class PagingTest(unittest.TestCase):
# Arrange
def setUp(self):
self.memory = Memory(50)
self.hdd = HDD(10)
self.paging_policy = Paging(self.memory, 10, self.hdd)
self.pcb1 = PCB(0, 25, PageHolder(None))
self.pcb2 = PCB(1, 16, PageHolder(None))
def test_WhenIWant10PagesInAMemoryOf50Cells_ThenICanMakeThem(self):
self.assertEqual(self.paging_policy.get_amount_of_frames(), 5)
def test_WhenIAssignOnePCB_ThenFirstFrameIsUsed(self):
self.paging_policy.assign_to_memory(self.pcb1)
self.assertEquals(self.paging_policy.get_amount_of_free_frames(), 4)
def test_WhenIAssignASecondPCB_ThenSecondFrameIsUsed(self):
self.paging_policy.assign_to_memory(self.pcb1)
self.paging_policy.assign_to_memory(self.pcb2)
self.assertEquals(self.paging_policy.get_amount_of_free_frames(), 3)
def setUp(self):
self.memory = Memory(50)
self.hdd = HDD(10)
self.paging_policy = Paging(self.memory, 10, self.hdd)
self.pcb1 = PCB(0, 25, PageHolder(None))
self.pcb2 = PCB(1, 16, PageHolder(None))