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