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Merged
youknowone merged 4 commits into from
Apr 15, 2026
+48 −7
Merged

Update test_range.py from 3.14.4 #7605

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27dbfc5
Update `test_range.py` from 3.14.4
ShaharNaveh Apr 14, 2026
a0df716
Skip crashing test
ShaharNaveh Apr 14, 2026
993f195
Merge remote-tracking branch 'upstream/main' into update-test-range
ShaharNaveh Apr 14, 2026
2ca3285
Mark another crashing test
ShaharNaveh Apr 14, 2026
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55 changes: 48 additions & 7 deletions Lib/test/test_range.py
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Original file line number Diff line number Diff line change
Expand Up @@ -91,8 +91,7 @@ def test_range(self):
r = range(-sys.maxsize, sys.maxsize, 2)
self.assertEqual(len(r), sys.maxsize)

# TODO: RUSTPYTHON
@unittest.expectedFailure
@unittest.expectedFailure # TODO: RUSTPYTHON
def test_range_constructor_error_messages(self):
with self.assertRaisesRegex(
TypeError,
Expand Down Expand Up @@ -409,11 +408,7 @@ def test_iterator_pickling_overflowing_index(self):
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
with self.subTest(proto=proto):
it = iter(range(2**32 + 2))
_, _, idx = it.__reduce__()
self.assertEqual(idx, 0)
it.__setstate__(2**32 + 1) # undocumented way to set r->index
_, _, idx = it.__reduce__()
self.assertEqual(idx, 2**32 + 1)
it.__setstate__(2**32 + 1) # undocumented way to advance an iterator
d = pickle.dumps(it, proto)
it = pickle.loads(d)
self.assertEqual(next(it), 2**32 + 1)
Expand Down Expand Up @@ -444,6 +439,50 @@ def test_large_exhausted_iterator_pickling(self):
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])

@unittest.skip("TODO: RUSTPYTHON; crash")
def test_iterator_unpickle_compat(self):
testcases = [
b'c__builtin__\niter\n(c__builtin__\nxrange\n(I10\nI20\nI2\ntRtRI2\nb.',
b'c__builtin__\niter\n(c__builtin__\nxrange\n(K\nK\x14K\x02tRtRK\x02b.',
b'\x80\x02c__builtin__\niter\nc__builtin__\nxrange\nK\nK\x14K\x02\x87R\x85RK\x02b.',
b'\x80\x03cbuiltins\niter\ncbuiltins\nrange\nK\nK\x14K\x02\x87R\x85RK\x02b.',
b'\x80\x04\x951\x00\x00\x00\x00\x00\x00\x00\x8c\x08builtins\x8c\x04iter\x93\x8c\x08builtins\x8c\x05range\x93K\nK\x14K\x02\x87R\x85RK\x02b.',

b'c__builtin__\niter\n(c__builtin__\nxrange\n(L-36893488147419103232L\nI20\nI2\ntRtRL18446744073709551623L\nb.',
b'c__builtin__\niter\n(c__builtin__\nxrange\n(L-36893488147419103232L\nK\x14K\x02tRtRL18446744073709551623L\nb.',
b'\x80\x02c__builtin__\niter\nc__builtin__\nxrange\n\x8a\t\x00\x00\x00\x00\x00\x00\x00\x00\xfeK\x14K\x02\x87R\x85R\x8a\t\x07\x00\x00\x00\x00\x00\x00\x00\x01b.',
b'\x80\x03cbuiltins\niter\ncbuiltins\nrange\n\x8a\t\x00\x00\x00\x00\x00\x00\x00\x00\xfeK\x14K\x02\x87R\x85R\x8a\t\x07\x00\x00\x00\x00\x00\x00\x00\x01b.',
b'\x80\x04\x95C\x00\x00\x00\x00\x00\x00\x00\x8c\x08builtins\x8c\x04iter\x93\x8c\x08builtins\x8c\x05range\x93\x8a\t\x00\x00\x00\x00\x00\x00\x00\x00\xfeK\x14K\x02\x87R\x85R\x8a\t\x07\x00\x00\x00\x00\x00\x00\x00\x01b.',
]
for t in testcases:
it = pickle.loads(t)
self.assertEqual(list(it), [14, 16, 18])

@unittest.skip("TODO: RUSTPYTHON; crash")
def test_iterator_setstate(self):
it = iter(range(10, 20, 2))
it.__setstate__(2)
self.assertEqual(list(it), [14, 16, 18])
it = reversed(range(10, 20, 2))
it.__setstate__(3)
self.assertEqual(list(it), [12, 10])
it = iter(range(-2**65, 20, 2))
it.__setstate__(2**64 + 7)
self.assertEqual(list(it), [14, 16, 18])
it = reversed(range(10, 2**65, 2))
it.__setstate__(2**64 - 7)
self.assertEqual(list(it), [12, 10])

def test_iterator_invalid_setstate(self):
for invalid_value in (1.0, ""):
ranges = (('rangeiter', range(10, 100, 2)),
('longrangeiter', range(10, 2**65, 2)))
for rng_name, rng in ranges:
with self.subTest(invalid_value=invalid_value, range=rng_name):
it = iter(rng)
with self.assertRaises(TypeError):
it.__setstate__(invalid_value)

def test_odd_bug(self):
# This used to raise a "SystemError: NULL result without error"
# because the range validation step was eating the exception
Expand Down Expand Up @@ -516,6 +555,7 @@ def test_range_iterators(self):
for start in limits
for end in limits
for step in (-2**63, -2**31, -2, -1, 1, 2)]
test_ranges += [(-2**63, 2**63-2, 1)] # regression test for gh-100810

for start, end, step in test_ranges:
iter1 = range(start, end, step)
Expand Down Expand Up @@ -661,6 +701,7 @@ def test_comparison(self):
with self.assertRaises(TypeError):
range(0) >= range(0)


def test_attributes(self):
# test the start, stop and step attributes of range objects
self.assert_attrs(range(0), 0, 0, 1)
Expand Down
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