/tests/basics/struct2.py
index d8234d0d3..3b9dd5c1f 100644
--- a/tests/basics/struct2.py
+++ b/tests/basics/struct2.py
@@ -40,3 +40,30 @@ 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')