def test_insert_when_single_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 20)
# Act
myarray.insert(0, 100)
# Assert
self.assertEqual(2, myarray.size())
self.assertEqual(100, myarray.get(0))
self.assertEqual(20, myarray.get(1))
def test_append_when_more_than_one_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 100, 200)
# Act
myarray.append(300)
# Assert
self.assertEqual(3, myarray.size())
self.assertEqual(100, myarray.get(0))
self.assertEqual(200, myarray.get(1))
self.assertEqual(300, myarray.get(2))
def test_set_when_more_than_one_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 100, 200)
# Act
myarray.set(1, 300)
# Assert
self.assertEqual(300, myarray.get(1))
def test_set_when_single_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 100)
# Act
myarray.set(0, 200)
# Assert
self.assertEqual(200, myarray.get(0))
def test_get_when_single_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 100)
# Act
element = myarray.get(0)
# Assert
self.assertEqual(100, element)
def test_append_when_empty_myarray(self):
# Arrange
myarray = MyArray('i')
# Act
myarray.append(100)
# Assert
self.assertEqual(1, myarray.size())
self.assertEqual(100, myarray.get(0))
def test_insert_when_more_than_one_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 1, 2, 3, 4, 5)
# Act
myarray.insert(2, 99)
# Assert
self.assertEqual(6, myarray.size()) # (expected, actual)
self.assertEqual(99, myarray.get(2))
def test_insert_when_single_item_myarray(self):
# Arrange
myarray = MyArray('i', 1)
# Act
myarray.insert(0, 99)
# Assert
self.assertEqual(2, myarray.size()) # (expected, actual)
self.assertEqual(99, myarray.get(0))
def test_insert_when_empty_myarray(self):
# Arrange
myarray = MyArray('i')
# Act
myarray.insert(0, 99)
# Assert
self.assertEqual(1, myarray.size())
self.assertEqual(99, myarray.get(0))
def test_pop_when_more_than_one_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 20, 30)
# Act
myarray.pop(0)
# Assert
self.assertEqual(1, myarray.size())
self.assertEqual(30, myarray.get(0))
def test_get_when_more_than_one_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 100, 200)
# Act
element_1 = myarray.get(0)
element_2 = myarray.get(1)
# Assert
self.assertEqual(100, element_1)
self.assertEqual(200, element_2)
def test_pop_when_more_than_two_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 20, 30, 40)
# Act
myarray.pop(1)
# Assert
self.assertEqual(2, myarray.size())
self.assertEqual(20, myarray.get(0))
self.assertEqual(40, myarray.get(1))