etl/test/test_algorithm.cpp
2022-01-08 18:51:35 +00:00

2192 lines
77 KiB
C++

/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2014 jwellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
******************************************************************************/
#include "unit_test_framework.h"
#include "etl/algorithm.h"
#include "etl/container.h"
#include "data.h"
#include "iterators_for_unit_tests.h"
#include <vector>
#include <array>
#include <list>
#include <forward_list>
#include <algorithm>
#include <functional>
#include <numeric>
#include <random>
#include <memory>
namespace
{
using NDC = TestDataNDC<int>;
using ItemM = TestDataM<std::string>;
std::random_device rng;
std::mt19937 urng(rng());
using Vector = std::vector<int>;
Vector data = { 2, 1, 4, 3, 6, 5, 8, 7, 10, 9 };
using VectorM = std::vector<ItemM>;
constexpr size_t SIZE = 10;
int dataA[SIZE] = { 2, 1, 4, 3, 6, 5, 8, 7, 10, 9 };
int dataS[SIZE] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
std::list<int> dataSL = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
using List = std::list<int>;
List dataL = { 2, 1, 4, 3, 6, 5, 8, 7, 10, 9 };
int dataEQ[SIZE] = { 1, 1, 3, 3, 5, 5, 7, 7, 9, 9 };
std::list<int> dataEQL = { 1, 1, 3, 3, 5, 5, 7, 7, 9, 9 };
Vector dataV = { 2, 1, 4, 3, 6, 5, 8, 7, 10, 9 };
int dataD1[SIZE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int dataD2[SIZE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
class Data
{
public:
Data()
: a(0)
, b(0)
{
}
Data(int a, int b)
: a(a)
, b(b)
{
}
int a;
int b;
};
bool operator ==(const Data& lhs, const Data& rhs)
{
return (lhs.a == rhs.a) && (lhs.b == rhs.b);
}
struct DataPredicate
{
bool operator ()(const Data& lhs, const Data& rhs) const
{
return lhs.a < rhs.a;
}
};
struct DataEquality
{
bool operator ()(const Data& lhs, const Data& rhs) const
{
return lhs.a == rhs.a;
}
};
Data dataD[10] = { Data(1, 2), Data(2, 1), Data(3, 4), Data(4, 3), Data(5, 6), Data(6, 5), Data(7, 8), Data(8, 7), Data(9, 10), Data(10, 9) };
struct Greater : public etl::binary_function<int, int, bool>
{
bool operator()(int a, int b) const
{
return a > b;
}
};
std::ostream& operator << (std::ostream& os, const Data& data_)
{
os << data_.a << "," << data_.b;
return os;
}
SUITE(test_algorithm)
{
//*************************************************************************
TEST(min)
{
int a = 1;
int b = 2;
CHECK_EQUAL((std::min(a, b)), (etl::min(a, b)));
CHECK_EQUAL((std::min(b, a)), (etl::min(b, a)));
}
//*************************************************************************
TEST(min_compare)
{
int a = 1;
int b = 2;
CHECK_EQUAL((std::min(a, b, Greater())), (etl::min(a, b, Greater())));
CHECK_EQUAL((std::min(b, a, Greater())), (etl::min(b, a, Greater())));
}
//*************************************************************************
TEST(max)
{
int a = 1;
int b = 2;
CHECK_EQUAL((std::max(a, b)), (etl::max(a, b)));
CHECK_EQUAL((std::max(b, a)), (etl::max(b, a)));
}
//*************************************************************************
TEST(max_compare)
{
int a = 1;
int b = 2;
CHECK_EQUAL((std::max(a, b, Greater())), (etl::max(a, b, Greater())));
CHECK_EQUAL((std::max(b, a, Greater())), (etl::max(b, a, Greater())));
}
//*************************************************************************
TEST(min_element)
{
Vector::iterator expected = std::min_element(data.begin(), data.end());
Vector::iterator result = etl::min_element(data.begin(), data.end());
CHECK_EQUAL(std::distance(data.begin(), expected), std::distance(data.begin(), result));
}
//*************************************************************************
TEST(min_element_compare)
{
Vector::iterator expected = std::min_element(data.begin(), data.end(), std::greater<int>());
Vector::iterator result = etl::min_element(data.begin(), data.end(), std::greater<int>());
CHECK_EQUAL(std::distance(data.begin(), expected), std::distance(data.begin(), result));
}
//*************************************************************************
TEST(max_element)
{
Vector::iterator expected = std::max_element(data.begin(), data.end());
Vector::iterator result = etl::max_element(data.begin(), data.end());
CHECK_EQUAL(std::distance(data.begin(), expected), std::distance(data.begin(), result));
}
//*************************************************************************
TEST(max_element_compare)
{
Vector::iterator expected = std::max_element(data.begin(), data.end(), std::greater<int>());
Vector::iterator result = etl::max_element(data.begin(), data.end(), std::greater<int>());
CHECK_EQUAL(std::distance(data.begin(), expected), std::distance(data.begin(), result));
}
//*************************************************************************
TEST(minmax_element)
{
std::pair<Vector::iterator, Vector::iterator> expected = std::minmax_element(data.begin(), data.end());
std::pair<Vector::iterator, Vector::iterator> result = etl::minmax_element(data.begin(), data.end());
CHECK_EQUAL(std::distance(data.begin(), expected.first), std::distance(data.begin(), result.first));
CHECK_EQUAL(std::distance(data.begin(), expected.second), std::distance(data.begin(), result.second));
}
//*************************************************************************
TEST(minmax_element_compare)
{
std::pair<Vector::iterator, Vector::iterator> expected = std::minmax_element(data.begin(), data.end(), std::greater<int>());
std::pair<Vector::iterator, Vector::iterator> result = etl::minmax_element(data.begin(), data.end(), std::greater<int>());
CHECK_EQUAL(std::distance(data.begin(), expected.first), std::distance(data.begin(), result.first));
CHECK_EQUAL(std::distance(data.begin(), expected.second), std::distance(data.begin(), result.second));
}
//*************************************************************************
TEST(minmax)
{
int a = 1;
int b = 2;
std::pair<int, int> expected = std::minmax(a, b);
std::pair<int, int> result = etl::minmax(a, b);
CHECK_EQUAL(expected.first, result.first);
CHECK_EQUAL(expected.second, result.second);
result = etl::minmax(b, a);
expected = std::minmax(b, a);
CHECK_EQUAL(expected.first, result.first);
CHECK_EQUAL(expected.second, result.second);
}
//*************************************************************************
TEST(minmax_compare)
{
int a = 1;
int b = 2;
std::pair<int, int> expected = std::minmax(a, b, std::greater<int>());
std::pair<int, int> result = etl::minmax(a, b, std::greater<int>());
CHECK_EQUAL(expected.first, result.first);
CHECK_EQUAL(expected.second, result.second);
result = etl::minmax(b, a, std::greater<int>());
expected = std::minmax(b, a, std::greater<int>());
CHECK_EQUAL(expected.first, result.first);
CHECK_EQUAL(expected.second, result.second);
}
