Commit 05fec17d authored by Damien George's avatar Damien George
Browse files

tests/basics/struct_micropython: Add test for 'S' typecode in ustruct.

The 'S' typecode is a uPy extension so it should be grouped with the other
extension (namely 'O' typecode).  Testing 'S' needs uctypes which is an
extmod module and not always available, so this test is made optional and
will only be run on ports that have (u)struct and uctypes.  Otherwise it
will be silently skipped.
parent 77cbd173
......@@ -18,3 +18,16 @@ o = A()
s = struct.pack("<O", o)
o2 = struct.unpack("<O", s)
print(o is o2[0])
# pack and unpack pointer to a string
# This requires uctypes to get the address of the string and instead of
# putting this in a dedicated test that can be skipped we simply pass
# if the import fails.
import uctypes
o = uctypes.addressof('abc')
s = struct.pack("<S", o)
o2 = struct.unpack("<S", s)
assert o2[0] == 'abc'
except ImportError:
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