Add functional test for NewType iterable checking

#2296

Author: colatkinson

tests/functional/i/iterable_context.py

@@ -4,6 +4,7 @@
 """
 # pylint: disable=missing-docstring,invalid-name,too-few-public-methods,no-init,no-self-use,import-error,unused-argument,bad-mcs-method-argument,wrong-import-position,no-else-return, useless-object-inheritance, unnecessary-comprehension,redundant-u-string-prefix
 from __future__ import print_function
+import typing
 
 # primitives
 numbers = [1, 2, 3]
@@ -190,3 +191,9 @@ def __getattr__(self, attr):
 
 for elem in HasDynamicGetattr():
     pass
+
+
+Subtype = typing.NewType("Subtype", typing.List[int])
+
+for i in Subtype():
+    pass

tests/functional/i/iterable_context.txt

@@ -1,10 +1,10 @@
-not-an-iterable:58:9:58:22::Non-iterable value powers_of_two is used in an iterating context:UNDEFINED
-not-an-iterable:93:6:93:9::Non-iterable value A() is used in an iterating context:UNDEFINED
-not-an-iterable:95:6:95:7::Non-iterable value B is used in an iterating context:UNDEFINED
-not-an-iterable:96:9:96:12::Non-iterable value A() is used in an iterating context:UNDEFINED
-not-an-iterable:100:9:100:10::Non-iterable value B is used in an iterating context:UNDEFINED
-not-an-iterable:103:9:103:14::Non-iterable value range is used in an iterating context:UNDEFINED
-not-an-iterable:107:9:107:13::Non-iterable value True is used in an iterating context:UNDEFINED
-not-an-iterable:110:9:110:13::Non-iterable value None is used in an iterating context:UNDEFINED
-not-an-iterable:113:9:113:12::Non-iterable value 8.5 is used in an iterating context:UNDEFINED
-not-an-iterable:116:9:116:11::Non-iterable value 10 is used in an iterating context:UNDEFINED
+not-an-iterable:59:9:59:22::Non-iterable value powers_of_two is used in an iterating context:UNDEFINED
+not-an-iterable:94:6:94:9::Non-iterable value A() is used in an iterating context:UNDEFINED
+not-an-iterable:96:6:96:7::Non-iterable value B is used in an iterating context:UNDEFINED
+not-an-iterable:97:9:97:12::Non-iterable value A() is used in an iterating context:UNDEFINED
+not-an-iterable:101:9:101:10::Non-iterable value B is used in an iterating context:UNDEFINED
+not-an-iterable:104:9:104:14::Non-iterable value range is used in an iterating context:UNDEFINED
+not-an-iterable:108:9:108:13::Non-iterable value True is used in an iterating context:UNDEFINED
+not-an-iterable:111:9:111:13::Non-iterable value None is used in an iterating context:UNDEFINED
+not-an-iterable:114:9:114:12::Non-iterable value 8.5 is used in an iterating context:UNDEFINED
+not-an-iterable:117:9:117:11::Non-iterable value 10 is used in an iterating context:UNDEFINED