def test_indexOf(self):
arr = dynamic_array.Array()
arr.add('a')
arr.add('b')
# Index of non present item
self.assertEqual(arr.indexOf('c'), -1)
# Index of present item
self.assertEqual(arr.indexOf('a'), 0)
def test_remove(self):
arr = dynamic_array.Array()
arr.add('a')
arr.add('b')
# Remove a non present item
self.assertEqual(arr.remove('c'), False)
# Remove a present item
self.assertEqual(arr.remove('a'), True)
def test_toString(self):
arr = dynamic_array.Array()
self.assertEqual(arr.toString(), '[]')
arr.add('a')
arr.add('b')
arr.add('c')
arr.add('d')
self.assertEqual(arr.toString(), '[a,b,c,d]')
def test_set(self):
arr = dynamic_array.Array()
arr.add('a')
# Test out of bound
with self.assertRaises(Exception):
arr.set(1, 'b')
arr.set(0, 'b')
self.assertEqual(arr.get(0), 'b')
def test_clear(self):
arr = dynamic_array.Array()
# Test on empty array
arr.clear()
self.assertEqual(arr.size(), 0)
arr.add('a')
arr.add('b')
arr.add('c')
# Test on filled array
arr.clear()
self.assertEqual(arr.size(), 0)
def test_removeAt(self):
arr = dynamic_array.Array()
# Test out of bound
with self.assertRaises(Exception):
arr.removeAt(0)
arr.add('a')
arr.add('b')
arr.add('c')
self.assertEqual(arr.removeAt(1), 'b')
self.assertEqual(arr.get(1), 'c')
self.assertEqual(arr.size(), 2)
def test_get(self):
arr = dynamic_array.Array()
# Test lower bound
with self.assertRaises(Exception):
arr.get(0)
# Test correct index value
arr.add('a')
arr.add('b')
self.assertEqual(arr.get(0), 'a')
# Test upper bound
with self.assertRaises(Exception):
arr.get(2)
def test_isEmpty(self):
# New Array
arr = dynamic_array.Array()
self.assertEqual(arr.isEmpty(), True)
# After add operations
arr.add('a')
arr.add('b')
arr.add('c')
self.assertEqual(arr.isEmpty(), False)
# After remove operations
arr.remove('a')
self.assertEqual(arr.isEmpty(), False)
# After clear operation
arr.clear()
self.assertEqual(arr.isEmpty(), True)
def test_size(self):
# Empty Array
arr = dynamic_array.Array()
self.assertEqual(arr.size(), 0)
# Size after Add operations
arr.add('a')
arr.add('b')
self.assertEqual(arr.size(), 2)
# Size after remove operations
arr.remove('b')
self.assertEqual(arr.size(), 1)
# Size after clear operations
arr.clear()
self.assertEqual(arr.size(), 0)
def test_add(self):
arr = dynamic_array.Array()
self.assertEqual(arr.size(), 0)
arr.add('a')
self.assertEqual(arr.get(0), 'a')
self.assertEqual(arr.size(), 1)
def test_contains(self):
arr = dynamic_array.Array()
arr.add('a')
arr.add('b')
self.assertEqual(arr.contains('c'), False)
self.assertEqual(arr.contains('b'), True)