src/tests/testStatHist.cc

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