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// 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);
class MyInt;
int x;
function new(int a);
x = a;
endfunction
endclass
function int get_val_set_5(ref int x);
automatic int y = x;
x = 5;
return y;
endfunction
module t (/*AUTOARG*/);
int b;
int arr[1];
MyInt mi;
task update_inout(inout int flag, input bit upflag);
flag = upflag ? 1 + flag : flag;
endtask
task update_ref(ref int flag, input bit upflag);
flag = upflag ? 1 + flag : flag;
endtask
int my_flag;
initial begin
mi = new(1);
b = get_val_set_5(mi.x);
`checkh(mi.x, 5);
`checkh(b, 1);
arr[0] = 10;
b = get_val_set_5(arr[0]);
`checkh(arr[0], 5);
`checkh(b, 10);
update_ref(my_flag, 1);
if (my_flag !== 1) $stop;
update_ref(my_flag, 0);
if (my_flag !== 1) $stop;
update_inout(my_flag, 1);
if (my_flag !== 2) $stop;
update_inout(my_flag, 0);
if (my_flag !== 2) $stop;
$write("*-* All Finished *-*\n");
$finish;
end
endmodule
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