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#!/usr/bin/python2.7
from __future__ import print_function
import cocotb
from cocotb.clock import Clock
from cocotb.triggers import Timer, RisingEdge
@cocotb.test(timeout=None)
def proto(dut):
CLK_PERIOD = 15
dut.arg_a <= 0
dut.arg_b <= 0
dut_clk = Clock(dut.clk, CLK_PERIOD, 'ns')
clk = cocotb.fork(dut_clk.start())
dut.reset <= 1
for i in range(2):
yield RisingEdge(dut.clk)
dut.reset <= 0
for i in range(2):
yield RisingEdge(dut.clk)
yield Timer(1)
dut.arg_a <= 8
dut.arg_b <= 6
for i in range(5):
yield RisingEdge(dut.clk)
print('Value in dut:', dut.sub_module.arg.value)
yield Timer(1)
dut.arg_a <= 8 + i
dut.arg_b <= 6 - i
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