50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
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from __future__ import division, absolute_import, print_function
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import platform
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import pytest
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import numpy as np
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from numpy.testing import assert_, assert_raises
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class TestErrstate(object):
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@pytest.mark.skipif(platform.machine() == "armv5tel", reason="See gh-413.")
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def test_invalid(self):
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with np.errstate(all='raise', under='ignore'):
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a = -np.arange(3)
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# This should work
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with np.errstate(invalid='ignore'):
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np.sqrt(a)
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# While this should fail!
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with assert_raises(FloatingPointError):
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np.sqrt(a)
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def test_divide(self):
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with np.errstate(all='raise', under='ignore'):
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a = -np.arange(3)
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# This should work
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with np.errstate(divide='ignore'):
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a // 0
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# While this should fail!
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with assert_raises(FloatingPointError):
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a // 0
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def test_errcall(self):
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def foo(*args):
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print(args)
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olderrcall = np.geterrcall()
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with np.errstate(call=foo):
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assert_(np.geterrcall() is foo, 'call is not foo')
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with np.errstate(call=None):
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assert_(np.geterrcall() is None, 'call is not None')
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assert_(np.geterrcall() is olderrcall, 'call is not olderrcall')
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def test_errstate_decorator(self):
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@np.errstate(all='ignore')
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def foo():
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a = -np.arange(3)
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a // 0
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foo()
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