verilator/test_regress/t/t_class_param_bad_paren.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2023 Antmicro Ltd
// SPDX-License-Identifier: CC0-1.0

class Cls #(
    int PARAM = 1
);
  parameter OTHER = 12;
endclass

class Other extends Cls #();  // Ok
endclass

class OtherMaybe extends Cls;  // Questionable but others do not warn
endclass

module t;

  typedef Cls#(2) Cls2_t;  // Ok
  typedef Cls ClsNone_t;  // Ok

  Cls c;  // Ok

  initial begin
    if (Cls#()::OTHER != 12) $stop;  // Ok
    if (Cls2_t::OTHER != 12) $stop;  // ok

    if (Cls::OTHER != 12) $stop;  // Bad #() required
  end

endmodule