def test_pop(self):
lht = LinkedHashTable()
k, v = 'some key', b'a thicc value'
k2, v2 = 'another key', b'a thiccer value'
k3, v3 = 'anotha one!', b'a thiccest value'
k4, v4 = 'yet another one', b'a thiccerest value'
lht.append(k, v)
lht.append(k2, v2)
lht.append(k3, v3)
lht.append(k4, v4)
item = lht.pop_back()
self.assertEquals(item[1], v4)
self.assertEquals(lht._last.value, v3)
self.assertEquals(lht._first.value, v)
self.assertEquals(len(lht), 3)
def test_pop_empty(self):
lht = LinkedHashTable()
self.assertEquals(None, lht.pop_back())