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module ip_hdr_checksum_tb();
initial $dumpfile("ip_hdr_checksum_tb.vcd");
initial $dumpvars(0,ip_hdr_checksum_tb);
reg clk;
wire [159:0] in = {
16'h4500,
16'h0030,
16'h4422,
16'h4000,
16'h8006,
16'h0000,
16'h8c7c,
16'h19ac,
16'hae24,
16'h1e2b
};
wire [15:0] out;
ip_hdr_checksum ip_hdr_checksum
(.clk(clk),
.in(in),
.out(out));
initial
begin
clk <= 0;
#100 clk <= 1;
#100 clk <= 0;
#100 clk <= 1;
#100 $display("Computed 0x%x, should be 0x442e", out);
#100 $finish;
end
endmodule // ip_hdr_checksum_tb
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