def test_clear(self):
"Tests memory's clear method"
clk = Bus(1, 0)
rst = Bus(1, 0)
d_bus = Bus(8, 0)
q_bus = Bus(8, 0)
reg = Register(8, clk, rst, d_bus, q_bus, 1)
#write data
reg.modify({'state': 0xFF})
msg = reg.inspect()
self.assertEqual(msg['state'], 0xFF)
#clear data
msg = reg.clear()
self.assertTrue('success' in msg)
#validate clear
msg = reg.inspect()
self.assertEqual(msg['state'], 1)
def test_modify(self):
"Verifies internal hook modify function"
clk = Bus(1, 0)
rst = Bus(1, 0)
d_bus = Bus(8, 0)
q_bus = Bus(8, 0)
reg = Register(8, clk, rst, d_bus, q_bus, 1)
tm = None
rm = reg.modify(tm)
self.assertTrue('error' in rm)
tm = {}
rm = reg.modify(tm)
self.assertTrue('error' in rm)
tm = {'state': '0'}
rm = reg.modify(tm)
self.assertTrue('error' in rm)
tm = {'state': -1}
rm = reg.modify(tm)
self.assertTrue('error' in rm)
tm = {'state': 256}
rm = reg.modify(tm)
self.assertTrue('error' in rm)
tm = {'state': 128}
rm = reg.modify(tm)
self.assertTrue('success' in rm and rm['success'])
reg.run()
self.assertTrue(q_bus.read() == 128)