//*************************************************************************
TEST(is_sorted_until)
{
int data[] = { 1, 2, 3, 4, 6, 5, 7, 8, 9, 10 };
int* p1 = std::is_sorted_until(std::begin(data), std::end(data));
int* p2 = etl::is_sorted_until(std::begin(data), std::end(data));
CHECK_EQUAL(std::distance(std::begin(data), p1), std::distance(std::begin(data), p2));
}
//*************************************************************************
TEST(is_sorted_until_compare)
{
int data[] = { 10, 9, 8, 7, 5, 6, 4, 3, 4, 2, 1 };
int* p1 = std::is_sorted_until(std::begin(data), std::end(data), std::greater<int>());
int* p2 = etl::is_sorted_until(std::begin(data), std::end(data), std::greater<int>());
CHECK_EQUAL(std::distance(std::begin(data), p1), std::distance(std::begin(data), p2));
}
//*************************************************************************
TEST(is_sorted)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
bool is_sorted = etl::is_sorted(std::begin(data1), std::end(data1));
CHECK(is_sorted);
int data2[] = { 1, 2, 3, 4, 6, 5, 7, 8 , 9, 10 };
is_sorted = etl::is_sorted(std::begin(data2), std::end(data2));
CHECK(!is_sorted);
}
//*************************************************************************
TEST(is_sorted_compare)
{
int data1[] = { 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 };
bool is_sorted = etl::is_sorted(std::begin(data1), std::end(data1), std::greater<int>());
CHECK(is_sorted);
int data2[] = { 10, 9, 8, 7, 5, 6, 4, 3, 2, 1 };
is_sorted = etl::is_sorted(std::begin(data2), std::end(data2), std::greater<int>());
CHECK(!is_sorted);
}
//*************************************************************************
TEST(copy_pod_pointer)
{
int data1[10];
int data2[10];
int* pstl = std::copy(std::begin(dataA), std::end(dataA), std::begin(data1));
int* petl = etl::copy(std::begin(dataA), std::end(dataA), std::begin(data2));
using difference_type_t = std::iterator_traits<int*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_non_pod_pointer)
{
Data data1[10];
Data data2[10];
Data* pstl = std::copy(std::begin(dataD), std::end(dataD), std::begin(data1));
Data* petl = etl::copy(std::begin(dataD), std::end(dataD), std::begin(data2));
using difference_type_t = std::iterator_traits<Data*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_non_random_iterator)
{
List data1(dataL.size());
List data2(dataL.size());
List::iterator pstl = std::copy(std::begin(dataA), std::end(dataA), std::begin(data1));
List::iterator petl = etl::copy(std::begin(dataA), std::end(dataA), std::begin(data2));
using difference_type_t = List::difference_type;
difference_type_t dstl = std::distance(data1.begin(), pstl);
difference_type_t detl = std::distance(data2.begin(), petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_n_random_iterator)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int data2[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int data3[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int* result;
std::copy_n(std::begin(data1), 4, std::begin(data2));
result = etl::copy_n(std::begin(data1), 4, std::begin(data3));
CHECK_EQUAL(std::begin(data3) + 4, result);
bool is_same = std::equal(std::begin(data2), std::end(data2), std::begin(data3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_n_non_random_iterator)
{
std::list<int> data1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int data2[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int data3[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int* result;
std::copy_n(std::begin(data1), 4, std::begin(data2));
result = etl::copy_n(std::begin(data1), 4, std::begin(data3));
CHECK_EQUAL(std::begin(data3) + 4, result);
bool is_same = std::equal(std::begin(data2), std::end(data2), std::begin(data3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_if)
{
int data1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int data2[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int data3[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Copy everything less than 5.
std::copy_if(std::begin(data1), std::end(data1), std::begin(data2), std::bind(std::less<int>(), std::placeholders::_1, 5));
etl::copy_if(std::begin(data1), std::end(data1), std::begin(data3), std::bind(std::less<int>(), std::placeholders::_1, 5));
bool is_same = std::equal(std::begin(data2), std::end(data2), std::begin(data3));
CHECK(is_same);
}
//*************************************************************************
TEST(reverse_copy_pod_pointer)
{
int data1[10];
int data2[10];
int* pstl = std::reverse_copy(std::begin(dataA), std::end(dataA), std::begin(data1));
int* petl = etl::reverse_copy(std::begin(dataA), std::end(dataA), std::begin(data2));
using difference_type_t = std::iterator_traits<int*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_n_pod_pointer)
{
int data1[10];
int data2[10];
int* pstl = std::copy_n(std::begin(dataA), 10, std::begin(data1));
int* petl = etl::copy_n(std::begin(dataA), 10, std::begin(data2));
using difference_type_t = std::iterator_traits<int*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_n_non_pod_pointer)
{
Data data1[10];
Data data2[10];
Data* pstl = std::copy_n(std::begin(dataD), 10, std::begin(data1));
Data* petl = etl::copy_n(std::begin(dataD), 10, std::begin(data2));
using difference_type_t = std::iterator_traits<Data*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_backward_pod_pointer)
{
int data1[10];
int data2[10];
int* pstl = std::copy_backward(std::begin(dataA), std::end(dataA), std::end(data1));
int* petl = etl::copy_backward(std::begin(dataA), std::end(dataA), std::end(data2));
using difference_type_t = std::iterator_traits<int*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_backward_non_pod_pointer)
{
Data data1[10];
Data data2[10];
Data* pstl = std::copy_backward(std::begin(dataD), std::end(dataD), std::end(data1));
Data* petl = etl::copy_backward(std::begin(dataD), std::end(dataD), std::end(data2));
using difference_type_t = std::iterator_traits<Data*>::difference_type;
difference_type_t dstl = std::distance(data1, pstl);
difference_type_t detl = std::distance(data2, petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(copy_backward_non_random_iterator)
{
List data1(dataL.size());
List data2(dataL.size());
List::iterator pstl = copy_backward(std::begin(dataA), std::end(dataA), std::end(data1));
List::iterator petl = etl::copy_backward(std::begin(dataA), std::end(dataA), std::end(data2));
using difference_type_t = std::iterator_traits<List::iterator>::difference_type;
difference_type_t dstl = std::distance(data1.begin(), pstl);
difference_type_t detl = std::distance(data2.begin(), petl);
CHECK_EQUAL(dstl, detl);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(test_reverse_even_non_pointer)
