unittests/tests/NetworkFunctionsTest.cpp

   1 #include <muleunit/test.h>
   2 #include <NetworkFunctions.h>
   3
   4 #define itemsof(x) (sizeof(x)/sizeof(x[0]))
   5
   6 using namespace muleunit;
   7
   8 DECLARE_SIMPLE(NetworkFunctions)
   9
  10 TEST(NetworkFunctions, StringIPtoUint32)
  11 {
  12         unsigned char values[] = { 0, 1, 127, 254, 255 };
  13         const wxChar whitespace[] = { wxT(' '), wxT('\t'), wxT('\n') };
  14         int items = itemsof(values);
  15         int whites = 2;
  16         int zeros = 2;
  17
  18         // Test a few standard IP combinations
  19         for (int wl = 0; wl < whites; ++wl) {
  20                 for (int wr = 0; wr < whites; ++wr) {
  21                         for (int a = 0; a < items; ++a) {
  22                                 for (int za = 0; za < zeros; ++za) {
  23                                         for (int b = 0; b < items; ++b) {
  24                                                 for (int zb = 0; zb < zeros; ++zb) {
  25                                                         for (int c = 0; c < items; ++c) {
  26                                                                 for (int zc = 0; zc < zeros; ++zc) {
  27                                                                         for (int d = 0; d < items; ++d) {
  28                                                                                 for (int zd = 0; zd < zeros; ++zd) {
  29                                                                                         wxString IP;
  30
  31                                                                                         IP << wxString(wxT(' '), wl)
  32                                                                                            << wxString(wxT('0'), za)
  33                                                                                            << values[a]
  34                                                                                            << wxT('.')
  35                                                                                            << wxString(wxT('0'), zb)
  36                                                                                            << values[b]
  37                                                                                            << wxT('.')
  38                                                                                            << wxString(wxT('0'), zc)
  39                                                                                            << values[c]
  40                                                                                            << wxT('.')
  41                                                                                            << wxString(wxT('0'), zd)
  42                                                                                            << values[d]
  43                                                                                            << wxString(wxT(' '), wr);
  44
  45                                                                                         uint32 resultIP = 17;
  46
  47                                                                                         ASSERT_TRUE(StringIPtoUint32(IP, resultIP));
  48
  49                                                                                         uint32 expected = (values[d] << 24) | (values[c] << 16) | (values[b] << 8) | values[a];
  50
  51                                                                                         ASSERT_EQUALS(expected, resultIP);
  52                                                                                 }
  53                                                                         }
  54                                                                 }
  55                                                         }
  56                                                 }
  57                                         }
  58                                 }
  59                         }
  60                 }
  61         }
  62
  63
  64         // Test invalid IPs
  65         uint32 dummyIP = 27;
  66
  67         // Missing fields
  68         ASSERT_FALSE(StringIPtoUint32(wxT(".2.3.4"), dummyIP));
  69         ASSERT_FALSE(StringIPtoUint32(wxT("1..3.4"), dummyIP));
  70         ASSERT_FALSE(StringIPtoUint32(wxT("1.2..4"), dummyIP));
  71         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3."), dummyIP));
  72         ASSERT_FALSE(StringIPtoUint32(wxT(".2.3."), dummyIP));
  73
  74         // Extra dots
  75         ASSERT_FALSE(StringIPtoUint32(wxT(".1.2.3.4"), dummyIP));
  76         ASSERT_FALSE(StringIPtoUint32(wxT("1..2.3.4"), dummyIP));
  77         ASSERT_FALSE(StringIPtoUint32(wxT("1.2..3.4"), dummyIP));
  78         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3..4"), dummyIP));
  79         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3.4."), dummyIP));
  80         ASSERT_FALSE(StringIPtoUint32(wxT(".1.2.3.4."), dummyIP));
  81
  82         // Garbage
  83         ASSERT_FALSE(StringIPtoUint32(wxT("abc"), dummyIP));
  84         ASSERT_FALSE(StringIPtoUint32(wxT("a1.1.3.4"), dummyIP));
  85         ASSERT_FALSE(StringIPtoUint32(wxT("1.1.3.4b"), dummyIP));
  86         ASSERT_FALSE(StringIPtoUint32(wxT("a.1.3.4"), dummyIP));
  87         ASSERT_FALSE(StringIPtoUint32(wxT("1.b.3.4"), dummyIP));
  88         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.c.4"), dummyIP));
  89         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3.d"), dummyIP));
  90         ASSERT_FALSE(StringIPtoUint32(wxT("1.b.3.d"), dummyIP));
  91
  92         // Invalid fields
  93         ASSERT_FALSE(StringIPtoUint32(wxT("256.2.3.4"), dummyIP));
  94         ASSERT_FALSE(StringIPtoUint32(wxT("1.256.3.4"), dummyIP));
  95         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.256.4"), dummyIP));
  96         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3.256"), dummyIP));
  97         ASSERT_FALSE(StringIPtoUint32(wxT("256.2.3.256"), dummyIP));
  98
  99         // Negative fields
 100         ASSERT_FALSE(StringIPtoUint32(wxT("-1.2.3.4"), dummyIP));
 101         ASSERT_FALSE(StringIPtoUint32(wxT("1.-2.3.4"), dummyIP));
 102         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.-3.4"), dummyIP));
 103         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3.-4"), dummyIP));
 104
 105         // Whitespace between fields
 106         for (unsigned i = 0; i < itemsof(whitespace); ++i) {
 107                 wxChar c = whitespace[i];
 108
 109                 ASSERT_FALSE(StringIPtoUint32(wxString::Format(wxT("1%c.2.3.4"), c), dummyIP));
 110                 ASSERT_FALSE(StringIPtoUint32(wxString::Format(wxT("1.%c2.3.4"), c), dummyIP));
 111                 ASSERT_FALSE(StringIPtoUint32(wxString::Format(wxT("1.2%c.3.4"), c), dummyIP));
 112                 ASSERT_FALSE(StringIPtoUint32(wxString::Format(wxT("1.2.%c3.4"), c), dummyIP));
 113                 ASSERT_FALSE(StringIPtoUint32(wxString::Format(wxT("1.2.3%c.4"), c), dummyIP));
 114                 ASSERT_FALSE(StringIPtoUint32(wxString::Format(wxT("1.2.3.%c4"), c), dummyIP));
 115         }
 116
 117
 118         // Faar too large values (triggered overflow and became negative)
 119         ASSERT_FALSE(StringIPtoUint32(wxT("2147483648.2.3.4"), dummyIP));
 120         ASSERT_FALSE(StringIPtoUint32(wxT("1.2147483648.3.4"), dummyIP));
 121         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.2147483648.4"), dummyIP));
 122         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3.2147483648"), dummyIP));
 123
 124         // Values greater than 2 ** 32 - 1 (triggered overflow and becames x - (2 ** 32 - 1))
 125         ASSERT_FALSE(StringIPtoUint32(wxT("4294967296.2.3.4"), dummyIP));
 126         ASSERT_FALSE(StringIPtoUint32(wxT("1.4294967296.3.4"), dummyIP));
 127         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.4294967296.4"), dummyIP));
 128         ASSERT_FALSE(StringIPtoUint32(wxT("1.2.3.4294967296"), dummyIP));
 129
 130
 131         // The dummyIP value shouldn't have been changed by any of these calls
 132         ASSERT_EQUALS(27u, dummyIP);
 133 }
 134