micropython: add micropython component

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

@@ -0,0 +1,41 @@
+# test builtin dir
+
+# dir of locals
+print('__name__' in dir())
+
+# dir of module
+try:
+    import usys as sys
+except ImportError:
+    import sys
+print('version' in dir(sys))
+
+# dir of type
+print('append' in dir(list))
+
+class Foo:
+    def __init__(self):
+        self.x = 1
+foo = Foo()
+print('__init__' in dir(foo))
+print('x' in dir(foo))
+
+# dir of subclass
+class A:
+    def a():
+        pass
+class B(A):
+    def b():
+        pass
+d = dir(B())
+print(d.count('a'), d.count('b'))
+
+# dir of class with multiple bases and a common parent
+class C(A):
+    def c():
+        pass
+class D(B, C):
+    def d():
+        pass
+d = dir(D())
+print(d.count('a'), d.count('b'), d.count('c'), d.count('d'))