module test; function integer count(input integer value); integer i; begin i = 0; for ( ; i < value; i = i + 1) begin end count = i; end endfunction localparam integer c = count(10); integer v; initial begin v = count(20); $display(c,,v); if (c === 10 && v === 20) $display("PASSED"); else $display("FAILED"); end endmodule