{
std::array<int, 10> data1 = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
std::array<int, 10> data2 = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
std::reverse(data1.begin(), data1.end());
etl::reverse(data2.begin(), data2.end());
bool isEqual = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_reverse_odd_non_pointer)
{
std::array<int, 9> data1 = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
std::array<int, 9> data2 = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
std::reverse(data1.begin(), data1.end());
etl::reverse(data2.begin(), data2.end());
bool isEqual = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_reverse_even_pointer)
{
int data1[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int data2[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
std::reverse(std::begin(data1), std::end(data1));
etl::reverse(std::begin(data2), std::end(data2));
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(test_reverse_odd_pointer)
{
int data1[9] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
int data2[9] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 };
std::reverse(std::begin(data1), std::end(data1));
etl::reverse(std::begin(data2), std::end(data2));
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(lower_bound_random_iterator)
{
for (int i = 0; i < 11; ++i)
{
int* lb1 = std::lower_bound(std::begin(dataS), std::end(dataS), i);
int* lb2 = etl::lower_bound(random_iterator<int>(std::begin(dataS)), random_iterator<int>(std::end(dataS)), i);
CHECK_EQUAL(lb1, lb2);
}
}
//*************************************************************************
TEST(lower_bound_non_random_iterator)
{
for (int i = 0; i < 11; ++i)
{
int* lb1 = std::lower_bound(std::begin(dataS), std::end(dataS), i);
int* lb2 = etl::lower_bound(non_random_iterator<int>(std::begin(dataS)), non_random_iterator<int>(std::end(dataS)), i);
CHECK_EQUAL(std::distance(std::begin(dataS), lb1), std::distance(std::begin(dataS), lb2));
}
}
//*************************************************************************
TEST(upper_bound_random_iterator)
{
for (int i = 0; i < 11; ++i)
{
int* lb1 = std::upper_bound(std::begin(dataS), std::end(dataS), i);
int* lb2 = etl::upper_bound(random_iterator<int>(std::begin(dataS)), random_iterator<int>(std::end(dataS)), i);
CHECK_EQUAL(std::distance(std::begin(dataS), lb1), std::distance(std::begin(dataS), lb2));
}
}
//*************************************************************************
TEST(upper_bound_non_random_iterator)
{
for (int i = 0; i < 11; ++i)
{
int* lb1 = std::upper_bound(std::begin(dataS), std::end(dataS), i);
int* lb2 = etl::upper_bound(non_random_iterator<int>(std::begin(dataS)), non_random_iterator<int>(std::end(dataS)), i);
CHECK_EQUAL(std::distance(std::begin(dataS), lb1), std::distance(std::begin(dataS), lb2));
}
}
//*************************************************************************
TEST(equal_range_random_iterator)
{
for (int i = 0; i < 11; ++i)
{
ETL_OR_STD::pair<int*, int*> lb1 = std::equal_range(std::begin(dataEQ), std::end(dataEQ), i);
ETL_OR_STD::pair<random_iterator<int>, random_iterator<int>> lb2 = etl::equal_range(random_iterator<int>(std::begin(dataEQ)), random_iterator<int>(std::end(dataEQ)), i);
CHECK_EQUAL(std::distance(std::begin(dataEQ), lb1.first), std::distance<int*>(std::begin(dataEQ), lb2.first));
CHECK_EQUAL(std::distance(lb1.first, lb1.second), std::distance<int*>(lb2.first, lb2.second));
}
}
//*************************************************************************
TEST(equal_range_non_random_iterator)
{
for (int i = 0; i < 11; ++i)
{
ETL_OR_STD::pair<int*, int*> lb1 = std::equal_range(std::begin(dataEQ), std::end(dataEQ), i);
ETL_OR_STD::pair<non_random_iterator<int>, non_random_iterator<int>> lb2 = etl::equal_range(non_random_iterator<int>(std::begin(dataEQ)), non_random_iterator<int>(std::end(dataEQ)), i);
CHECK_EQUAL(std::distance(std::begin(dataEQ), lb1.first), std::distance<int*>(std::begin(dataEQ), lb2.first));
CHECK_EQUAL(std::distance(lb1.first, lb1.second), std::distance<int*>(lb2.first, lb2.second));
}
}
//*************************************************************************
TEST(fill_non_char)
{
int data1[10];
int data2[10];
std::fill(std::begin(data1), std::end(data1), 0x12345678UL);
etl::fill(std::begin(data2), std::end(data2), 0x12345678UL);
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(fill_char)
{
unsigned char data1[10];
unsigned char data2[10];
std::fill(std::begin(data1), std::end(data1), char(0x12U));
etl::fill(std::begin(data2), std::end(data2), char(0x12U));
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(iter_swap)
{
int a = 1;
int b = 2;
etl::iter_swap(&a, &b);
CHECK_EQUAL(2, a);
CHECK_EQUAL(1, b);
}
//*************************************************************************
TEST(equal)
{
CHECK(etl::equal(std::begin(dataV), std::end(dataV), std::begin(dataL)));
CHECK(!etl::equal(std::begin(dataSL), std::end(dataSL), std::begin(dataL)));
int small[] = { dataS[0] };
CHECK(etl::equal(std::begin(dataV), std::end(dataV), std::begin(dataL), std::end(dataL)));
CHECK(!etl::equal(std::begin(dataS), std::end(dataS), std::begin(small), std::end(small)));
}
//*************************************************************************
TEST(lexicographical_compare)
{
std::string text1("Hello World");
std::string text2("Hello Xorld");
bool t1 = std::lexicographical_compare(text1.begin(), text1.end(), text2.begin(), text2.begin() + 7);
bool t2 = etl::lexicographical_compare(text1.begin(), text1.end(), text2.begin(), text2.begin() + 7);
CHECK(t1 == t2);
}
//*************************************************************************
TEST(lexicographical_compare_greater)
{
std::string text1("Hello World");
std::string text2("Hello Xorld");
bool t1 = std::lexicographical_compare(text1.begin(), text1.end(), text2.begin(), text2.begin() + 7, Greater());
bool t2 = etl::lexicographical_compare(text1.begin(), text1.end(), text2.begin(), text2.begin() + 7, Greater());
CHECK(t1 == t2);
}
//*************************************************************************
TEST(search)
{
std::string haystack = "ABCDFEGHIJKLMNOPQRSTUVWXYZ";
std::string needle = "KLMNO";
std::string::iterator itr1 = std::search(haystack.begin(), haystack.end(), needle.begin(), needle.begin());
std::string::iterator itr2 = etl::search(haystack.begin(), haystack.end(), needle.begin(), needle.begin());
CHECK(itr1 == itr2);
}
//*************************************************************************
TEST(search_predicate)
{
std::string haystack = "ABCDFEGHIJKLMNOPQRSTUVWXYZ";
std::string needle = "KLMNO";
std::string::iterator itr1 = std::search(haystack.begin(), haystack.end(), needle.begin(), needle.begin(), std::equal_to<char>());
