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-rw-r--r--Lib/test/test_complex.py12
-rw-r--r--Lib/test/test_doctest.py2
-rw-r--r--Lib/test/test_typing.py2
3 files changed, 14 insertions, 2 deletions
diff --git a/Lib/test/test_complex.py b/Lib/test/test_complex.py
index abd7e39..1cd025e 100644
--- a/Lib/test/test_complex.py
+++ b/Lib/test/test_complex.py
@@ -499,6 +499,18 @@ class ComplexTest(unittest.TestCase):
self.assertEqual(complex(complex1(1j)), 2j)
self.assertRaises(TypeError, complex, complex2(1j))
+ def test___complex__(self):
+ z = 3 + 4j
+ self.assertEqual(z.__complex__(), z)
+ self.assertEqual(type(z.__complex__()), complex)
+
+ class complex_subclass(complex):
+ pass
+
+ z = complex_subclass(3 + 4j)
+ self.assertEqual(z.__complex__(), 3 + 4j)
+ self.assertEqual(type(z.__complex__()), complex)
+
@support.requires_IEEE_754
def test_constructor_special_numbers(self):
class complex2(complex):
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index 8f761d7..571dc78 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -668,7 +668,7 @@ plain ol' Python and is guaranteed to be available.
>>> import builtins
>>> tests = doctest.DocTestFinder().find(builtins)
- >>> 816 < len(tests) < 836 # approximate number of objects with docstrings
+ >>> 820 < len(tests) < 840 # approximate number of objects with docstrings
True
>>> real_tests = [t for t in tests if len(t.examples) > 0]
>>> len(real_tests) # objects that actually have doctests
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index 3bd5894..84521ee 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -1533,11 +1533,11 @@ class ProtocolTests(BaseTestCase):
def test_supports_complex(self):
- # Note: complex itself doesn't have __complex__.
class C:
def __complex__(self):
return 0j
+ self.assertIsSubclass(complex, typing.SupportsComplex)
self.assertIsSubclass(C, typing.SupportsComplex)
self.assertNotIsSubclass(str, typing.SupportsComplex)