dust3d/thirdparty/QuadriFlow/3rd/lemon-1.3.1/test/counter_test.cc

119 lines
3.1 KiB
C++
Executable File

/* -*- mode: C++; indent-tabs-mode: nil; -*-
*
* This file is a part of LEMON, a generic C++ optimization library.
*
* Copyright (C) 2003-2009
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
* (Egervary Research Group on Combinatorial Optimization, EGRES).
*
* Permission to use, modify and distribute this software is granted
* provided that this copyright notice appears in all copies. For
* precise terms see the accompanying LICENSE file.
*
* This software is provided "AS IS" with no warranty of any kind,
* express or implied, and with no claim as to its suitability for any
* purpose.
*
*/
#include <lemon/counter.h>
#include <vector>
#include <sstream>
#include "test/test_tools.h"
using namespace lemon;
template <typename T>
void bubbleSort(std::vector<T>& v) {
std::stringstream s1, s2, s3;
{
Counter op("Bubble Sort - Operations: ", s1);
Counter::SubCounter as(op, "Assignments: ", s2);
Counter::SubCounter co(op, "Comparisons: ", s3);
for (int i = v.size()-1; i > 0; --i) {
for (int j = 0; j < i; ++j) {
if (v[j] > v[j+1]) {
T tmp = v[j];
v[j] = v[j+1];
v[j+1] = tmp;
as += 3;
}
++co;
}
}
}
check(s1.str() == "Bubble Sort - Operations: 102\n", "Wrong counter");
check(s2.str() == "Assignments: 57\n", "Wrong subcounter");
check(s3.str() == "Comparisons: 45\n", "Wrong subcounter");
}
template <typename T>
void insertionSort(std::vector<T>& v) {
std::stringstream s1, s2, s3;
{
Counter op("Insertion Sort - Operations: ", s1);
Counter::SubCounter as(op, "Assignments: ", s2);
Counter::SubCounter co(op, "Comparisons: ", s3);
for (int i = 1; i < int(v.size()); ++i) {
T value = v[i];
++as;
int j = i;
while (j > 0 && v[j-1] > value) {
v[j] = v[j-1];
--j;
++co; ++as;
}
v[j] = value;
++as;
}
}
check(s1.str() == "Insertion Sort - Operations: 56\n", "Wrong counter");
check(s2.str() == "Assignments: 37\n", "Wrong subcounter");
check(s3.str() == "Comparisons: 19\n", "Wrong subcounter");
}
template <typename MyCounter>
void counterTest(bool output) {
std::stringstream s1, s2, s3;
{
MyCounter c("Main Counter: ", s1);
c++;
typename MyCounter::SubCounter d(c, "SubCounter: ", s2);
d++;
typename MyCounter::SubCounter::NoSubCounter e(d, "SubSubCounter: ", s3);
e++;
d+=3;
c-=4;
e-=2;
c.reset(2);
c.reset();
}
if (output) {
check(s1.str() == "Main Counter: 3\n", "Wrong Counter");
check(s2.str() == "SubCounter: 3\n", "Wrong SubCounter");
check(s3.str() == "", "Wrong NoSubCounter");
} else {
check(s1.str() == "", "Wrong NoCounter");
check(s2.str() == "", "Wrong SubCounter");
check(s3.str() == "", "Wrong NoSubCounter");
}
}
void init(std::vector<int>& v) {
v[0] = 10; v[1] = 60; v[2] = 20; v[3] = 90; v[4] = 100;
v[5] = 80; v[6] = 40; v[7] = 30; v[8] = 50; v[9] = 70;
}
int main()
{
counterTest<Counter>(true);
counterTest<NoCounter>(false);
std::vector<int> x(10);
init(x); bubbleSort(x);
init(x); insertionSort(x);
return 0;
}