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Update hash map (#104)

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Update constraints, test cases, algorithm, code, and tests.
This commit is contained in:
Donne Martin
2016-10-16 21:28:31 -04:00
committed by GitHub
parent 0f49f67a72
commit 400dc8b55a
3 changed files with 42 additions and 32 deletions
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8
arrays_strings/hash_map/test_hash_map.py
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@@ -1,4 +1,4 @@
from nose.tools import assert_equal
from nose.tools import assert_equal, assert_raises
class TestHashMap(object):
@@ -9,7 +9,7 @@ class TestHashMap(object):
hash_table = HashTable(10)
print("Test: get on an empty hash table index")
assert_equal(hash_table.get(0), None)
assert_raises(KeyError, hash_table.get, 0)
print("Test: set on an empty hash table index")
hash_table.set(0, 'foo')
@@ -30,10 +30,10 @@ class TestHashMap(object):
print("Test: remove on a key that already exists")
hash_table.remove(10)
assert_equal(hash_table.get(0), 'foo')
assert_equal(hash_table.get(10), None)
assert_raises(KeyError, hash_table.get, 10)
print("Test: remove on a key that doesn't exist")
hash_table.remove(-1)
assert_raises(KeyError, hash_table.remove, -1)
print('Success: test_end_to_end')