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_append_when_single_element_in_myarray(self):
# Arrange
myarray = MyArray('i', 100)
# Act
myarray.append(200)
# Assert
self.assertEqual(2, myarray.size())
self.assertEqual(100, myarray.get(0))
self.assertEqual(200, 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))