micropython: add micropython component

components/language/micropython/tests/basics/python34.py

@@ -0,0 +1,38 @@
+# tests that differ when running under Python 3.4 vs 3.5/3.6/3.7
+
+try:
+    exec
+except NameError:
+    print("SKIP")
+    raise SystemExit
+
+
+def print_ret(x):
+    print(x)
+    return x
+
+# test evaluation order of dictionary key/value pair (in 3.4 it's backwards)
+{print_ret(1):print_ret(2)}
+
+
+# from basics/syntaxerror.py
+def test_syntax(code):
+    try:
+        exec(code)
+    except SyntaxError:
+        print("SyntaxError")
+
+
+test_syntax("f(**a, b)") # can't have positional after **
+test_syntax("() = []") # can't assign to empty tuple (in 3.6 we can)
+test_syntax("del ()") # can't delete empty tuple (in 3.6 we can)
+
+# from basics/sys1.py
+# uPy prints version 3.4
+import usys
+print(usys.version[:3])
+print(usys.version_info[0], usys.version_info[1])
+
+# from basics/exception1.py
+# in 3.7 no comma is printed if there is only 1 arg (in 3.4-3.6 one is printed)
+print(repr(IndexError("foo")))