micropython: add micropython component

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

@@ -0,0 +1,23 @@
+# tests transition from small to large int representation by multiplication
+for rhs in range(2, 11):
+    lhs = 1
+    for k in range(100):
+        res = lhs * rhs
+        print(lhs, '*', rhs, '=', res)
+        lhs = res
+
+# below tests pos/neg combinations that overflow small int
+
+# 31-bit overflow
+i = 1 << 20
+print(i * i)
+print(i * -i)
+print(-i * i)
+print(-i * -i)
+
+# 63-bit overflow
+i = 1 << 40
+print(i * i)
+print(i * -i)
+print(-i * i)
+print(-i * -i)