micropython: add micropython component

components/language/micropython/tests/basics/bytearray_slice_assign.py

@@ -0,0 +1,68 @@
+try:
+    bytearray()[:] = bytearray()
+except TypeError:
+    print("SKIP")
+    raise SystemExit
+
+# test slices; only 2 argument version supported by MicroPython at the moment
+x = bytearray(range(10))
+
+# Assignment
+l = bytearray(x)
+l[1:3] = bytearray([10, 20])
+print(l)
+l = bytearray(x)
+l[1:3] = bytearray([10])
+print(l)
+l = bytearray(x)
+l[1:3] = bytearray()
+print(l)
+l = bytearray(x)
+#del l[1:3]
+print(l)
+
+l = bytearray(x)
+l[:3] = bytearray([10, 20])
+print(l)
+l = bytearray(x)
+l[:3] = bytearray()
+print(l)
+l = bytearray(x)
+#del l[:3]
+print(l)
+
+l = bytearray(x)
+l[:-3] = bytearray([10, 20])
+print(l)
+l = bytearray(x)
+l[:-3] = bytearray()
+print(l)
+l = bytearray(x)
+#del l[:-3]
+print(l)
+
+# slice assignment that extends the array
+b = bytearray(2)
+b[2:] = bytearray(10)
+print(b)
+
+b = bytearray(10)
+b[:-1] = bytearray(500)
+print(len(b), b[0], b[-1])
+
+# extension with self on RHS
+b = bytearray(x)
+b[4:] = b
+print(b)
+
+# Assignment of bytes to array slice
+b = bytearray(2)
+b[1:1] = b"12345"
+print(b)
+
+# Growth of bytearray via slice extension
+b = bytearray(b'12345678')
+b.append(57) # expand and add a bit of unused space at end of the bytearray
+for i in range(400):
+    b[-1:] = b'ab' # grow slowly into the unused space
+print(len(b), b)