micropython: add micropython component

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

@@ -0,0 +1,35 @@
+# sets, see set_containment
+for i in 1, 2:
+    for o in {1:2}, {1:2}.keys():
+        print("{} in {}: {}".format(i, str(o), i in o))
+        print("{} not in {}: {}".format(i, str(o), i not in o))
+
+haystack = "supercalifragilistc"
+for needle in [haystack[i:] for i in range(len(haystack))]:
+    print(needle, "in", haystack, "::", needle in haystack)
+    print(needle, "not in", haystack, "::", needle not in haystack)
+    print(haystack, "in", needle, "::", haystack in needle)
+    print(haystack, "not in", needle, "::", haystack not in needle)
+for needle in [haystack[:i+1] for i in range(len(haystack))]:
+    print(needle, "in", haystack, "::", needle in haystack)
+    print(needle, "not in", haystack, "::", needle not in haystack)
+    print(haystack, "in", needle, "::", haystack in needle)
+    print(haystack, "not in", needle, "::", haystack not in needle)
+
+# containment of bytes/ints in bytes
+print(b'' in b'123')
+print(b'0' in b'123', b'1' in b'123')
+print(48 in b'123', 49 in b'123')
+
+# containment of int in str is an error
+try:
+    1 in '123'
+except TypeError:
+    print('TypeError')
+
+# until here, the tests would work without the 'second attempt' iteration thing.
+
+for i in 1, 2:
+    for o in [], [1], [1, 2]:
+        print("{} in {}: {}".format(i, o, i in o))
+        print("{} not in {}: {}".format(i, o, i not in o))