def test_collide(self):
s = my_hash_set()
s[0] = "zero"
s[10] = "ten"
self.assertEquals(len(s), 2)
self.assertTrue(0 in s)
self.assertTrue(10 in s)
self.assertFalse(20 in s)
def test_remove(self):
s = my_hash_set()
s["one"] = 1
del s["one"]
try:
del s["two"]
self.assertTrue(False)
except KeyError:
pass
self.assertEquals(len(s), 0)
def test_rehash(self):
s = my_hash_set()
s[0] = "zero"
s[10] = "ten"
s[1] = "one"
s[2] = "two"
s[3] = "three"
s[4] = "four"
s[5] = "five"
s[6] = "six"
s[7] = "seven"
s[8] = "eight"
s[9] = "nine"
s[11] = "eleven"
self.assertEquals(len(s), 12)
expected = \
'''[[0, 'zero'], [1, 'one'], [2, 'two'], [3, 'three'], \
[4, 'four'], [5, 'five'], [6, 'six'], [7, 'seven'], \
[8, 'eight'], [9, 'nine'], [10, 'ten'], [11, 'eleven']]'''
self.assertEquals(str(s), expected)
t = my_hash_set(s)
self.assertEquals(str(t), expected)
def test_set_dup(self):
s = my_hash_set()
s[1] = "a"
s[1] = "b"
self.assertEquals(s[1],"b")
def test_False_key(self):
s = my_hash_set()
s[False] = 1
self.assertTrue(False in s)
self.assertEquals(s[False], 1)
def test_none_key(self):
s = my_hash_set()
s[None] = 1
self.assertTrue(None in s)
self.assertEquals(s[None], 1)
def test_store_none(self):
s = my_hash_set()
s[1] = None
self.assertTrue(1 in s)
self.assertEquals(s[1], None)
def test_store_false(self):
s = my_hash_set()
s[1] = False
self.assertTrue(1 in s)
self.assertFalse(s[1])
def test_add_one(self):
s = my_hash_set()
s[1] = "one"
self.assertEquals(len(s), 1)
self.assertEquals(s[1], "one")
def test_empty(self):
self.assertEqual(len(my_hash_set()), 0)
def test_one_in(self):
s = my_hash_set()
s["one"] = 1
self.assertTrue("one" in s)
self.assertFalse("two" in s)
self.assertRaises(KeyError, lambda: s[0])
def test_add_twice(self):
s = my_hash_set()
s[1] = "one"
s[1] = "one"
self.assertEquals(len(s), 1)
def test_add_two(self):
s = my_hash_set()
s[1] = "one"
s[2] = "two"
self.assertEquals(len(s), 2)
