From 90da791a08bee6e4d9706dd80f9c15f22ff4c50f Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Sat, 24 Feb 2018 23:13:42 +1100
Subject: [PATCH] tests/basics: Add test for calling a subclass of a native
 class.

Adding this test gets py/objtype.c to 100% coverage.
---
 tests/basics/subclass_native_call.py     | 30 ++++++++++++++++++++++++
 tests/basics/subclass_native_call.py.exp |  1 +
 2 files changed, 31 insertions(+)
 create mode 100644 tests/basics/subclass_native_call.py
 create mode 100644 tests/basics/subclass_native_call.py.exp

diff --git a/tests/basics/subclass_native_call.py b/tests/basics/subclass_native_call.py
new file mode 100644
index 0000000000..c645575225
--- /dev/null
+++ b/tests/basics/subclass_native_call.py
@@ -0,0 +1,30 @@
+# test calling a subclass of a native class that supports calling
+
+# For this test we need a native class that can be subclassed (has make_new)
+# and is callable (has call).  The only one available is machine.Signal, which
+# in turns needs PinBase.
+try:
+    import umachine as machine
+except ImportError:
+    import machine
+try:
+    machine.PinBase
+    machine.Signal
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+class Pin(machine.PinBase):
+    #def __init__(self):
+    #    self.v = 0
+
+    def value(self, v=None):
+        return 42
+
+class MySignal(machine.Signal):
+    pass
+
+s = MySignal(Pin())
+
+# apply call to the subclass, which should call the native base
+print(s())
diff --git a/tests/basics/subclass_native_call.py.exp b/tests/basics/subclass_native_call.py.exp
new file mode 100644
index 0000000000..d81cc0710e
--- /dev/null
+++ b/tests/basics/subclass_native_call.py.exp
@@ -0,0 +1 @@
+42