iverilog/ivtest/fpga_tests/bufifab_tb.v

32 lines
666 B
Verilog

module main;
reg [2:0] i;
wire out0, out1;
wire ref0, ref1;
bufifab dut(.Out0(out0), .Out1(out1), .I(i[0]), .E(i[1]));
bufif0 (ref0, i[0], i[1]);
bufif1 (ref1, i[0], i[1]);
initial begin
i = 0;
for (i = 0 ; i[2] == 0 ; i = i+1) begin
#1 $display("I=%b, E=%b, Out0=%b, Out1=%b", i[0], i[1], out0, out1);
if (out0 !== ref0) begin
$display("FAILED -- ref0=%b, out0=%b", ref0, out0);
$finish;
end
if (out1 !== ref1) begin
$display("FAILED -- ref1=%b, out1=%b", ref1, out1);
$finish;
end
end // for (i = 0 ; i[2] == 0 ; i = i+1)
$display("PASSED");
end
endmodule // main