micropython: add micropython component

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

@@ -0,0 +1,44 @@
+class C1:
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return "str<C1 {}>".format(self.value)
+
+class C2:
+    def __init__(self, value):
+        self.value = value
+
+    def __repr__(self):
+        return "repr<C2 {}>".format(self.value)
+
+class C3:
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return "str<C3 {}>".format(self.value)
+
+    def __repr__(self):
+        return "repr<C3 {}>".format(self.value)
+
+c1 = C1(1)
+print(c1)
+
+c2 = C2(2)
+print(c2)
+
+s11 = str(c1)
+print(s11)
+# This will use builtin repr(), which uses id(), which is of course different
+# between CPython and MicroPython
+s12 = repr(c1)
+print("C1 object at" in s12)
+
+s21 = str(c2)
+print(s21)
+s22 = repr(c2)
+print(s22)
+
+c3 = C3(1)
+print(c3)