tests/uctypes: Test item assignment for scalar arrays.

tests/extmod/uctypes_array_assign_le.py

+import uctypes
+
+desc = {
+    # arr is array at offset 0, of UINT8 elements, array size is 2
+    "arr": (uctypes.ARRAY | 0, uctypes.UINT8 | 2),
+    # arr2 is array at offset 0, size 2, of structures defined recursively
+    "arr2": (uctypes.ARRAY | 0, 2, {"b": uctypes.UINT8 | 0}),
+    "arr3": (uctypes.ARRAY | 2, uctypes.UINT16 | 2),
+
+    # aligned
+    "arr5": (uctypes.ARRAY | 0, uctypes.UINT32 | 1),
+    # unaligned
+    "arr6": (uctypes.ARRAY | 1, uctypes.UINT32 | 1),
+
+    "arr7": (uctypes.ARRAY | 0, 1, {"l": uctypes.UINT32 | 0}),
+    "arr8": (uctypes.ARRAY | 1, 1, {"l": uctypes.UINT32 | 0})
+}
+
+data = bytearray(5)
+
+S = uctypes.struct(uctypes.addressof(data), desc,  uctypes.LITTLE_ENDIAN)
+
+# assign byte
+S.arr[0] = 0x11
+print(hex(S.arr[0]))
+assert hex(S.arr[0]) == "0x11"
+
+# assign word
+S.arr3[0] = 0x2233
+print(hex(S.arr3[0]))
+assert hex(S.arr3[0]) == "0x2233"
+
+# assign word, with index
+S.arr3[1] = 0x4455
+print(hex(S.arr3[1]))
+assert hex(S.arr3[1]) == "0x4455"
+
+# assign long, aligned
+S.arr5[0] = 0x66778899
+print(hex(S.arr5[0]))
+assert hex(S.arr5[0]) == "0x66778899"
+
+print(S.arr5[0] == S.arr7[0].l)
+assert S.arr5[0] == S.arr7[0].l
+
+
+# assign long, unaligned
+S.arr6[0] = 0xAABBCCDD
+print(hex(S.arr6[0]))
+assert hex(S.arr6[0]) == "0xaabbccdd"
+
+print(S.arr6[0] == S.arr8[0].l)
+assert S.arr6[0] == S.arr8[0].l
+

tests/extmod/uctypes_array_assign_le.py.exp

+0x11
+0x2233
+0x4455
+0x66778899
+True
+0xaabbccdd
+True

tests/extmod/uctypes_array_assign_native_le.py

+import sys
+import uctypes
+
+if sys.byteorder != "little":
+    print("SKIP")
+    sys.exit()
+
+desc = {
+    # arr is array at offset 0, of UINT8 elements, array size is 2
+    "arr": (uctypes.ARRAY | 0, uctypes.UINT8 | 2),
+    # arr2 is array at offset 0, size 2, of structures defined recursively
+    "arr2": (uctypes.ARRAY | 0, 2, {"b": uctypes.UINT8 | 0}),
+    "arr3": (uctypes.ARRAY | 2, uctypes.UINT16 | 2),
+
+    # aligned
+    "arr5": (uctypes.ARRAY | 0, uctypes.UINT32 | 1),
+    "arr7": (uctypes.ARRAY | 0, 1, {"l": uctypes.UINT32 | 0}),
+}
+
+data = bytearray(5)
+
+S = uctypes.struct(uctypes.addressof(data), desc)
+
+# assign byte
+S.arr[0] = 0x11
+print(hex(S.arr[0]))
+assert hex(S.arr[0]) == "0x11"
+
+# assign word
+S.arr3[0] = 0x2233
+print(hex(S.arr3[0]))
+assert hex(S.arr3[0]) == "0x2233"
+
+# assign word, with index
+S.arr3[1] = 0x4455
+print(hex(S.arr3[1]))
+assert hex(S.arr3[1]) == "0x4455"
+
+# assign long, aligned
+S.arr5[0] = 0x66778899
+print(hex(S.arr5[0]))
+assert hex(S.arr5[0]) == "0x66778899"
+
+print(S.arr5[0] == S.arr7[0].l)
+assert S.arr5[0] == S.arr7[0].l
+

tests/extmod/uctypes_array_assign_native_le.py.exp

+0x11
+0x2233
+0x4455
+0x66778899
+True