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testSliceTools.py
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testSliceTools.py
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from ..testutils import BaseTestCase, compare_files, temp_files
import unittest
import numpy as np
from pygsti.tools.slicetools import *
N = 100
slices = []
for i in range(1, N):
for j in range(1, N):
for k in [1, 2]:
slices.append(slice(i, j, k))
class SliceToolsBaseTestCase(BaseTestCase):
def test_length(self):
for s in slices:
length(s)
self.assertEqual(length(slice(10)), 0)
self.assertEqual(length(slice(1, 10)), 9)
def test_indices(self):
for s in slices:
indices(s)
indices(slice(10))
def test_intersect(self):
intersect(slice(None, 10, 1), slice(1, 10, 1))
intersect(slice(1, 10, 1), slice(None, 10, 1))
intersect(slice(1, None, 1), slice(1, 10, 1))
intersect(slice(1, 10, 1), slice(1, None, 1))
intersect(slice(10, -10, 1), slice(10, -10, 1))
def test_list_to_slice(self):
self.assertEqual(list_to_slice([]), slice(0, 0))
self.assertEqual(list_to_slice([1, 2, 3, 4]), slice(1, 5))
self.assertEqual(list_to_slice(slice(0,4)), slice(0, 4))
with self.assertRaises(ValueError):
list_to_slice([0,1,2,3,10]) # doesn't correspond to a slice
def test_asarray(self):
self.assertArraysAlmostEqual(as_array(slice(0,10)), np.arange(10))
self.assertArraysAlmostEqual(as_array([0,1,2,3,4,5,6,7,8,9]), np.arange(10))
if __name__ == '__main__':
unittest.main(verbosity=2)