std::string::iterator itr2 = etl::search(haystack.begin(), haystack.end(), needle.begin(), needle.begin(), std::equal_to<char>());
CHECK(itr1 == itr2);
}
//*************************************************************************
TEST(heap)
{
using Vector = std::vector<std::string>;
std::string a("A"), b("B"), c("C"), d("D"), e("E"), f("F"), g("G"), h("H"), i("I"), j("J");
Vector data1 = { a, b, c, d, e, f, g, h, i, j };
Vector data2 = { a, b, c, d, e, f, g, h, i, j };
std::make_heap(data1.begin(), data1.end());
etl::make_heap(data2.begin(), data2.end());
bool isEqual;
CHECK(std::is_heap(data2.begin(), data2.end()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
std::pop_heap(data1.begin(), data1.end());
etl::pop_heap(data2.begin(), data2.end());
data1.pop_back();
data2.pop_back();
CHECK(std::is_heap(data1.begin(), data1.end()));
CHECK(std::is_heap(data2.begin(), data2.end()));
CHECK_EQUAL(data1.size(), data2.size());
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
CHECK(std::is_heap(data2.begin(), data2.end()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
data1.push_back(std::string("K"));
data2.push_back(std::string("K"));
std::push_heap(data1.begin(), data1.end());
etl::push_heap(data2.begin(), data2.end());
CHECK(std::is_heap(data2.begin(), data2.end()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(heap_movable)
{
ItemM a("A"), b("B"), c("C"), d("D"), e("E"), f("F"), g("G"), h("H"), i("I"), j("J");
VectorM data1;
data1.emplace_back(std::move(b));
data1.emplace_back(std::move(a));
data1.emplace_back(std::move(d));
data1.emplace_back(std::move(c));
data1.emplace_back(std::move(f));
data1.emplace_back(std::move(e));
data1.emplace_back(std::move(h));
data1.emplace_back(std::move(g));
data1.emplace_back(std::move(j));
data1.emplace_back(std::move(i));
VectorM data2;
data2.emplace_back(ItemM("B"));
data2.emplace_back(ItemM("A"));
data2.emplace_back(ItemM("D"));
data2.emplace_back(ItemM("C"));
data2.emplace_back(ItemM("F"));
data2.emplace_back(ItemM("E"));
data2.emplace_back(ItemM("H"));
data2.emplace_back(ItemM("G"));
data2.emplace_back(ItemM("J"));
data2.emplace_back(ItemM("I"));
std::make_heap(data1.begin(), data1.end());
etl::make_heap(data2.begin(), data2.end());
bool isEqual;
CHECK(std::is_heap(data1.begin(), data1.end()));
CHECK(std::is_heap(data2.begin(), data2.end()));
CHECK_EQUAL(data1.size(), data2.size());
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
std::pop_heap(data1.begin(), data1.end());
etl::pop_heap(data2.begin(), data2.end());
data1.pop_back();
data2.pop_back();
CHECK(std::is_heap(data1.begin(), data1.end()));
CHECK(std::is_heap(data2.begin(), data2.end()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
CHECK(std::is_heap(data2.begin(), data2.end()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
data1.push_back(ItemM("K"));
data2.push_back(ItemM("K"));
std::push_heap(data1.begin(), data1.end());
etl::push_heap(data2.begin(), data2.end());
CHECK(std::is_heap(data2.begin(), data2.end()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(heap_greater)
{
Vector data1 = dataV;
Vector data2 = dataV;
std::make_heap(data1.begin(), data1.end(), Greater());
etl::make_heap(data2.begin(), data2.end(), Greater());
bool isEqual;
CHECK(std::is_heap(data2.begin(), data2.end(), Greater()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
std::pop_heap(data1.begin(), data1.end(), Greater());
etl::pop_heap(data2.begin(), data2.end(), Greater());
data1.pop_back();
data2.pop_back();
CHECK(std::is_heap(data1.begin(), data1.end(), Greater()));
CHECK(std::is_heap(data2.begin(), data2.end(), Greater()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
CHECK(std::is_heap(data2.begin(), data2.end(), Greater()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
data1.push_back(5);
data2.push_back(5);
std::push_heap(data1.begin(), data1.end(), Greater());
etl::push_heap(data2.begin(), data2.end(), Greater());
CHECK(std::is_heap(data2.begin(), data2.end(), Greater()));
isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
//*************************************************************************
TEST(find)
{
int* itr1 = std::find(std::begin(dataA), std::end(dataA), 5);
int* itr2 = etl::find(std::begin(dataA), std::end(dataA), 5);
CHECK(itr1 == itr2);
}
//*************************************************************************
TEST(find_if)
{
struct predicate
{
bool operator()(int i) const
{
return (i == 5);
}
};
int* itr1 = std::find_if(std::begin(dataA), std::end(dataA), predicate());
int* itr2 = etl::find_if(std::begin(dataA), std::end(dataA), predicate());
CHECK(itr1 == itr2);
}
//*************************************************************************
TEST(count)
{
size_t c1 = std::count(std::begin(dataEQ), std::end(dataEQ), 5);
size_t c2 = etl::count(std::begin(dataEQ), std::end(dataEQ), 5);
CHECK(c1 == c2);
}
//*************************************************************************
TEST(count_if)
{
struct predicate
{
bool operator()(int i) const
{
return (i == 5);
}
};
size_t c1 = std::count_if(std::begin(dataEQ), std::end(dataEQ), predicate());
size_t c2 = etl::count_if(std::begin(dataEQ), std::end(dataEQ), predicate());
CHECK(c1 == c2);
}
//*************************************************************************
TEST(fill_n)
{
(void) std::fill_n(std::begin(dataD1), SIZE, 5);
int* p2 = etl::fill_n(std::begin(dataD2), SIZE, 5);
CHECK(p2 == std::end(dataD2));
bool isEqual = std::equal(std::begin(dataD1), std::end(dataD1), std::begin(dataD2));
CHECK(isEqual);
}
//*************************************************************************
TEST(transform1)
{
struct Function
{
int operator()(int d) const
{
return d * 2;
}
};
(void) std::transform(std::begin(dataS), std::end(dataS), std::begin(dataD1), Function());
int* p2 = etl::transform(std::begin(dataS), std::end(dataS), std::begin(dataD2), Function());
CHECK(p2 == std::end(dataD2));
bool isEqual = std::equal(std::begin(dataD1), std::end(dataD1), std::begin(dataD2));
CHECK(isEqual);
}
//*************************************************************************
TEST(move)
{
typedef std::vector<std::unique_ptr<unsigned>> Data;
Data data1;
// Create some data.
std::unique_ptr<uint32_t> p1(new uint32_t(1U));
std::unique_ptr<uint32_t> p2(new uint32_t(2U));
std::unique_ptr<uint32_t> p3(new uint32_t(3U));
std::unique_ptr<uint32_t> p4(new uint32_t(4U));
std::unique_ptr<uint32_t> p5(new uint32_t(5U));
// Fill data1.
data1.push_back(std::move(p1));
data1.push_back(std::move(p2));
data1.push_back(std::move(p3));
data1.push_back(std::move(p4));
data1.push_back(std::move(p5));
Data data2;
// Move to data2.
etl::move(data1.begin(), data1.end(), std::back_inserter(data2));
// Old data now empty.
