src/tests/testStatHist.cc

   1 #define SQUID_UNIT_TEST 1
   2 #include "squid.h"
   3 #include "StatHist.h"
   4 #include "testStatHist.h"
   5
   6 CPPUNIT_TEST_SUITE_REGISTRATION(testStatHist);
   7
   8 typedef enum {
   9     ZERO, ONE, TWO, THREE, FOUR, FIVE
  10 } number ;
  11
  12 class InspectingStatHist : public StatHist
  13 {
  14 public:
  15     bool operator==(const InspectingStatHist &);
  16     bins_type counter(double v) {
  17         return bins[findBin(v)];
  18     }
  19 };
  20
  21 bool
  22 InspectingStatHist::operator ==(const InspectingStatHist & src)
  23 {
  24     assert(bins != NULL && src.bins != NULL); // TODO: remove after initializing bins at construction time
  25     if (capacity_ != src.capacity_ ||
  26             min_!=src.min_ ||
  27             max_!=src.max_ ||
  28             scale_!=src.scale_ ||
  29             val_in!=src.val_in ||
  30             val_out!=src.val_out)
  31         return false;
  32     return (memcmp(bins,src.bins,capacity_*sizeof(*bins))==0);
  33 }
  34
  35 void
  36 testStatHist::testStatHistBaseEquality()
  37 {
  38     InspectingStatHist raw, test;
  39     raw.enumInit(FIVE);
  40     test.enumInit(FIVE);
  41     CPPUNIT_ASSERT(raw==test);
  42     test.count(ZERO);
  43     CPPUNIT_ASSERT_ASSERTION_FAIL(CPPUNIT_ASSERT(raw==test));
  44 }
  45
  46 void
  47 testStatHist::testStatHistBaseAssignment()
  48 {
  49     InspectingStatHist raw, test;
  50     raw.enumInit(FIVE);
  51     test.enumInit(FIVE);
  52     test.count(ZERO);
  53     CPPUNIT_ASSERT_ASSERTION_FAIL(CPPUNIT_ASSERT(raw==test));
  54     test=raw;
  55     CPPUNIT_ASSERT(raw==test);
  56 }
  57
  58 void
  59 testStatHist::testStatHistLog()
  60 {
  61     const double min=0.0, max=10000.0;
  62     const int capacity=10;
  63     InspectingStatHist raw, test;
  64     raw.logInit(capacity,min,max);
  65     test=raw;
  66     CPPUNIT_ASSERT(test.counter(min)==0);
  67     test.count(min);
  68     CPPUNIT_ASSERT(test.counter(min)==1);
  69     CPPUNIT_ASSERT(test.counter(max)==0);
  70     test.count(max);
  71     CPPUNIT_ASSERT(test.counter(max)==1);
  72     test=raw;
  73     test.count(max);
  74     //CPPUNIT_ASSERT(test.val(capacity-1)==1); //FIXME: val() returns a density
  75 }
  76
  77 void
  78 testStatHist::testStatHistSum()
  79 {
  80     InspectingStatHist s1, s2;
  81     s1.logInit(30,1.0,100.0);
  82     s2.logInit(30,1.0,100.0);
  83     s1.count(3);
  84     s2.count(30);
  85     InspectingStatHist ts1, ts2;
  86     ts1=s1;
  87     ts1+=s2;
  88     ts2=s2;
  89     ts2+=s1;
  90     CPPUNIT_ASSERT(ts1 == ts2);
  91     InspectingStatHist ts3;
  92     ts3.logInit(30,1.0,100.0);
  93     ts3.count(3);
  94     ts3.count(30);
  95     CPPUNIT_ASSERT(ts3 == ts1);
  96
  97 }