Issue #5463: Remove _PY_STRUCT_RANGE_CHECKING constant from struct
module, and remove associated code from test_struct. This was a
mechanism for skipping some of the tests for overflow behaviour when
packing integers; it's no longer necessary.
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 1d10b8f..beeee8f 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -14,10 +14,8 @@
try:
import _struct
except ImportError:
- PY_STRUCT_RANGE_CHECKING = 0
PY_STRUCT_FLOAT_COERCE = 2
else:
- PY_STRUCT_RANGE_CHECKING = getattr(_struct, '_PY_STRUCT_RANGE_CHECKING', 0)
PY_STRUCT_FLOAT_COERCE = getattr(_struct, '_PY_STRUCT_FLOAT_COERCE', 0)
def string_reverse(s):
@@ -40,20 +38,6 @@
return func(*args, **kw)
return decorator
-@with_warning_restore
-def deprecated_err(func, *args):
- try:
- func(*args)
- except (struct.error, OverflowError):
- pass
- except DeprecationWarning:
- raise TestFailed("%s%s expected to raise DeprecationWarning" % (
- func.__name__, args))
- else:
- raise TestFailed("%s%s did not raise error" % (
- func.__name__, args))
-
-
class StructTest(unittest.TestCase):
@with_warning_restore
@@ -222,12 +206,6 @@
class IntTester(unittest.TestCase):
- # XXX Most std integer modes fail to test for out-of-range.
- # The "i" and "l" codes appear to range-check OK on 32-bit boxes, but
- # fail to check correctly on some 64-bit ones (Tru64 Unix + Compaq C
- # reported by Mark Favas).
- BUGGY_RANGE_CHECK = "bBhHiIlL"
-
def __init__(self, formatpair, bytesize):
self.assertEqual(len(formatpair), 2)
self.formatpair = formatpair
@@ -291,12 +269,10 @@
else:
# x is out of range -- verify pack realizes that.
- if not PY_STRUCT_RANGE_CHECKING and code in self.BUGGY_RANGE_CHECK:
- if verbose:
- print("Skipping buggy range check for code", code)
- else:
- deprecated_err(pack, ">" + code, x)
- deprecated_err(pack, "<" + code, x)
+ self.assertRaises((struct.error, OverflowError),
+ pack, ">" + code, x)
+ self.assertRaises((struct.error, OverflowError),
+ pack, "<" + code, x)
# Much the same for unsigned.
code = self.unsigned_code
@@ -340,12 +316,10 @@
else:
# x is out of range -- verify pack realizes that.
- if not PY_STRUCT_RANGE_CHECKING and code in self.BUGGY_RANGE_CHECK:
- if verbose:
- print("Skipping buggy range check for code", code)
- else:
- deprecated_err(pack, ">" + code, x)
- deprecated_err(pack, "<" + code, x)
+ self.assertRaises((struct.error, OverflowError),
+ pack, ">" + code, x)
+ self.assertRaises((struct.error, OverflowError),
+ pack, "<" + code, x)
def run(self):
from random import randrange
@@ -443,20 +417,24 @@
big = math.ldexp(big, 127 - 24)
self.assertRaises(OverflowError, struct.pack, ">f", big)
- if PY_STRUCT_RANGE_CHECKING:
- def test_1229380(self):
- # SF bug 1229380. No struct.pack exception for some out of
- # range integers
- import sys
- for endian in ('', '>', '<'):
- for fmt in ('B', 'H', 'I', 'L'):
- deprecated_err(struct.pack, endian + fmt, -1)
+ def test_1229380(self):
+ # SF bug 1229380. No struct.pack exception for some out of
+ # range integers
+ import sys
+ for endian in ('', '>', '<'):
+ for fmt in ('B', 'H', 'I', 'L'):
+ self.assertRaises((struct.error, OverflowError), struct.pack,
+ endian + fmt, -1)
- deprecated_err(struct.pack, endian + 'B', 300)
- deprecated_err(struct.pack, endian + 'H', 70000)
+ self.assertRaises((struct.error, OverflowError), struct.pack,
+ endian + 'B', 300)
+ self.assertRaises((struct.error, OverflowError), struct.pack,
+ endian + 'H', 70000)
- deprecated_err(struct.pack, endian + 'I', sys.maxsize * 4)
- deprecated_err(struct.pack, endian + 'L', sys.maxsize * 4)
+ self.assertRaises((struct.error, OverflowError), struct.pack,
+ endian + 'I', sys.maxsize * 4)
+ self.assertRaises((struct.error, OverflowError), struct.pack,
+ endian + 'L', sys.maxsize * 4)
def XXXtest_1530559(self):
# XXX This is broken: see the bug report