CHECK(!bool(p1));
CHECK(!bool(p2));
CHECK(!bool(p3));
CHECK(!bool(p4));
CHECK(!bool(p5));
CHECK_EQUAL(1U, *(data2[0]));
CHECK_EQUAL(2U, *(data2[1]));
CHECK_EQUAL(3U, *(data2[2]));
CHECK_EQUAL(4U, *(data2[3]));
CHECK_EQUAL(5U, *(data2[4]));
}
//*************************************************************************
TEST(move_backward)
{
typedef std::vector<std::unique_ptr<unsigned>> Data;
Data data1;
// Create some data.
std::unique_ptr<uint32_t> p1(new uint32_t(1U));
std::unique_ptr<uint32_t> p2(new uint32_t(2U));
std::unique_ptr<uint32_t> p3(new uint32_t(3U));
std::unique_ptr<uint32_t> p4(new uint32_t(4U));
std::unique_ptr<uint32_t> p5(new uint32_t(5U));
// Fill data1.
data1.push_back(std::move(p1));
data1.push_back(std::move(p2));
data1.push_back(std::move(p3));
data1.push_back(std::move(p4));
data1.push_back(std::move(p5));
Data data2;
// Create some data.
std::unique_ptr<uint32_t> p6(new uint32_t(6U));
std::unique_ptr<uint32_t> p7(new uint32_t(7U));
std::unique_ptr<uint32_t> p8(new uint32_t(8U));
std::unique_ptr<uint32_t> p9(new uint32_t(9U));
std::unique_ptr<uint32_t> p10(new uint32_t(10U));
// Fill data2.
data2.push_back(std::move(p6));
data2.push_back(std::move(p7));
data2.push_back(std::move(p8));
data2.push_back(std::move(p9));
data2.push_back(std::move(p10));
// Overwrite data2 with data1.
etl::move_backward(data1.begin(), data1.end(), data2.end());
// Old data now empty.
CHECK(!bool(p1));
CHECK(!bool(p2));
CHECK(!bool(p3));
CHECK(!bool(p4));
CHECK(!bool(p5));
CHECK_EQUAL(1U, *(data2[0]));
CHECK_EQUAL(2U, *(data2[1]));
CHECK_EQUAL(3U, *(data2[2]));
CHECK_EQUAL(4U, *(data2[3]));
CHECK_EQUAL(5U, *(data2[4]));
}
//*************************************************************************
TEST(rotate_pod)
{
std::vector<int> initial_data = { 1, 2, 3, 4, 5, 6, 7 };
for (size_t i = 0UL; i < initial_data.size(); ++i)
{
std::vector<int> data1(initial_data);
std::vector<int> data2(initial_data);
std::rotate(data1.data(), data1.data() + i, data1.data() + data1.size());
etl::rotate(data2.data(), data2.data() + i, data2.data() + data2.size());
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
}
//*************************************************************************
TEST(rotate_non_pod)
{
std::vector<NDC> initial_data = { NDC(1), NDC(2), NDC(3), NDC(4), NDC(5), NDC(6), NDC(7) };
for (size_t i = 0UL; i < initial_data.size(); ++i)
{
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::rotate(data1.data(), data1.data() + i, data1.data() + data1.size());
etl::rotate(data2.data(), data2.data() + i, data2.data() + data2.size());
bool isEqual = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(isEqual);
}
}
//*************************************************************************
TEST(any_of)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
bool expected = std::any_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
bool result = etl::any_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(expected, result);
expected = std::any_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 0));
result = etl::any_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 0));
CHECK_EQUAL(expected, result);
}
//*************************************************************************
TEST(all_of)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
bool expected = std::all_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 0));
bool result = etl::all_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 0));
CHECK_EQUAL(expected, result);
expected = std::all_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
result = etl::all_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(expected, result);
}
//*************************************************************************
TEST(none_of)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
bool expected = std::none_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 8));
bool result = etl::none_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 8));
CHECK_EQUAL(expected, result);
expected = std::none_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
result = etl::none_of(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(expected, result);
}
struct Compare
{
bool operator()(int a, int b) const
{
return a == b;
}
};
//*************************************************************************
TEST(is_permutation)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
int permutation[] = { 1, 3, 2, 4, 7, 6, 5, 8 };
int not_permutation[] = { 1, 2, 3, 4, 5, 6, 7, 7 };
bool is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(permutation));
CHECK(is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(not_permutation));
CHECK(!is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(permutation), etl::equal_to<int>());
CHECK(is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(not_permutation), etl::equal_to<int>());
CHECK(!is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(permutation), std::end(permutation));
CHECK(is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(not_permutation), std::end(not_permutation));
CHECK(!is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(permutation), std::end(permutation), etl::equal_to<int>());
CHECK(is_permutation);
is_permutation = etl::is_permutation(std::begin(data1), std::end(data1), std::begin(not_permutation), std::end(not_permutation), etl::equal_to<int>());
CHECK(!is_permutation);
}
//*************************************************************************
TEST(is_partitioned)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
bool expected = std::is_partitioned(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
bool result = etl::is_partitioned(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(expected, result);
std::partition(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
expected = std::is_partitioned(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
result = etl::is_partitioned(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(expected, result);
}
//*************************************************************************
TEST(partition_point)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
std::partition(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
int* partition1 = std::partition_point(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
int* partition2 = etl::partition_point(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(std::distance(std::begin(data1), partition1), std::distance(std::begin(data1), partition2));
std::partition(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 8));
partition1 = std::partition_point(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 0));
partition2 = etl::partition_point(std::begin(data1), std::end(data1), std::bind(std::greater<int>(), std::placeholders::_1, 0));
CHECK_EQUAL(std::distance(std::begin(data1), partition1), std::distance(std::begin(data1), partition2));
}
//*************************************************************************
TEST(partition_copy)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
int data2[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
int data3[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
int data4[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
int data5[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
std::partition_copy(std::begin(data1), std::end(data1), std::begin(data2), std::begin(data3), std::bind(std::greater<int>(), std::placeholders::_1, 4));
etl::partition_copy(std::begin(data1), std::end(data1), std::begin(data4), std::begin(data5), std::bind(std::greater<int>(), std::placeholders::_1, 4));
bool are_equal;
are_equal = std::equal(std::begin(data2), std::end(data2), std::begin(data4));
CHECK(are_equal);
are_equal = std::equal(std::begin(data3), std::end(data3), std::begin(data5));
CHECK(are_equal);
}
//*************************************************************************
TEST(find_if_not)
{
int data1[] = { 1, 2, 3, 5, 6, 7, 8 };
// Find the element not less than 4.
int* p = etl::find_if_not(std::begin(data1), std::end(data1), std::bind(std::less<int>(), std::placeholders::_1, 4));
CHECK_EQUAL(5, *p);
}
//*************************************************************************
TEST(copy_4_parameter_random_iterator)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int data2[] = { 1, 2, 3, 4, 5 };
int out1[10];
int out2[5];
int check1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int check2[] = { 1, 2, 3, 4, 5 };
int check3[] = { 1, 2, 3, 4, 5, 0, 0, 0, 0, 0 };
int* result;
// Same size.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_s(std::begin(data1), std::end(data1), std::begin(out1), std::end(out1));
CHECK_EQUAL(std::end(out1), result);
bool is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check1));
CHECK(is_same);
// Destination smaller.
std::fill(std::begin(out2), std::end(out2), 0);
result = etl::copy_s(std::begin(data1), std::end(data1), std::begin(out2), std::end(out2));
CHECK_EQUAL(std::end(out2), result);
is_same = std::equal(std::begin(out2), std::end(out2), std::begin(check2));
CHECK(is_same);
// Source smaller.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_s(std::begin(data2), std::end(data2), std::begin(out1), std::end(out1));
CHECK_EQUAL(std::begin(out1) + 5, result);
is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_4_parameter_non_random_iterator)
{
std::list<int> data1 = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
std::list<int> data2 = { 1, 2, 3, 4, 5 };
int out1[10];
int out2[5];
int check1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int check2[] = { 1, 2, 3, 4, 5 };
int check3[] = { 1, 2, 3, 4, 5, 0, 0, 0, 0, 0 };
int* result;
// Same size.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_s(std::begin(data1), std::end(data1), std::begin(out1), std::end(out1));
CHECK_EQUAL(std::end(out1), result);
bool is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check1));
CHECK(is_same);
// Destination smaller.
