src/tests/testICMP.cc

   1 #define SQUID_UNIT_TEST 1
   2 #define SQUID_HELPER 1
   3
   4 #include "squid.h"
   5
   6 #include <cppunit/TestAssert.h>
   7
   8 #include "testICMP.h"
   9
  10 CPPUNIT_TEST_SUITE_REGISTRATION( testICMP );
  11
  12 #if USE_ICMP
  13
  14 void
  15 testICMP::testChecksum()
  16 {
  17     stubICMP icmp;
  18     short unsigned int buf[10] = {1,2,3,4,5,6,7,8,9};
  19
  20     // NULL data
  21     CPPUNIT_ASSERT_EQUAL(65535, icmp.testChecksum(NULL,0));
  22
  23     // NULL data with length!!
  24     CPPUNIT_ASSERT_EQUAL(65535, icmp.testChecksum(NULL,1));
  25
  26     // data with 0 length
  27     CPPUNIT_ASSERT_EQUAL(65535, icmp.testChecksum(buf,0));
  28
  29     // data with invalid length (low)
  30     CPPUNIT_ASSERT_EQUAL(65534, icmp.testChecksum(buf,1));
  31
  32     // data with invalid length (max-low)
  33     CPPUNIT_ASSERT_EQUAL(65520, icmp.testChecksum(buf,9));
  34
  35     // data with accurate length
  36     CPPUNIT_ASSERT_EQUAL(65520, icmp.testChecksum(buf,10));
  37
  38     // data with invalid length (overrun)
  39     CPPUNIT_ASSERT_EQUAL(65514, icmp.testChecksum(buf,11));
  40 }
  41
  42 void
  43 testICMP::testHops()
  44 {
  45     stubICMP icmp;
  46
  47     /* test invalid -(under values) */
  48     // negative     : n > 33
  49     CPPUNIT_ASSERT_EQUAL(34, icmp.testHops(-1));
  50     // zero
  51     CPPUNIT_ASSERT_EQUAL(33, icmp.testHops(0));
  52
  53         /* test each valid case boundary */
  54     // n(1...32)    : 32 >= n >= 1
  55     CPPUNIT_ASSERT_EQUAL(32, icmp.testHops(1));
  56     CPPUNIT_ASSERT_EQUAL(1, icmp.testHops(32));
  57
  58     // n(33...62)   : 30 >= n >= 1
  59     CPPUNIT_ASSERT_EQUAL(30, icmp.testHops(33));
  60     CPPUNIT_ASSERT_EQUAL(1, icmp.testHops(62));
  61
  62     // n(63...64)  : 2 >= n >= 1
  63     CPPUNIT_ASSERT_EQUAL(2, icmp.testHops(63));
  64     CPPUNIT_ASSERT_EQUAL(1, icmp.testHops(64));
  65
  66     // n(65...128)  : 64 >= n >= 1
  67     CPPUNIT_ASSERT_EQUAL(64, icmp.testHops(65));
  68     CPPUNIT_ASSERT_EQUAL(1, icmp.testHops(128));
  69
  70     // n(129...192) : 64 >= n >= 1
  71     CPPUNIT_ASSERT_EQUAL(64, icmp.testHops(129));
  72     CPPUNIT_ASSERT_EQUAL(1, icmp.testHops(192));
  73
  74     // n(193...)    : n < 63
  75     CPPUNIT_ASSERT_EQUAL(63, icmp.testHops(193));
  76     CPPUNIT_ASSERT_EQUAL(1, icmp.testHops(255));
  77
  78         /* test invalid (over values) */
  79     // 256 - produces zero
  80     CPPUNIT_ASSERT_EQUAL(0, icmp.testHops(256));
  81     // 257 - produces negative hops
  82     CPPUNIT_ASSERT_EQUAL(-1, icmp.testHops(257));
  83 }
  84
  85 #endif /* USE_ICMP */