octal_escape_sequence: {
    input: {
        var boundaries = "\0\7\00\07\70\77\000\077\300\377";
        var border_check = "\400\700\0000\3000";
    }
    expect: {
        var boundaries = "\x00\x07\x00\x07\x38\x3f\x00\x3f\xc0\xff";
        var border_check = "\x20\x30\x38\x30\x00\x30\xc0\x30";
    }
}