std::fill(std::begin(out2), std::end(out2), 0);
result = etl::copy_s(std::begin(data1), std::end(data1), std::begin(out2), std::end(out2));
CHECK_EQUAL(std::end(out2), result);
is_same = std::equal(std::begin(out2), std::end(out2), std::begin(check2));
CHECK(is_same);
// Source smaller.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_s(std::begin(data2), std::end(data2), std::begin(out1), std::end(out1));
CHECK_EQUAL(std::begin(out1) + 5, result);
is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_n_4_parameter)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int out1[10];
int out2[5];
int check1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int check2[] = { 1, 2, 3, 4, 5 };
int check3[] = { 1, 2, 3, 4, 5, 0, 0, 0, 0, 0 };
int* result;
// Same size.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_n_s(std::begin(data1), 10, std::begin(out1), std::end(out1));
CHECK_EQUAL(std::end(out1), result);
bool is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check1));
CHECK(is_same);
// Destination smaller.
std::fill(std::begin(out2), std::end(out2), 0);
result = etl::copy_n_s(std::begin(data1), 10, std::begin(out2), std::end(out2));
CHECK_EQUAL(std::end(out2), result);
is_same = std::equal(std::begin(out2), std::end(out2), std::begin(check2));
CHECK(is_same);
// Source smaller.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_n_s(std::begin(data1), 5, std::begin(out1), std::end(out1));
CHECK_EQUAL(std::begin(out1) + 5, result);
is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_2n_4_parameter)
{
int data1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int out1[10];
int out2[5];
int check1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int check2[] = { 1, 2, 3, 4, 5 };
int check3[] = { 1, 2, 3, 4, 5, 0, 0, 0, 0, 0 };
int* result;
// Same size.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_n_s(std::begin(data1), 10, std::begin(out1), 10);
CHECK_EQUAL(std::end(out1), result);
bool is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check1));
CHECK(is_same);
// Destination smaller.
std::fill(std::begin(out2), std::end(out2), 0);
result = etl::copy_n_s(std::begin(data1), 10, std::begin(out2), 5);
CHECK_EQUAL(std::end(out2), result);
is_same = std::equal(std::begin(out2), std::end(out2), std::begin(check2));
CHECK(is_same);
// Source smaller.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_n_s(std::begin(data1), 5, std::begin(out1), 10);
CHECK_EQUAL(std::begin(out1) + 5, result);
is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_n_if)
{
int data1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int data2[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int data3[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
// Copy everything less than 5.
int *pout = data2;
for (int* pin = std::begin(data1); pin != std::begin(data1) + 6; ++pin)
{
if (*pin < 5)
{
*pout++ = *pin;
}
}
etl::copy_n_if(std::begin(data1), 6, std::begin(data3), std::bind(std::less<int>(), std::placeholders::_1, 5));
bool is_same = std::equal(std::begin(data2), std::end(data2), std::begin(data3));
CHECK(is_same);
}
//*************************************************************************
TEST(copy_if_4_parameter)
{
int data1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int out1[4];
int out2[2];
int out3[10];
int check1[] = { 1, 2, 3, 4 };
int check2[] = { 1, 2 };
int check3[] = { 1, 2, 3, 4, 0, 0, 0, 0, 0, 0 };
int* result;
// Exact size.
std::fill(std::begin(out1), std::end(out1), 0);
result = etl::copy_if_s(std::begin(data1), std::end(data1), std::begin(out1), std::end(out1), std::bind(std::less<int>(), std::placeholders::_1, 5));
CHECK_EQUAL(std::end(out1), result);
bool is_same = std::equal(std::begin(out1), std::end(out1), std::begin(check1));
CHECK(is_same);
// Destination smaller.
std::fill(std::begin(out2), std::end(out2), 0);
result = etl::copy_if_s(std::begin(data1), std::end(data1), std::begin(out2), std::end(out2), std::bind(std::less<int>(), std::placeholders::_1, 5));
CHECK_EQUAL(std::end(out2), result);
is_same = std::equal(std::begin(out2), std::end(out2), std::begin(check2));
CHECK(is_same);
// Destination larger.
std::fill(std::begin(out3), std::end(out3), 0);
result = etl::copy_if_s(std::begin(data1), std::end(data1), std::begin(out3), std::end(out3), std::bind(std::less<int>(), std::placeholders::_1, 5));
CHECK_EQUAL(std::begin(out3) + 4, result);
is_same = std::equal(std::begin(out3), std::end(out3), std::begin(check3));
CHECK(is_same);
}
//*************************************************************************
TEST(binary_find)
{
int data1[] = { 1, 2, 3, 5, 6, 7, 8 };
// Find the element of value 5.
int* p = etl::binary_find(std::begin(data1), std::end(data1), 5);
CHECK_EQUAL(5, *p);
// Find the element of value 4.
p = etl::binary_find(std::begin(data1), std::end(data1), 4);
CHECK_EQUAL(std::end(data1), p);
}
//*************************************************************************
TEST(binary_find_StructDataPredicate_StructDataEquality)
{
Data data1[] = { { 1, 8 }, { 2, 7 }, { 3, 6 },{ 4, 5 },{ 5, 4 },{ 6, 3 },{ 7, 2 },{ 8, 1 } };
Data test1 = { 4, 5 };
Data test2 = { 9, 0 };
// Find the element of value 5.
Data* p = etl::binary_find(std::begin(data1), std::end(data1), test1, DataPredicate(), DataEquality());
CHECK_EQUAL(test1, *p);
// Find the element of value 4.
p = etl::binary_find(std::begin(data1), std::end(data1), test2, DataPredicate(), DataEquality());
CHECK_EQUAL(std::end(data1), p);
}
//*************************************************************************
TEST(for_each_if)
{
int data1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
struct Sum
{
Sum() : sum(0) { }
Sum& operator()(int i)
{
sum += i;
return *this;
}
int sum;
} accumulator;
// For each if everything less than 5.
accumulator = etl::for_each_if(std::begin(data1),
std::end(data1),
accumulator,
std::bind(std::less<int>(), std::placeholders::_1, 5));
CHECK_EQUAL(10, accumulator.sum);
}
//*************************************************************************
TEST(for_each_n)
{
int data1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int data2[] = { 2, 16, 4, 14, 6, 6, 4, 5, 10, 9 };
struct Multiply
{
void operator()(int& i)
{
i *= 2;
}
} multiplier;
etl::for_each_n(std::begin(data1), 5, multiplier);
bool are_equal = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(are_equal);
}
//*************************************************************************
TEST(for_each_n_if)
{
int data1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int data2[] = { 2, 8, 4, 7, 6, 6, 4, 5, 10, 9 };
struct Multiply
{
void operator()(int& i)
{
i *= 2;
}
} multiplier;
etl::for_each_n_if(std::begin(data1), 5, multiplier, std::bind(std::less<int>(), std::placeholders::_1, 5));
bool are_equal = std::equal(std::begin(data1), std::end(data1), std::begin(data2));
CHECK(are_equal);
}
//*************************************************************************
TEST(transform_4_parameter)
{
int input[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 16, 4, 14, 6, 0, 0, 0, 0, 0 };
// Double everything and copy to output.
