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if __name__ == '__main__': from __init__ import init; init()
from ranger.container import History
from unittest import TestCase, main
import unittest
class Test(TestCase):
def test_history(self):
hist = History(3)
for i in range(6):
hist.add(i)
self.assertEqual([3,4,5], list(hist))
hist.back()
self.assertEqual(4, hist.top())
self.assertEqual([3,4], list(hist))
hist.back()
self.assertEqual(3, hist.top())
self.assertEqual([3], list(hist))
# no change if top == bottom
self.assertEqual(hist.top(), hist.bottom())
last_top = hist.top()
hist.back()
self.assertEqual(hist.top(), last_top)
hist.forward()
hist.forward()
self.assertEqual(5, hist.top())
self.assertEqual([3,4,5], list(hist))
self.assertEqual(3, hist.bottom())
hist.add(6)
self.assertEqual(4, hist.bottom())
self.assertEqual([4,5,6], list(hist))
if __name__ == '__main__': main()
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