Viewing file:  test_errstate.py (1.67 KB) -rw-r--r--
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# The following exec statement (or something like it) is needed to
# prevent SyntaxError on Python < 2.5. Even though this is a test,
# SyntaxErrors are not acceptable; on Debian systems, they block
# byte-compilation during install and thus cause the package to fail
# to install.
import sys
if sys.version_info[:2] >= (2, 5):
exec """
from __future__ import with_statement
from numpy.core import *
from numpy.random import rand, randint
from numpy.testing import *
class TestErrstate(TestCase):
def test_invalid(self):
with errstate(all='raise', under='ignore'):
a = -arange(3)
# This should work
with errstate(invalid='ignore'):
sqrt(a)
# While this should fail!
try:
sqrt(a)
except FloatingPointError:
pass
else:
self.fail()
def test_divide(self):
with errstate(all='raise', under='ignore'):
a = -arange(3)
# This should work
with errstate(divide='ignore'):
a / 0
# While this should fail!
try:
a / 0
except FloatingPointError:
pass
else:
self.fail()
def test_errcall(self):
def foo(*args):
print args
olderrcall = geterrcall()
with errstate(call=foo):
assert(geterrcall() is foo), 'call is not foo'
with errstate(call=None):
assert(geterrcall() is None), 'call is not None'
assert(geterrcall() is olderrcall), 'call is not olderrcall'
"""
if __name__ == "__main__":
run_module_suite()
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