1 files changed, 76 insertions, 0 deletions
diff --git a/tests/run/methodmangling_pure.py b/tests/run/methodmangling_pure.py
new file mode 100644
index 000000000..10b811e2f
--- /dev/null
+++ b/tests/run/methodmangling_pure.py
@@ -0,0 +1,76 @@
+# mode: run
+# cython: language_level=3
+
+# This file tests that methodmangling is applied correctly to
+# pure Python decorated classes.
+
+import cython
+
+if cython.compiled:
+    # don't run in Python mode since a significant number of the tests
+    # are only for Cython features
+
+    def declare(**kwargs):
+        return kwargs['__x']
+
+    class RegularClass:
+        @cython.locals(__x=cython.int)
+        def f1(self, __x, dummy=None):
+            """
+            Is the locals decorator correctly applied
+            >>> c = RegularClass()
+            >>> c.f1(1)
+            1
+            >>> c.f1("a")
+            Traceback (most recent call last):
+            ...
+            TypeError: an integer is required
+            >>> c.f1(_RegularClass__x = 1)
+            1
+            """
+            return __x
+
+        def f2(self, x):
+            """
+            Is the locals decorator correctly applied
+            >>> c = RegularClass()
+            >>> c.f2(1)
+            1
+            >>> c.f2("a")
+            Traceback (most recent call last):
+            ...
+            TypeError: an integer is required
+            """
+            __x = cython.declare(cython.int, x)
+
+            return __x
+
+        def f3(self, x):
+            """
+            Is the locals decorator correctly applied
+            >>> c = RegularClass()
+            >>> c.f3(1)
+            1
+            >>> c.f3("a")
+            Traceback (most recent call last):
+            ...
+            TypeError: an integer is required
+            """
+            cython.declare(__x=cython.int)
+            __x = x
+
+            return __x
+
+        def f4(self, x):
+            """
+            We shouldn't be tripped up by a function called
+            "declare" that is nothing to do with cython
+            >>> RegularClass().f4(1)
+            1
+            """
+            return declare(__x=x)
+else:
+    __doc__ = """
+    >>> True
+    True
+    """  # stops Python2 from failing