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from __future__ import division
import unittest
import schedcat.sched.fp.rta as rta
import schedcat.sched.fp as fp
import schedcat.model.tasks as tasks
from schedcat.util.math import is_integral
class UniprocessorRTA(unittest.TestCase):
def setUp(self):
self.ts = tasks.TaskSystem([
tasks.SporadicTask(1, 4),
tasks.SporadicTask(1, 5),
tasks.SporadicTask(3, 9),
tasks.SporadicTask(3, 18),
])
def test_procs(self):
self.assertTrue(rta.is_schedulable(1, self.ts))
self.assertFalse(rta.is_schedulable(2, self.ts))
def test_bound_is_integral(self):
self.assertTrue(rta.is_schedulable(1, self.ts))
self.assertTrue(is_integral(self.ts[0].response_time))
self.assertTrue(is_integral(self.ts[1].response_time))
self.assertTrue(is_integral(self.ts[2].response_time))
def test_times(self):
self.assertTrue(rta.is_schedulable(1, self.ts))
self.assertEqual(self.ts[0].response_time, 1)
self.assertEqual(self.ts[1].response_time, 2)
self.assertEqual(self.ts[2].response_time, 7)
self.assertEqual(self.ts[3].response_time, 18)
# TODO: add tests with blocking and self-suspensions
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