mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-09-03 08:25:32 +02:00
By adding ivtest to the iverilog source tree, it is easier to keep the regression test synchronized with the source that is being tested. This should be especially helpful for PRs that add a new feature, and have a matching ivtest PR with the regression test for that feature.
43 lines
745 B
Verilog
43 lines
745 B
Verilog
module automatic test();
|
|
|
|
task static accumulate1(input integer value, output integer result);
|
|
static int acc = 1;
|
|
acc = acc + value;
|
|
result = acc;
|
|
endtask
|
|
|
|
task accumulate2(input integer value, output integer result);
|
|
int acc = 1;
|
|
acc = acc + value;
|
|
result = acc;
|
|
endtask
|
|
|
|
integer value;
|
|
|
|
reg failed = 0;
|
|
|
|
initial begin
|
|
accumulate1(2, value);
|
|
$display("%d", value);
|
|
if (value !== 3) failed = 1;
|
|
|
|
accumulate1(3, value);
|
|
$display("%d", value);
|
|
if (value !== 6) failed = 1;
|
|
|
|
accumulate2(2, value);
|
|
$display("%d", value);
|
|
if (value !== 3) failed = 1;
|
|
|
|
accumulate2(3, value);
|
|
$display("%d", value);
|
|
if (value !== 4) failed = 1;
|
|
|
|
if (failed)
|
|
$display("FAILED");
|
|
else
|
|
$display("PASSED");
|
|
end
|
|
|
|
endmodule
|