// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2010 by Wilson Snyder.

module t (/*AUTOARG*/);

   sub sub ();

endmodule

module sub;

   wire pub /*verilator public*/;   // Ignore publics

   wire [5:0] assunu1 = 0;  // Assigned but unused

   wire [3:0] assunub2 = 0;  // Assigned but bit 2 unused

   wire [15:10] udrb2;  // [14:13,11] is undriven
   assign udrb2[15] = 0;
   assign udrb2[12] = 0;
   assign udrb2[10] = 0;

   wire       unu3;  // Totally unused

   wire [3:0] mixed;  // [3] unused & undr, [2] unused, [1] undr, [0] ok
   assign mixed[2] = 0;
   assign mixed[0] = 0;

   localparam THREE = 3;

   initial begin
      if (0 && assunu1[0] != 0 && udrb2 != 0) begin end
      if (0 && assunub2[THREE] && assunub2[1:0]!=0) begin end
      if (0 && mixed[1:0] != 0) begin end
   end
endmodule