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kpeter (Peter Kovacs)
kpeter@inf.elte.hu
Improve timer and counter tests (#253) - Do not print the output of counter_test.cc. - Check the output of counter_test.cc. - Shorten the running time of time_measure_test.cc.
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2 files changed with 69 insertions and 44 deletions:
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Ignore white space 6 line context
... ...
@@ -18,59 +18,86 @@
18 18

	
19 19
#include <lemon/counter.h>
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#include <vector>
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#include <sstream>
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#include "test/test_tools.h"
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using namespace lemon;
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template <typename T>
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void bubbleSort(std::vector<T>& v) {
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  Counter op("Bubble Sort - Operations: ");
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  Counter::NoSubCounter as(op, "Assignments: ");
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  Counter::NoSubCounter co(op, "Comparisons: ");
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  for (int i = v.size()-1; i > 0; --i) {
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    for (int j = 0; j < i; ++j) {
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      if (v[j] > v[j+1]) {
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        T tmp = v[j];
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        v[j] = v[j+1];
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        v[j+1] = tmp;
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        as += 3;
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  std::stringstream s1, s2, s3;
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  {
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    Counter op("Bubble Sort - Operations: ", s1);
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    Counter::SubCounter as(op, "Assignments: ", s2);
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    Counter::SubCounter co(op, "Comparisons: ", s3);
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    for (int i = v.size()-1; i > 0; --i) {
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      for (int j = 0; j < i; ++j) {
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        if (v[j] > v[j+1]) {
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          T tmp = v[j];
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          v[j] = v[j+1];
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          v[j+1] = tmp;
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          as += 3;
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        }
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        ++co;
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      }
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      ++co;
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    }
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  }
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  check(s1.str() == "Bubble Sort - Operations: 102\n", "Wrong counter");
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  check(s2.str() == "Assignments: 57\n", "Wrong subcounter");
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  check(s3.str() == "Comparisons: 45\n", "Wrong subcounter");
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}
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template <typename T>
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void insertionSort(std::vector<T>& v) {
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  Counter op("Insertion Sort - Operations: ");
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  Counter::NoSubCounter as(op, "Assignments: ");
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  Counter::NoSubCounter co(op, "Comparisons: ");
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  for (int i = 1; i < int(v.size()); ++i) {
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    T value = v[i];
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    ++as;
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    int j = i;
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    while (j > 0 && v[j-1] > value) {
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      v[j] = v[j-1];
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      --j;
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      ++co; ++as;
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  std::stringstream s1, s2, s3;
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  {
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    Counter op("Insertion Sort - Operations: ", s1);
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    Counter::SubCounter as(op, "Assignments: ", s2);
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    Counter::SubCounter co(op, "Comparisons: ", s3);
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    for (int i = 1; i < int(v.size()); ++i) {
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      T value = v[i];
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      ++as;
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      int j = i;
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      while (j > 0 && v[j-1] > value) {
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        v[j] = v[j-1];
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        --j;
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        ++co; ++as;
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      }
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      v[j] = value;
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      ++as;
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    }
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    v[j] = value;
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    ++as;
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  }
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  check(s1.str() == "Insertion Sort - Operations: 56\n", "Wrong counter");
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  check(s2.str() == "Assignments: 37\n", "Wrong subcounter");
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  check(s3.str() == "Comparisons: 19\n", "Wrong subcounter");
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}
60 75

	
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template <typename MyCounter>
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void counterTest() {
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  MyCounter c("Main Counter: ");
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  c++;
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  typename MyCounter::SubCounter d(c, "SubCounter: ");
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  d++;
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  typename MyCounter::SubCounter::NoSubCounter e(d, "SubSubCounter: ");
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  e++;
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  d+=3;
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  c-=4;
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  e-=2;
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  c.reset(2);
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  c.reset();
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void counterTest(bool output) {
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  std::stringstream s1, s2, s3;
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  {
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    MyCounter c("Main Counter: ", s1);
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    c++;
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    typename MyCounter::SubCounter d(c, "SubCounter: ", s2);
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    d++;
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    typename MyCounter::SubCounter::NoSubCounter e(d, "SubSubCounter: ", s3);
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    e++;
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    d+=3;
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    c-=4;
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    e-=2;
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    c.reset(2);
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    c.reset();
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  }
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  if (output) {
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    check(s1.str() == "Main Counter: 3\n", "Wrong Counter");
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    check(s2.str() == "SubCounter: 3\n", "Wrong SubCounter");
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    check(s3.str() == "", "Wrong NoSubCounter");
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  } else {
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    check(s1.str() == "", "Wrong NoCounter");
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    check(s2.str() == "", "Wrong SubCounter");
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    check(s3.str() == "", "Wrong NoSubCounter");
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  }
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}
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void init(std::vector<int>& v) {
... ...
@@ -80,8 +107,8 @@
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int main()
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{
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  counterTest<Counter>();
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  counterTest<NoCounter>();
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  counterTest<Counter>(true);
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  counterTest<NoCounter>(false);
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  std::vector<int> x(10);
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  init(x); bubbleSort(x);
Ignore white space 6 line context
... ...
@@ -39,18 +39,16 @@
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{
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  Timer T;
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  unsigned int n;
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  for(n=0;T.realTime()<1.0;n++) ;
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  for(n=0;T.realTime()<0.1;n++) ;
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  std::cout << T << " (" << n << " time queries)\n";
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  T.restart();
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  while(T.realTime()<2.0) ;
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  std::cout << T << '\n';
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  TimeStamp full;
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  TimeStamp t;
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  t=runningTimeTest(f,1,&n,&full);
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  t=runningTimeTest(f,0.1,&n,&full);
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  std::cout << t << " (" << n << " tests)\n";
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  std::cout << "Total: " << full << "\n";
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  t=runningTimeTest(g,1,&n,&full);
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  t=runningTimeTest(g,0.1,&n,&full);
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  std::cout << t << " (" << n << " tests)\n";
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  std::cout << "Total: " << full << "\n";
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