// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2022 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 // Code your testbench here // or browse Examples class Base #(parameter PBASE = 12); bit [PBASE-1:0] member; function bit [PBASE-1:0] get_member; return member; endfunction function int get_p; return PBASE; endfunction endclass class Cls #(parameter P = 13) extends Base #(P); endclass typedef Cls#(8) Cls8_t; class Getter1; function int get_int; return 1; endfunction endclass class Getter2; function int get_int; return 2; endfunction endclass class Foo #(type T=Getter1); T foo_field; int x; function new(int y); foo_field = new; x = y; endfunction endclass class Bar #(type S=Getter2) extends Foo#(S); T field; function new(int y); super.new(y); field = new; endfunction function int get_field_int; return field.get_int(); endfunction function int get_foo_field_int; return foo_field.get_int(); endfunction endclass // See also t_class_param_mod.v module t (/*AUTOARG*/); Cls #(.P(4)) c4; Cls8_t c8; Bar b; initial begin c4 = new; c8 = new; b = new(1); if (c4.PBASE != 4) $stop; if (c8.PBASE != 8) $stop; if (c4.get_p() != 4) $stop; if (c8.get_p() != 8) $stop; // verilator lint_off WIDTH c4.member = 32'haaaaaaaa; c8.member = 32'haaaaaaaa; // verilator lint_on WIDTH if (c4.member != 4'ha) $stop; if (c4.get_member() != 4'ha) $stop; if (c8.member != 8'haa) $stop; if (c8.get_member() != 8'haa) $stop; $display("c4 = %s", $sformatf("%p", c4)); if ($sformatf("%p", c4) != "'{member:'ha}") $stop; if (b.x != 1) $stop; if (b.get_field_int() != 2) $stop; if (b.get_foo_field_int() != 2) $stop; $write("*-* All Finished *-*\n"); $finish; end endmodule