etl::transform_s(std::begin(input),
std::end(input),
std::begin(output),
std::begin(output) + (std::size(output) / 2),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2));
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
std::fill(std::begin(output), std::end(output), 0);
etl::transform_s(std::begin(input),
std::begin(input) + (std::size(input) / 2),
std::begin(output),
std::end(output),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2));
is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_n_random_iterator)
{
int input[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 16, 4, 14, 6, 12, 8, 0, 0, 0 };
etl::transform_n(std::begin(input),
7,
std::begin(output),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2));
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_n_non_random_iterator)
{
std::list<int> input = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 16, 4, 14, 6, 12, 8, 0, 0, 0 };
etl::transform_n(std::begin(input),
7,
std::begin(output),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2));
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_n_two_ranges_random_iterator)
{
int input1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int input2[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 16, 4, 14, 6, 12, 8, 0, 0, 0 };
etl::transform_n(std::begin(input1),
std::begin(input2),
7,
std::begin(output),
std::plus<int>());
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_n_two_ranges_non_random_iterator)
{
std::list<int> input1 = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
std::list<int> input2 = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 16, 4, 14, 6, 12, 8, 0, 0, 0 };
etl::transform_n(std::begin(input1),
std::begin(input2),
7,
std::begin(output),
std::plus<int>());
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_if)
{
int input[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 4, 6, 8, 0, 0, 0, 0, 0, 0 };
// Double everything less than 5 and copy to output.
etl::transform_if(std::begin(input),
std::end(input),
std::begin(output),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2),
std::bind(std::less<int>(), std::placeholders::_1, 5));
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_if_2_input_ranges)
{
int input1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int input2[] = { 8, 7, 6, 5, 4, 10, 9, 3, 2, 1 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 8, 12, 12, 60, 36, 0, 0, 0, 0, 0 };
// Multiply together everything where input1 is less than input2 and copy to output.
etl::transform_if(std::begin(input1),
std::end(input1),
std::begin(input2),
std::begin(output),
std::multiplies<int>(),
std::less<int>());
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_n_if)
{
int input[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 2, 4, 6, 0, 0, 0, 0, 0, 0, 0 };
// Double everything less than 5 and copy to output.
etl::transform_n_if(std::begin(input),
5,
std::begin(output),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2),
std::bind(std::less<int>(), std::placeholders::_1, 5));
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(transform_n_if_2_input_ranges)
{
int input1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int input2[] = { 8, 7, 6, 5, 4, 10, 9, 3, 2, 1 };
int output[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare[] = { 8, 12, 12, 0, 0, 0, 0, 0, 0, 0 };
// Multiply together everything where input1 is less than input2 and copy to output.
etl::transform_n_if(std::begin(input1),
std::begin(input2),
5,
std::begin(output),
std::multiplies<int>(),
std::less<int>());
bool is_same = std::equal(std::begin(output), std::end(output), std::begin(compare));
CHECK(is_same);
}
//*************************************************************************
TEST(partition_transform)
{
int input[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int output_true[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int output_false[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare_true[] = { 2, 4, 6, 8, 0, 0, 0, 0, 0, 0 };
int compare_false[] = { -16, -14, -12, -10, -20, -18, 0, 0, 0, 0 };
// Multiply everything less than 5 by 2 and copy to output_true.
// Multiply everything not less than 5 by -2 and copy to output_false.
etl::partition_transform(std::begin(input),
std::end(input),
std::begin(output_true),
std::begin(output_false),
std::bind(std::multiplies<int>(), std::placeholders::_1, 2),
std::bind(std::multiplies<int>(), std::placeholders::_1, -2),
std::bind(std::less<int>(), std::placeholders::_1, 5));
bool is_same = std::equal(std::begin(output_true), std::end(output_true), std::begin(compare_true));
CHECK(is_same);
is_same = std::equal(std::begin(output_false), std::end(output_false), std::begin(compare_false));
CHECK(is_same);
}
//*************************************************************************
TEST(partition_transform_2_input_ranges)
{
int input1[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int input2[] = { 8, 7, 6, 5, 4, 10, 9, 3, 2, 1 };
int output_true[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int output_false[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int compare_true[] = { 8, 12, 12, 60, 36, 0, 0, 0, 0, 0 };
int compare_false[] = { 15, 12, 8, 12, 10, 0, 0, 0, 0, 0 };
// If input1 < input2 multiply else add.
etl::partition_transform(std::begin(input1),
std::end(input1),
std::begin(input2),
std::begin(output_true),
std::begin(output_false),
std::multiplies<int>(),
std::plus<int>(),
std::less<int>());
bool is_same = std::equal(std::begin(output_true), std::end(output_true), std::begin(compare_true));
CHECK(is_same);
is_same = std::equal(std::begin(output_false), std::end(output_false), std::begin(compare_false));
CHECK(is_same);
}
//*************************************************************************
TEST(sort_default)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::vector<int> data1 = data;
std::vector<int> data2 = data;
std::sort(data1.begin(), data1.end());
etl::sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(sort_greater)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::vector<int> data1 = data;
std::vector<int> data2 = data;
std::sort(data1.begin(), data1.end(), std::greater<int>());
etl::sort(data2.begin(), data2.end(), std::greater<int>());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(stable_sort_default)
{
std::vector<NDC> initial_data = { NDC(1, 1), NDC(2, 1), NDC(3, 1), NDC(2, 2), NDC(3, 2), NDC(4, 1), NDC(2, 3), NDC(3, 3), NDC(5, 1) };
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::stable_sort(data1.begin(), data1.end());
etl::stable_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin(), NDC::are_identical);
CHECK(is_same);
}
//*************************************************************************
TEST(stable_sort_greater)
{
std::vector<NDC> initial_data = { NDC(1, 1), NDC(2, 1), NDC(3, 1), NDC(2, 2), NDC(3, 2), NDC(4, 1), NDC(2, 3), NDC(3, 3), NDC(5, 1) };
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::stable_sort(data1.begin(), data1.end(), std::greater<NDC>());
etl::stable_sort(data2.begin(), data2.end(), std::greater<NDC>());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin(), NDC::are_identical);
CHECK(is_same);
}
//*************************************************************************
