Mailbox-test.cpp

   1 #include "Mailbox.hpp"
   2
   3 #include <iostream>
   4
   5 #include <glog/logging.h>
   6
   7 int main(int argc, char* argv[])
   8 {
   9   Mailbox postmaster("postmaster@[127.0.0.1]");
  10
  11   Mailbox mb;
  12   CHECK(mb.empty());
  13
  14   Mailbox dg0{"gene@digilicious.com"};
  15   Mailbox dg1{"gene", "digilicious.com"};
  16
  17   CHECK_EQ(dg0, dg1);
  18
  19   CHECK_EQ(std::string("digilicious.com"), dg0.domain().ascii());
  20
  21   auto dgstr = static_cast<std::string>(dg0);
  22
  23   CHECK_EQ(dgstr, "gene@digilicious.com");
  24
  25   dg0.clear();
  26   CHECK(dg0.empty());
  27
  28   auto threw = false;
  29   try {
  30     Mailbox bad("should throw@example.com");
  31   }
  32   catch (std::exception& e) {
  33     threw = true;
  34   }
  35   CHECK(threw);
  36
  37   CHECK(Mailbox::validate("simple@example.com"));
  38   CHECK(Mailbox::validate("very.common@example.com"));
  39   CHECK(Mailbox::validate("disposable.style.email.with+symbol@example.com"));
  40   CHECK(Mailbox::validate("other.email-with-hyphen@example.com"));
  41   CHECK(Mailbox::validate("fully-qualified-domain@example.com"));
  42
  43   // (may go to user.name@example.com inbox depending on mail server)
  44   CHECK(Mailbox::validate("user.name+tag+sorting@example.com"));
  45
  46   CHECK(Mailbox::validate("x@example.com"));
  47   CHECK(Mailbox::validate("example-indeed@strange-example.com"));
  48
  49   // (local domain name with no TLD, although ICANN highly discourages
  50   // dotless email addresses)
  51   CHECK(Mailbox::validate("admin@mailserver1"));
  52
  53   // (see the List of Internet top-level domains)
  54   CHECK(Mailbox::validate("example@s.example"));
  55
  56   // (space between the quotes)
  57   CHECK(Mailbox::validate("\" \"@example.org"));
  58
  59   // (quoted double dot)
  60   CHECK(Mailbox::validate("\"john..doe\"@example.org"));
  61
  62   // (bangified host route used for uucp mailers)
  63   CHECK(Mailbox::validate("mailhost!username@example.org"));
  64
  65   // (% escaped mail route to user@example.com via example.org)
  66   CHECK(Mailbox::validate("user%example.com@example.org"));
  67
  68   // Invalid email addresses
  69
  70   CHECK(!Mailbox::validate("Abc.example.com")); // (no @ character)
  71
  72   CHECK(!Mailbox::validate("A@b@c@example.com")); // (only one @ is allowed)
  73
  74   // (none of the special characters in this local-part are allowed
  75   // outside quotation marks)
  76   CHECK(!Mailbox::validate("a\"b(c)d,e:f;g<h>i[j\\k]l@example.com"));
  77
  78   // (quoted strings must be dot separated or the only element making
  79   // up the local-part)
  80   CHECK(!Mailbox::validate("just\"not\"right@example.com"));
  81
  82   // (spaces, quotes, and backslashes may only exist when within
  83   // quoted strings and preceded by a backslash)
  84   CHECK(!Mailbox::validate("this is\"not\\allowed@example.com"));
  85
  86   // (even if escaped (preceded by a backslash), spaces, quotes, and
  87   // backslashes must still be contained by quotes)
  88   CHECK(!Mailbox::validate("this\\ still\\\"not\\\\allowed@example.com"));
  89
  90   // (local part is longer than 64 characters)
  91   CHECK(!Mailbox::validate_strict_lengths(
  92       "1234567890123456789012345678901234567890123456789012345"
  93       "678901234+x@example.com"));
  94
  95   CHECK(Mailbox::validate("gene@digilicious.com"));
  96   CHECK(Mailbox::validate("gene@[127.0.0.1]"));
  97   CHECK(!Mailbox::validate("gene@[127.999.0.1]"));
  98   CHECK(!Mailbox::validate("allen@bad_d0main.com"));
  99
 100   {
 101     auto const res = Mailbox::parse("gene@[127.0.0.1]");
 102     CHECK(res && res->local_type == Mailbox::local_types::dot_string);
 103     CHECK(res && res->domain_type == Mailbox::domain_types::address_literal);
 104   }
 105   {
 106     auto const res = Mailbox::parse("\"some string\"@example.com");
 107     CHECK(res && res->local_type == Mailbox::local_types::quoted_string);
 108     CHECK(res && res->domain_type == Mailbox::domain_types::domain);
 109   }
 110
 111   CHECK(!Mailbox::validate("2962"));
 112   CHECK(Mailbox::validate("실례@실례.테스트"));
 113
 114   // <https://docs.microsoft.com/en-us/archive/blogs/testing123/email-address-test-cases>
 115
 116   // Valid email addresses:
 117   CHECK(Mailbox::validate("email@domain.com"));
 118
 119   // Email contains dot in the local part, a dot-atom-string.
