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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, 2024 by Antmicro.
// SPDX-License-Identifier: CC0-1.0
class Foo;
rand int zero;
int two;
endclass
class Bar extends Foo;
rand int one;
static int three;
function void test;
logic[1:0] ok = '0;
zero = 100;
one = 200;
two = 300;
three = 400;
for (int i = 0; i < 20; i++) begin
void'(randomize(one));
if (zero != 100) $stop;
if (one != 200) ok[0] = 1;
if (two != 300) $stop;
if (three != 400) $stop;
end
if (!ok[0]) $stop;
ok = '0;
if (zero.rand_mode() != 1) $stop;
if (one.rand_mode() != 1) $stop;
zero = 500;
one = 600;
two = 700;
three = 800;
one.rand_mode(0);
for (int i = 0; i < 20; i++) begin
void'(randomize(one, two));
if (zero != 500) $stop;
if (one != 600) ok[0] = 1;
if (two != 700) ok[1] = 1;
if (three != 800) $stop;
end
if (one.rand_mode() != 0) $stop;
one.rand_mode(1);
if (ok != 'b11) $stop;
endfunction
endclass
class Baz;
int four;
Bar bar;
function new;
bar = new;
endfunction
endclass
class Qux;
Baz baz;
function new;
baz = new;
endfunction
endclass
class Boo extends Bar;
rand int five;
endclass
module t;
initial begin
Boo boo = new;
Bar bar = boo;
Qux qux = new;
logic[2:0] ok = '0;
bar.test;
bar.zero = 1000;
bar.one = 2000;
bar.two = 3000;
bar.three = 4000;
boo.five = 999999;
for (int i = 0; i < 20; i++) begin
int res = bar.randomize(two);
if (boo.five != 999999) $stop;
end
bar.zero = 1000;
bar.one = 2000;
bar.two = 3000;
bar.three = 4000;
boo.five = 999999;
for (int i = 0; i < 20; i++) begin
int res = bar.randomize(two) with { two > 3000 && two < 4000; };
if (bar.zero != 1000) $stop;
if (bar.one != 2000) $stop;
if (!(bar.two > 3000 && bar.two < 4000)) $stop;
if (bar.three != 4000) $stop;
if (boo.five != 999999) $stop;
end
qux.baz.bar.zero = 5000;
qux.baz.bar.one = 6000;
qux.baz.bar.two = 7000;
qux.baz.bar.three = 8000;
qux.baz.four = 9000;
for (int i = 0; i < 20; i++) begin
void'(qux.randomize(baz));
if (qux.baz.bar.zero != 5000) $stop;
if (qux.baz.bar.one != 6000) $stop;
if (qux.baz.bar.two != 7000) $stop;
if (qux.baz.bar.three != 8000) $stop;
if (qux.baz.four != 9000) $stop;
end
for (int i = 0; i < 20; i++) begin
void'(qux.randomize(baz.bar));
if (qux.baz.bar.zero != 5000) ok[0] = 1;
if (qux.baz.bar.one != 6000) ok[1] = 1;
if (qux.baz.bar.two != 7000) $stop;
if (qux.baz.bar.three != 8000) $stop;
if (qux.baz.four != 9000) $stop;
end
if (!ok[0]) $stop;
if (!ok[1]) $stop;
ok = '0;
qux.baz.bar.zero = 10000;
qux.baz.bar.one = 20000;
for (int i = 0; i < 20; i++) begin
void'(qux.randomize(baz.four));
if (qux.baz.bar.zero != 10000) $stop;
if (qux.baz.bar.one != 20000) $stop;
if (qux.baz.bar.two != 7000) $stop;
if (qux.baz.bar.three != 8000) $stop;
if (qux.baz.four != 9000) ok[0] = 1;
end
if (!ok[0]) $stop;
ok = '0;
qux.baz.four = 30000;
for (int i = 0; i < 20; i++) begin
void'(qux.randomize(baz.bar, qux.baz.bar.one, baz.four));
if (qux.baz.bar.zero != 10000) ok[0] = 1;
if (qux.baz.bar.one != 20000) ok[1] = 1;
if (qux.baz.bar.two != 7000) $stop;
if (qux.baz.bar.three != 8000) $stop;
if (qux.baz.four != 30000) ok[2] = 1;
end
if (ok != 'b111) $stop;
$write("*-* All Finished *-*\n");
$finish;
end
endmodule
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