#pragma once

int replace2 (double *pb, double *pb1, double *pe, bool (*predicat)(double i, double j));


// Replace2.cpp: определяет точку входа для консольного приложения.
//


#include <cstdio>
#include <cstdlib>



int replace2 (double *pb, double *pb1, double *pe, bool (*predicat)(double i, double j))
{
    int count = 0;
    for (double *i = pb, *j = pb1 ; i != pe; ++i,++j){
        if(predicat(*i, *j)) {
            *i = *j;
            ++count;
        }
    }
    return count;


}



#include<random>
#include <functional>
#include <ctime>
#include <cmath>

#include "gtest/gtest.h"
#include "Replace2.h"

using namespace std;

mt19937 generator(time(0)); //Or just "mt19937 generator;" for repeated sequence. Try it!
uniform_real_distribution<double> unif_real_01(0.0, 1.0);
auto genAlpha = bind(unif_real_01, generator);

bool predicat1(double i, double j){
        if (i == j) return true;
        else return false;
}

bool predicat2(double i, double j){
        if (i ==(j) + 1) return true;
        else return false;
}

bool predicat3(double i, double j){
        if (i == (j) * 2) return true;
        else return false;
}


TEST(Test_predicat1, with_equal_numbers) {
    const int N = 5;
    double a[N] = {5, 0, -7, 0, 100};
    double b[N] = {5, 0, -7, 0, 100};
    ASSERT_EQ((replace2(a, b, a + N, predicat1)), N);
}


GTEST_API_ int main(int argc, char **argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}