 120   CHECK(Mailbox::validate("firstname.lastname@domain.com"));
 121
 122   // Multiple lables in domain.
 123   CHECK(Mailbox::validate("email@subdomain.domain.com"));
 124
 125   // Plus sign is a valid character.
 126   CHECK(Mailbox::validate("firstname+lastname@domain.com"));
 127
 128   // Domain is valid IP address, but this is matched as a domain.
 129   CHECK(Mailbox::validate("email@123.123.123.123"));
 130
 131   // Square bracket around IP address is a "address literal."
 132   CHECK(Mailbox::validate("email@[123.123.123.123]"));
 133
 134   // Quotes around local part is valid.
 135   CHECK(Mailbox::validate("\"email\"@domain.com"));
 136
 137   // Digits in address are valid.
 138   CHECK(Mailbox::validate("1234567890@domain.com"));
 139
 140   // Dash in domain name is valid.
 141   CHECK(Mailbox::validate("email@domain-one.com"));
 142
 143   // Underscore in the address field is valid.
 144   CHECK(Mailbox::validate("_______@domain.com"));
 145
 146   CHECK(Mailbox::validate("email@domain.name"));
 147   CHECK(Mailbox::validate("email@domain.co.jp"));
 148
 149   // Dash in local part is valid.
 150   CHECK(Mailbox::validate("firstname-lastname@domain.com"));
 151
 152   CHECK(!Mailbox::validate("plainaddress"));     // Missing @ sign and domain
 153   CHECK(!Mailbox::validate("#@%^%#$@#$@#.com")); // Garbage
 154   CHECK(!Mailbox::validate("@domain.com"));      // Missing username
 155
 156   CHECK(!Mailbox::validate("Joe Smith <email@domain.com>"));
 157
 158   CHECK(!Mailbox::validate("email.domain.com"));        // Missing @
 159   CHECK(!Mailbox::validate("email@domain@domain.com")); // Two @ sign
 160
 161   // Leading dot in address is not allowed
 162   CHECK(!Mailbox::validate(".email@domain.com"));
 163
 164   // Trailing dot in address is not allowed
 165   CHECK(!Mailbox::validate("email.@domain.com"));
 166
 167   // Multiple dots
 168   CHECK(!Mailbox::validate("email..email@domain.com"));
 169
 170   // OK! Unicode char as address
 171   CHECK(Mailbox::validate("あいうえお@domain.com"));
 172
 173   // Comment not allowed in 5321 mailbox.
 174   CHECK(!Mailbox::validate("email@domain.com (Joe Smith)"));
 175
 176   // Missing top level domain (.com/.net/.org/etc).
 177   CHECK(Mailbox::validate("email@domain"));
 178
 179   // Leading dash in front of domain is invalid.
 180   CHECK(!Mailbox::validate("email@-domain.com"));
 181
 182   // .web is not a valid top level domain, oh yeah? says who?
 183   CHECK(Mailbox::validate("email@domain.web"));
 184
 185   // Invalid IP address.
 186   CHECK(!Mailbox::validate("email@[111.222.333.44444]"));
 187
 188   // Invalid IP address, but valid domain name as it turns out.
 189   CHECK(Mailbox::validate("email@111.222.333.44444"));
 190
 191   // Not a valid domain name.
 192   CHECK(!Mailbox::validate("email@domain..com"));
 193
 194   // general_address_literal
 195   CHECK(Mailbox::validate("email@[x:~Foo_Bar_Baz<\?\?>]"));
 196
 197   std::cout << "sizeof(Mailbox) == " << sizeof(Mailbox) << '\n';
 198 }