src/tests/testStatHist.cc

   1 /*
   2  * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10 #include "StatHist.h"
  11 #include "testStatHist.h"
  12
  13 CPPUNIT_TEST_SUITE_REGISTRATION(testStatHist);
  14
  15 typedef enum {
  16     ZERO, ONE, TWO, THREE, FOUR, FIVE
  17 } number ;
  18
  19 class InspectingStatHist : public StatHist
  20 {
  21 public:
  22     bool operator==(const InspectingStatHist &);
  23     bins_type counter(double v) {
  24         return bins[findBin(v)];
  25     }
  26 };
  27
  28 bool
  29 InspectingStatHist::operator ==(const InspectingStatHist & src)
  30 {
  31     assert(bins != NULL && src.bins != NULL); // TODO: remove after initializing bins at construction time
  32     if (capacity_ != src.capacity_ ||
  33             min_!=src.min_ ||
  34             max_!=src.max_ ||
  35             scale_!=src.scale_ ||
  36             val_in!=src.val_in ||
  37             val_out!=src.val_out)
  38         return false;
  39     return (memcmp(bins,src.bins,capacity_*sizeof(*bins))==0);
  40 }
  41
  42 void
  43 testStatHist::testStatHistBaseEquality()
  44 {
  45     InspectingStatHist raw, test;
  46     raw.enumInit(FIVE);
  47     test.enumInit(FIVE);
  48     CPPUNIT_ASSERT(raw==test);
  49     test.count(ZERO);
  50     CPPUNIT_ASSERT_ASSERTION_FAIL(CPPUNIT_ASSERT(raw==test));
  51 }
  52
  53 void
  54 testStatHist::testStatHistBaseAssignment()
  55 {
  56     InspectingStatHist raw, test;
  57     raw.enumInit(FIVE);
  58     test.enumInit(FIVE);
  59     test.count(ZERO);
  60     CPPUNIT_ASSERT_ASSERTION_FAIL(CPPUNIT_ASSERT(raw==test));
  61     test=raw;
  62     CPPUNIT_ASSERT(raw==test);
  63 }
  64
  65 void
  66 testStatHist::testStatHistLog()
  67 {
  68     const double min=0.0, max=10000.0;
  69     const int capacity=10;
  70     InspectingStatHist raw, test;
  71     raw.logInit(capacity,min,max);
  72     test=raw;
  73     CPPUNIT_ASSERT(test.counter(min)==0);
  74     test.count(min);
  75     CPPUNIT_ASSERT(test.counter(min)==1);
  76     CPPUNIT_ASSERT(test.counter(max)==0);
  77     test.count(max);
  78     CPPUNIT_ASSERT(test.counter(max)==1);
  79     test=raw;
  80     test.count(max);
  81     //CPPUNIT_ASSERT(test.val(capacity-1)==1); //FIXME: val() returns a density
  82 }
  83
  84 void
  85 testStatHist::testStatHistSum()
  86 {
  87     InspectingStatHist s1, s2;
  88     s1.logInit(30,1.0,100.0);
  89     s2.logInit(30,1.0,100.0);
  90     s1.count(3);
  91     s2.count(30);
  92     InspectingStatHist ts1, ts2;
  93     ts1=s1;
  94     ts1+=s2;
  95     ts2=s2;
  96     ts2+=s1;
  97     CPPUNIT_ASSERT(ts1 == ts2);
  98     InspectingStatHist ts3;
  99     ts3.logInit(30,1.0,100.0);
 100     ts3.count(3);
 101     ts3.count(30);
 102     CPPUNIT_ASSERT(ts3 == ts1);
 103
 104 }
 105