TEST(shell_sort_default)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::vector<int> data1 = data;
std::vector<int> data2 = data;
std::sort(data1.begin(), data1.end());
etl::shell_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(shell_sort_greater)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::vector<int> data1 = data;
std::vector<int> data2 = data;
std::sort(data1.begin(), data1.end(), std::greater<int>());
etl::shell_sort(data2.begin(), data2.end(), std::greater<int>());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(insertion_sort_default)
{
std::vector<NDC> initial_data = { NDC(1, 1), NDC(2, 1), NDC(3, 1), NDC(2, 2), NDC(3, 2), NDC(4, 1), NDC(2, 3), NDC(3, 3), NDC(5, 1) };
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::stable_sort(data1.begin(), data1.end());
etl::insertion_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin(), NDC::are_identical);
CHECK(is_same);
}
//*************************************************************************
TEST(insertion_sort_greater)
{
std::vector<NDC> initial_data = { NDC(1, 1), NDC(2, 1), NDC(3, 1), NDC(2, 2), NDC(3, 2), NDC(4, 1), NDC(2, 3), NDC(3, 3), NDC(5, 1) };
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::stable_sort(data1.begin(), data1.end(), std::greater<NDC>());
etl::insertion_sort(data2.begin(), data2.end(), std::greater<NDC>());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin(), NDC::are_identical);
CHECK(is_same);
}
//*************************************************************************
TEST(selection_sort_default_forward_iterators)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::forward_list<int> data1(data.begin(), data.end());
std::forward_list<int> data2(data.begin(), data.end());
data1.sort();
etl::selection_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(selection_sort_default_bidirectional_iterators)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::list<int> data1(data.begin(), data.end());
std::list<int> data2(data.begin(), data.end());
data1.sort();
etl::selection_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(selection_sort_default_random_access_iterators)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::vector<int> data1 = data;
std::vector<int> data2 = data;
std::sort(data1.begin(), data1.end());
etl::selection_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(selection_sort_greater)
{
std::vector<int> data(100, 0);
std::iota(data.begin(), data.end(), 1);
for (int i = 0; i < 100; ++i)
{
std::shuffle(data.begin(), data.end(), urng);
std::vector<int> data1 = data;
std::vector<int> data2 = data;
std::sort(data1.begin(), data1.end(), std::greater<int>());
etl::selection_sort(data2.begin(), data2.end(), std::greater<int>());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
}
//*************************************************************************
TEST(heap_sort_default)
{
std::vector<NDC> initial_data = { NDC(1, 1), NDC(2, 1), NDC(3, 1), NDC(2, 2), NDC(3, 2), NDC(4, 1), NDC(2, 3), NDC(3, 3), NDC(5, 1) };
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::sort(data1.begin(), data1.end());
etl::heap_sort(data2.begin(), data2.end());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
//*************************************************************************
TEST(heap_sort_greater)
{
std::vector<NDC> initial_data = { NDC(1, 1), NDC(2, 1), NDC(3, 1), NDC(2, 2), NDC(3, 2), NDC(4, 1), NDC(2, 3), NDC(3, 3), NDC(5, 1) };
std::vector<NDC> data1(initial_data);
std::vector<NDC> data2(initial_data);
std::sort(data1.begin(), data1.end(), std::greater<NDC>());
etl::heap_sort(data2.begin(), data2.end(), std::greater<NDC>());
bool is_same = std::equal(data1.begin(), data1.end(), data2.begin());
CHECK(is_same);
}
//*************************************************************************
TEST(multimax)
{
CHECK_EQUAL(8, etl::multimax(1, 2, 3, 4, 5, 6, 7, 8));
CHECK_EQUAL(8, etl::multimax_compare(std::less<int>(), 1, 2, 3, 4, 5, 6, 7, 8));
CHECK_EQUAL(1, etl::multimax_compare(std::greater<int>(), 1, 2, 3, 4, 5, 6, 7, 8));
int temp[etl::multimax(1, 2, 3, 4, 5, 6, 7, 8)] = { 1, 2, 3, 4, 5, 6, 7, 8 };
(void)temp;
}
//*************************************************************************
TEST(multimax_iter)
{
int i[8] = { 1, 2, 3, 4, 5, 6, 7, 8 };
CHECK_EQUAL(8, *etl::multimax_iter(&i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6], &i[7]));
CHECK_EQUAL(8, *etl::multimax_iter_compare(std::less<int>(), &i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6], &i[7]));
CHECK_EQUAL(1, *etl::multimax_iter_compare(std::greater<int>(), &i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6], &i[7]));
}
//*************************************************************************
TEST(multimin)
{
CHECK_EQUAL(1, etl::multimin(1, 2, 3, 4, 5, 6, 7, 8));
CHECK_EQUAL(1, etl::multimin_compare(std::less<int>(), 1, 2, 3, 4, 5, 6, 7, 8));
CHECK_EQUAL(8, etl::multimin_compare(std::greater<int>(), 1, 2, 3, 4, 5, 6, 7, 8));
}
//*************************************************************************
TEST(multimin_iter)
{
int i[8] = { 1, 2, 3, 4, 5, 6, 7, 8 };
CHECK_EQUAL(1, *etl::multimin_iter(&i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6], &i[7]));
CHECK_EQUAL(1, *etl::multimin_iter_compare(std::less<int>(), &i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6], &i[7]));
CHECK_EQUAL(8, *etl::multimin_iter_compare(std::greater<int>(), &i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6], &i[7]));
}
//*************************************************************************
TEST(replace)
{
int data[] = { 1, 8, 2, 7, 2, 6, 2, 2, 10, 9 };
int expected[] = { 1, 8, 0, 7, 0, 6, 0, 0, 10, 9 };
// Replace 2 with 0
etl::replace(std::begin(data), std::end(data), 2, 0);
bool is_same = std::equal(std::begin(data), std::end(data), std::begin(expected));
CHECK(is_same);
}
//*************************************************************************
TEST(replace_if)
{
int data[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
int expected[] = { 0, 8, 0, 7, 0, 6, 0, 0, 10, 9 };
// Replace <=5 with 0
etl::replace_if(std::begin(data), std::end(data), std::bind(std::less_equal<int>(), std::placeholders::_1, 5), 0);
bool is_same = std::equal(std::begin(data), std::end(data), std::begin(expected));
CHECK(is_same);
}
//*************************************************************************
TEST(for_each)
{
int data[] = { 1, 8, 2, 7, 3, 6, 4, 5, 10, 9 };
struct Sum
{
void operator()(int i)
{
value += i;
}
Sum()
: value(0)
{
}
int value;
};
Sum sum;
sum = etl::for_each(std::begin(data), std::end(data), sum);
CHECK_EQUAL(std::accumulate(std::begin(data), std::end(data), 0), sum.value);
}
//*************************************************************************
TEST(remove)
{
std::array<int, 10> data = { 1, 8, 2, 7, 7, 7, 4, 5, 10, 9 };
std::array<int, 7> expected = { 1, 8, 2, 4, 5, 10, 9 };
etl::remove(data.begin(), data.end(), 7);
bool is_same = std::equal(expected.begin(), expected.end(), data.begin());
CHECK(is_same);
}
//*************************************************************************
TEST(remove_if)
{
std::array<int, 10> data = { 1, 8, 2, 7, 7, 7, 4, 5, 10, 9 };
std::array<int, 4> expected = { 1, 2, 4, 5 };
etl::remove_if(data.begin(), data.end(), [](int value) { return value >= 7; });
bool is_same = std::equal(expected.begin(), expected.end(), data.begin());
CHECK(is_same);
}
};
}