`ifdef __ICARUS__ `define SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST `endif module test(); reg [4:1] value; reg failed; initial begin failed = 0; value = 4'b0000; `ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST value[5] = 1'b1; `endif $display("%b", value); if (value !== 4'b0000) failed = 1; `ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST value[5:5] = 1'b1; `endif $display("%b", value); if (value !== 4'b0000) failed = 1; `ifdef SUPPORT_CONST_OUT_OF_RANGE_IN_IVTEST value[5:4] = 2'b11; `else value[4] = 1'b1; `endif $display("%b", value); if (value !== 4'b1000) failed = 1; if (failed) $display("FAILED"); else $display("PASSED"); end endmodule