verilator/test_regress/t/t_randomize_arraysel_member...

108 lines
2.7 KiB
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2025 by Antmicro.
// SPDX-License-Identifier: CC0-1.0
class inner_class;
logic [3:0] c;
logic [3:0] d[2];
endclass
class test_class;
logic [3:0] member[5];
logic [3:0] member_2d[3][4];
inner_class b;
endclass
module t;
initial begin
test_class example;
example = new;
example.b = new;
// Simple array element access
repeat(5) begin
if (std::randomize(example.member[1]) with {example.member[1] inside {[0 : 3]};} == 0) begin
$stop;
end
if (example.member[1] > 3) begin
$stop;
end
end
// Different array indices
repeat(5) begin
if (std::randomize(example.member[0]) with {example.member[0] inside {[5 : 7]};} == 0) begin
$stop;
end
if (example.member[0] < 5 || example.member[0] > 7) begin
$stop;
end
end
// Last element
repeat(5) begin
if (std::randomize(example.member[4]) with {example.member[4] inside {[10 : 15]};} == 0) begin
$stop;
end
if (example.member[4] < 10 || example.member[4] > 15) begin
$stop;
end
end
// 2D array access
repeat(5) begin
if (std::randomize(example.member_2d[1][2]) with {example.member_2d[1][2] inside {[8 : 12]};} == 0) begin
$stop;
end
if (example.member_2d[1][2] < 8 || example.member_2d[1][2] > 12) begin
$stop;
end
end
// 2D array different indices
repeat(5) begin
if (std::randomize(example.member_2d[0][0]) with {example.member_2d[0][0] inside {[1 : 4]};} == 0) begin
$stop;
end
if (example.member_2d[0][0] < 1 || example.member_2d[0][0] > 4) begin
$stop;
end
end
// Nested object: obj.b.c
repeat(5) begin
if (std::randomize(example.b.c) with {example.b.c inside {[5 : 9]};} == 0) begin
$stop;
end
if (example.b.c < 5 || example.b.c > 9) begin
$stop;
end
end
// Nested object with array: obj.b.d[0]
repeat(5) begin
if (std::randomize(example.b.d[0]) with {example.b.d[0] inside {[11 : 14]};} == 0) begin
$stop;
end
if (example.b.d[0] < 11 || example.b.d[0] > 14) begin
$stop;
end
end
// Nested object with array: obj.b.d[1] (different index)
repeat(5) begin
if (std::randomize(example.b.d[1]) with {example.b.d[1] inside {[2 : 6]};} == 0) begin
$stop;
end
if (example.b.d[1] < 2 || example.b.d[1] > 6) begin
$stop;
end
end
$write("*-* All Finished *-*\n");
$finish;
end
endmodule