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Add packed recarray tests

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This commit is contained in:
Ivan Smirnov 2016-06-19 16:09:44 +01:00
parent 2e1565e414
commit 8502f542b3
1 changed files with 14 additions and 13 deletions
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23
example/example20.py
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@ -2,23 +2,24 @@
from __future__ import print_function
import numpy as np
from example import create_rec_simple
from example import create_rec_simple, create_rec_packed
def check_eq(arr, data, dtype):
np.testing.assert_equal(arr, np.array(data, dtype=dtype))
dtype = np.dtype({'names': ['x', 'y', 'z'],
simple_dtype = np.dtype({'names': ['x', 'y', 'z'],
'formats': ['?', 'u4', 'f4'],
'offsets': [0, 4, 8]})
base_dtype = np.dtype([('x', '?'), ('y', 'u4'), ('z', 'f4')])
packed_dtype = np.dtype([('x', '?'), ('y', 'u4'), ('z', 'f4')])
arr = create_rec_simple(3)
assert arr.dtype == dtype
check_eq(arr, [(False, 0, 0.0), (True, 1, 1.5), (False, 2, 3.0)], dtype)
check_eq(arr, [(False, 0, 0.0), (True, 1, 1.5), (False, 2, 3.0)], base_dtype)
for func, dtype in [(create_rec_simple, simple_dtype), (create_rec_packed, packed_dtype)]:
arr = func(3)
assert arr.dtype == dtype
check_eq(arr, [(False, 0, 0.0), (True, 1, 1.5), (False, 2, 3.0)], simple_dtype)
check_eq(arr, [(False, 0, 0.0), (True, 1, 1.5), (False, 2, 3.0)], packed_dtype)
arr = create_rec_simple(0)
assert arr.dtype == dtype
check_eq(arr, [], dtype)
check_eq(arr, [], base_dtype)
arr = func(0)
assert arr.dtype == dtype
check_eq(arr, [], simple_dtype)
check_eq(arr, [], packed_dtype)