verilator/test_regress/t/t_stream_unpack.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2023 by Antmicro Ltd.
// SPDX-License-Identifier: CC0-1.0

`define stop $stop
`define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d:  got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
`define checkp(gotv,expv_s) do begin string gotv_s; gotv_s = $sformatf("%p", gotv); if ((gotv_s) !== (expv_s)) begin $write("%%Error: %s:%0d:  got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv_s), (expv_s)); `stop; end end while(0);

typedef enum bit [5:0] {
   A = 6'b111000,
   B = 6,b111111
} enum_t;

module t (/*AUTOARG*/);
   initial begin
      bit arr[6];
      bit [1:0] arr2[3];
      bit [5:0] arr6[1];
      bit [5:0] bit6 = 6'b111000;
      bit [5:0] ans;
      enum_t ans_enum;
      logic [1:0] a [3] = {1, 0, 3};
      logic [1:0] b [3] = {1, 2, 0};
      logic c [4] = {1, 1, 0, 0};
      logic [15:0] d;
      logic [3:0] e [2];
      logic f [8];

      { >> bit {arr}} = bit6;
      `checkp(arr, "'{'h1, 'h1, 'h1, 'h0, 'h0, 'h0} ");

      ans = { >> bit {arr} };
      `checkh(ans, bit6);

      ans_enum = enum_t'({ >> bit {arr} });
      `checkh(ans_enum, bit6);

      { << bit {arr}} = bit6;
      `checkp(arr, "'{'h0, 'h0, 'h0, 'h1, 'h1, 'h1} ");

      ans = { << bit {arr} };
      `checkh(ans, bit6);

      ans_enum = enum_t'({ << bit {arr} });
      `checkh(ans_enum, bit6);

      { >> bit[1:0] {arr2}} = bit6;
      `checkp(arr2, "'{'h3, 'h2, 'h0} ");

      ans = { >> bit[1:0] {arr2} };
      `checkh(ans, bit6);

      ans_enum = enum_t'({ >> bit[1:0] {arr2} });
      `checkh(ans_enum, bit6);

      { << bit[1:0] {arr2}} = bit6;
      `checkp(arr2, "'{'h0, 'h2, 'h3} ");

      ans = { << bit[1:0] {arr2} };
      `checkh(ans, bit6);

      ans_enum = enum_t'({ << bit[1:0] {arr2} });
      `checkh(ans_enum, bit6);

      { >> bit [5:0] {arr6} } = bit6;
      `checkp(arr6, "'{'h38} ");

      ans = { >> bit[5:0] {arr6} };
      `checkh(ans, bit6);

      ans_enum = enum_t'({ >> bit[5:0] {arr6} });
      `checkh(ans_enum, bit6);

      { << bit [5:0] {arr6} } = bit6;
      `checkp(arr6, "'{'h38} ");

      ans = { << bit[5:0] {arr6} };
      `checkh(ans, bit6);

      ans_enum = enum_t'({ << bit[5:0] {arr6} });
      `checkh(ans_enum, bit6);

      d = { >> {a, b, c}};
      `checkh(d, 16'b0100110110001100);

      { >> {e, f}} = d;
      `checkp(e, "'{'h4, 'hd} ");
      `checkp(f, "'{'h1, 'h0, 'h0, 'h0, 'h1, 'h1, 'h0, 'h0} ");

      d = { << 4 {a, b, c}};
      `checkh(d, 16'b1100100011010100);

      { << 2 {e, f}} = d;
      `checkp(e, "'{'h1, 'h7} ");
      `checkp(f, "'{'h0, 'h0, 'h1, 'h0, 'h0, 'h0, 'h1, 'h1} ");

      $write("*-* All Finished *-*\n");
      $finish;
   end
endmodule