module test(); task accumulate1(input integer value, output integer result); static int acc = 1; acc = acc + value; result = acc; endtask task automatic 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