algo/c-cpp/15_bsearch/bsearch_test.cc

/**
 * Created by Liam Huang (Liam0205) on 2018/10/24.
 */

#include <iostream>
#include <vector>

#include "bsearch.hpp"

template <typename VecT, typename T = typename VecT::value_type>
void test_bsearch(const VecT& test, T target) {
    auto it = bsearch(test.begin(), test.end(), target);
    std::cout << std::distance(test.begin(), it) << std::endl;
}

int main() {
    std::vector<int> test{0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 5, 6, 7};  // std::less<int>()

    test_bsearch(test, 8);                        // 14
    test_bsearch(test, -1);                       // 14
    test_bsearch(test, 0);                        // 0, 1
    test_bsearch(test, 4);                        // 5, 6
    test_bsearch(test, 5);                        // 7, 8, 9, 10, 11
    test_bsearch(test, 7);                        // 13

    return 0;
}