| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | val_ops_test.py: Tests for val_ops.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 |
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| 7 | import unittest
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| 8 |
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| 9 | from _devbuild.gen.value_asdl import value
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| 10 | from ysh import val_ops # module under test
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| 11 |
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| 12 |
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| 13 | class IteratorTest(unittest.TestCase):
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| 14 |
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| 15 | def testIterator(self):
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| 16 | a = ['a', 'b']
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| 17 |
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| 18 | it = val_ops.ArrayIter(a)
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| 19 | self.assertEqual('a', it.FirstValue().s)
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| 20 | it.Next()
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| 21 |
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| 22 | self.assertEqual('b', it.FirstValue().s)
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| 23 | it.Next()
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| 24 |
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| 25 | self.assertEqual(None, it.FirstValue())
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| 26 |
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| 27 | mylist = value.List([value.Str('x'), value.Str('y')])
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| 28 |
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| 29 | it = val_ops.ListIterator(mylist)
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| 30 | self.assertEqual('x', it.FirstValue().s)
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| 31 | x = it.Next()
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| 32 |
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| 33 | self.assertEqual('y', it.FirstValue().s)
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| 34 | x = it.Next()
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| 35 |
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| 36 | self.assertEqual(None, it.FirstValue())
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| 37 |
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| 38 |
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| 39 | if __name__ == '__main__':
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| 40 | unittest.main()
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