def test_multiple_externals(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(return_two)(dut)
dut._log.info("First one completed")
assert value == 2
value = yield external(return_two)(dut)
dut._log.info("Second one completed")
assert value == 2
def test_ext_call_return(dut):
"""Test ability to yeild on an external non cocotb coroutine decorated
function"""
mon = cocotb.scheduler.queue(clock_monitor(dut))
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function)(dut)
dut._log.info("Value was %d" % value)
def test_ext_call_return(dut):
"""Test ability to yeild on an external non cocotb coroutine decorated
function"""
mon = cocotb.scheduler.queue(clock_monitor(dut))
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function)(dut)
dut._log.info("Value was %d" % value)
def test_external_from_readonly(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield ReadOnly()
dut._log.info("In readonly")
value = yield external(return_two)(dut)
assert value == 2
def test_ext_call_return(dut):
"""Test ability to yield on an external non cocotb coroutine decorated
function"""
mon = cocotb.scheduler.queue(clock_monitor(dut))
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(return_two)(dut)
assert value == 2
def test_external_and_continue(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function_access)(dut)
yield Timer(10, "ns")
yield RisingEdge(dut.clk)
def test_external_and_continue(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function_access)(dut)
yield Timer(10, "ns")
yield RisingEdge(dut.clk)
def test_external_and_continue(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(calls_cocotb_function)(dut)
assert value == 2
yield Timer(10, "ns")
yield RisingEdge(dut.clk)
def test_time_in_external_yield(dut):
"""Test that an external function calling back into a cocotb function
takes the expected amount of time"""
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield Timer(10, 'ns')
for n in range(5):
for i in range(20):
yield RisingEdge(dut.clk)
time = get_sim_time()
expected_after = time + 100 * n
yield external(wait_cycles_wrapper)(dut, n)
time_after = get_sim_time()
if expected_after != time_after:
raise TestFailure("Wrong time elapsed in external call")
def test_time_in_external(dut):
"""Test that the simulation time does no advance if the wrapped external
routine does not its self yield"""
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield Timer(10, 'ns')
time = get_sim_time('ns')
dut._log.info("Time at start of test = %d" % time)
for i in range(1000):
dut._log.info("Loop call %d" % i)
yield external(test_print_sim_time)(dut, time)
time_now = get_sim_time('ns')
yield Timer(10, 'ns')
if time != time_now:
raise TestFailure("Time has elapsed over external call")
def test_time_in_external(dut):
"""Test that the simulation time does not advance if the wrapped external
routine does not itself yield"""
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield Timer(10, 'ns')
time = get_sim_time('ns')
dut._log.info("Time at start of test = %d" % time)
for i in range(100):
dut._log.info("Loop call %d" % i)
yield external(test_print_sim_time)(dut, time)
time_now = get_sim_time('ns')
yield Timer(10, 'ns')
if time != time_now:
raise TestFailure("Time has elapsed over external call")
def test_external_that_yields(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function_access)(dut)
def ztest_ext_exit_error(dut):
"""Test that a premature exit of the sim at it's request still results in
the clean close down of the sim world"""
yield external(test_ext_function)(dut)
yield Timer(1000)
def test_multiple_externals(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function)(dut)
dut._log.info("First one completed")
value = yield external(test_ext_function)(dut)
dut._log.info("Second one completed")
def test_external_from_readonly(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield ReadOnly()
dut._log.info("In readonly")
value = yield external(test_ext_function_access)(dut)
def test_external_that_yields(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(calls_cocotb_function)(dut)
assert value == 2
def run_external(dut):
value = yield external(calls_cocotb_function)(dut)
raise ReturnValue(value)
def test_external_from_readonly(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield ReadOnly()
dut._log.info("In readonly")
value = yield external(test_ext_function_access)(dut)
def test_ext_exit_error(dut):
"""Test that a premature exit of the sim at its request still results in
the clean close down of the sim world"""
yield external(return_two)(dut)
yield Timer(1000)
def test_ext_call_nreturn(dut):
"""Test ability to yield on an external non cocotb coroutine decorated
function"""
mon = cocotb.scheduler.queue(clock_monitor(dut))
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
yield external(test_ext_function)(dut)
def run_external(dut):
value = yield external(test_ext_function_access)(dut)
raise ReturnValue(value)
def test_external_that_yields(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function_access)(dut)
def test_multiple_externals(dut):
clk_gen = cocotb.fork(Clock(dut.clk, 100).start())
value = yield external(test_ext_function)(dut)
dut._log.info("First one completed")
value = yield external(test_ext_function)(dut)
dut._log.info("Second one completed")
def run_external(dut):
value = yield external(test_ext_function_access)(dut)
raise ReturnValue(value)
def ztest_ext_exit_error(dut):
"""Test that a premature exit of the sim at it's request still results in
the clean close down of the sim world"""
yield external(test_ext_function)(dut)
yield Timer(1000)
def run_external(dut):
value = yield external(calls_cocotb_function)(dut)
return value