extend tests to cover some more internal signature cases of CPython builtins...

extend tests to cover some more internal signature cases of CPython builtins (METH_FASTCALL with and without keywords in P3.7)

runtests.py

@@ -349,6 +349,7 @@ VER_DEP_MODULES = {
     (3,4): (operator.lt, lambda x: x in ['run.py34_signature',
                                          ]),
     (3,5): (operator.lt, lambda x: x in ['run.py35_pep492_interop',
+                                         'run.fastcall',  # uses new deque features
                                          ]),
 }
 

tests/run/builtin_sorted.pyx

 cimport cython
 
+
 def generator():
     yield 2
     yield 1
     yield 3
 
+
 def returns_set():
     return {"foo", "bar", "baz"}
 
+
 def returns_tuple():
     return (1, 2, 3, 0)
 
+
 @cython.test_fail_if_path_exists("//SimpleCallNode")
 def sorted_arg(x):
     """
@@ -31,6 +35,26 @@ def sorted_arg(x):
     """
     return sorted(x)
 
+
+@cython.test_assert_path_exists("//GeneralCallNode")
+def sorted_arg_with_key(x):
+    """
+    >>> a = [3, 2, 1]
+    >>> sorted_arg_with_key(a)
+    [3, 2, 1]
+    >>> a
+    [3, 2, 1]
+    >>> sorted_arg_with_key(generator())
+    [3, 2, 1]
+    >>> sorted_arg_with_key(returns_tuple())
+    [3, 2, 1, 0]
+    >>> sorted_arg_with_key(object())
+    Traceback (most recent call last):
+    TypeError: 'object' object is not iterable
+    """
+    return sorted(x, key=lambda x: -x)
+
+
 @cython.test_fail_if_path_exists("//YieldExprNode",
                                  "//NoneCheckNode")
 @cython.test_assert_path_exists("//InlinedGeneratorExpressionNode")
@@ -41,6 +65,7 @@ def sorted_genexp():
     """
     return sorted(i*i for i in range(10,0,-1))
 
+
 @cython.test_fail_if_path_exists("//SimpleCallNode//SimpleCallNode")
 @cython.test_assert_path_exists("//SimpleCallNode/NameNode[@name = 'range']")
 def sorted_list_of_range():
@@ -50,6 +75,7 @@ def sorted_list_of_range():
     """
     return sorted(list(range(10,0,-1)))
 
+
 @cython.test_fail_if_path_exists("//SimpleCallNode")
 def sorted_list_literal():
     """
@@ -58,6 +84,7 @@ def sorted_list_literal():
     """
     return sorted([3, 1, 2] * 2)
 
+
 @cython.test_fail_if_path_exists("//SimpleCallNode")
 def sorted_tuple_literal():
     """

tests/run/fastcall.pyx

+# mode: run
+# tag: METH_FASTCALL
+
+from collections import deque
+
+
+def deque_methods(v):
+    """
+    >>> deque_methods(2)
+    [1, 2, 3, 4]
+    """
+    d = deque([1, 3, 4])
+    assert list(d) == [1,3,4]
+    d.insert(1, v)
+    assert list(d) == [1,2,3,4]
+    d.rotate(len(d) // 2)
+    assert list(d) == [3,4,1,2]
+    d.rotate(len(d) // 2)
+    assert list(d) == [1,2,3,4]
+
+    return list(d)