aicodix___dsp/tests/quick_sort_test.cc
2024-03-11 10:48:56 +01:00

36 lines
770 B
C++

/*
Test for the Quick sort algorithm
Copyright 2024 Ahmet Inan <inan@aicodix.de>
*/
#include <random>
#include <cassert>
#include <iostream>
#include <functional>
#include "quick.hh"
int main()
{
const int MAX_N = 1 << 16;
unsigned seed = 42;
if (1) {
std::random_device rd;
seed = rd();
}
typedef std::default_random_engine generator;
typedef std::uniform_int_distribution<int> distribution;
auto rand = std::bind(distribution(0, MAX_N), generator(seed));
int a[MAX_N];
for (int loop = 0; loop < 1000; ++loop) {
int size = rand();
for (int i = 0; i < size; ++i)
a[i] = rand();
DSP::quick_sort(a, size);
for (int i = 1; i < size; ++i)
assert(a[i-1] <= a[i]);
}
std::cerr << "Quick sort algorithm test passed!" << std::endl;
return 0;
}