micropython: add micropython component

components/language/micropython/tests/extmod/urandom_basic.py

@@ -0,0 +1,32 @@
+try:
+    import urandom as random
+except ImportError:
+    try:
+        import random
+    except ImportError:
+        print("SKIP")
+        raise SystemExit
+
+# check getrandbits returns a value within the bit range
+for b in (1, 2, 3, 4, 16, 32):
+    for i in range(50):
+        assert random.getrandbits(b) < (1 << b)
+
+# check that seed(0) gives a non-zero value
+random.seed(0)
+print(random.getrandbits(16) != 0)
+
+# check that PRNG is repeatable
+random.seed(1)
+r = random.getrandbits(16)
+random.seed(1)
+print(random.getrandbits(16) == r)
+
+# check that zero bits works
+print(random.getrandbits(0))
+
+# check that it throws an error for negative bits
+try:
+    random.getrandbits(-1)
+except ValueError:
+    print("ValueError")