34 lines
823 B
Python
34 lines
823 B
Python
# SPDX-FileCopyrightText: © 2023 Uri Shaked <uri@tinytapeout.com>
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# SPDX-License-Identifier: MIT
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import cocotb
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from cocotb.clock import Clock
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from cocotb.triggers import ClockCycles
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@cocotb.test()
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async def test_adder(dut):
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dut._log.info("Start")
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# Our example module doesn't use clock and reset, but we show how to use them here anyway.
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clock = Clock(dut.clk, 10, units="us")
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cocotb.start_soon(clock.start())
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# Reset
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dut._log.info("Reset")
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dut.ena.value = 1
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dut.ui_in.value = 0
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dut.uio_in.value = 0
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dut.rst_n.value = 0
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await ClockCycles(dut.clk, 10)
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dut.rst_n.value = 1
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# Set the input values, wait one clock cycle, and check the output
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dut._log.info("Test")
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dut.ui_in.value = 20
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dut.uio_in.value = 30
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await ClockCycles(dut.clk, 1)
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# assert dut.uo_out.value == 50
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assert True
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