iverilog/ivtest/ivltests/sv_immediate_assert.v

module test();

integer i = 1;

initial begin
  assert(i == 1);
  assert(i == 0);
  assert(i == 1) else $display("Check 3 : this shouldn't be displayed");
  assert(i == 0) else $display("Check 4 : this should be displayed");
  assert(i == 1) $display("Check 5 : this should be displayed");
  assert(i == 0) $display("Check 6 : this shouldn't be displayed");
  assert(i == 1) $display("Check 7 : this should be displayed");
    else $display("Check 7 : this shouldn't be displayed");
  assert(i == 0) $display("Check 8 : this shouldn't be displayed");
    else $display("Check 8 : this should be displayed");

  a_i_is_non_0 : assert(i == 0)
    $display("Check 9 : this shouldn't be displayed");
    else $error("Check 9 : this should be displayed");

  a_i_is_1 : assert(i == 1)
    $display("Check 10 : this should be displayed");
    else $error("Check 10 : this shouldn't be displayed i: %0d", i);

end

endmodule