def test(store):
	import os

	from One import One
	from Two import Two

	# Note: Two inherits One

	# Simple creation and insertion
	one = One()
	one.setA('a')
	one.setB('b')
	store.addObject(one)

	two = Two()
	two.setA('1')
	two.setB('2')
	two.setC('3')
	two.setD('4')
	two.setE('a')
	store.addObject(two)

	store.saveChanges()
	store.clear()

	# Fetching
	objs = store.fetchObjectsOfClass(One)
	assert len(objs) == 2
	obj = objs[0]
	assert obj.a() == 'a'
	assert obj.b() == 'b'

	objs = store.fetchObjectsOfClass(One, isDeep=0)
	assert len(objs) == 1

	objs = store.fetchObjectsOfClass(One, clauses="where a='1'")
	assert len(objs) == 1
	assert objs[0].c() == '3'

	objs = store.fetchObjectsOfClass(One, clauses="where a='2'")
	assert len(objs) == 0

	objs = store.fetchObjectsOfClass(Two)
	assert len(objs) == 1
	obj = objs[0]
	assert obj.a() == '1'
	assert obj.b() == '2'
	assert obj.c() == '3'
	assert obj.d() == '4'

	# Using fetchObject to fetch individual objects of both base class and subclass
	objs = store.fetchObjectsOfClass(One)
	assert len(objs) == 2
	for obj in objs:
		fetchedObj = store.fetchObject(obj.__class__, obj.serialNum())
		assert fetchedObj.__class__ == obj.__class__
		assert fetchedObj.a() == obj.a()

	# Using fetchObjectsOfClass when there are several objects of the base class and subclass
	for i in range(19): # To make a total of 20 One's
		one = One()
		one.setA('a' + str(i))
		one.setB('b' + str(i))
		store.addObject(one)
	for i in range(14): # To make a total of 15 Two's
		two = Two()
		two.setA('a' + str(i))
		two.setB('b' + str(i))
		two.setC('c' + str(i))
		two.setD('d' + str(i))
		store.addObject(two)
	store.saveChanges()
	objs = store.fetchObjectsOfClass(One)
	assert len(objs) == 35
	objs = store.fetchObjectsOfClass(One, isDeep=0)
	assert len(objs) == 20
	objs = store.fetchObjectsOfClass(Two)
	assert len(objs) == 15
	objs = store.fetchObjectsOfClass(Two, isDeep=0)
	assert len(objs) == 15