87 lines
3.5 KiB
C++
87 lines
3.5 KiB
C++
|
//===----------------------------------------------------------------------===//
|
|||
|
|
//
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
|
|||
|
|
//
|
|||
|
|
// This file is distributed under the University of Illinois Open Source
|
|||
|
|
// License. See LICENSE.TXT for details.
|
|||
|
|
//
|
|||
|
|
//===----------------------------------------------------------------------===//
|
|||
|
|
|
|||
|
|
// <algorithm>
|
|||
|
|
|
|||
|
|
// template<ForwardIterator Iter1, ForwardIterator Iter2,
|
|||
|
|
// Predicate<auto, Iter1::value_type, Iter2::value_type> Pred>
|
|||
|
|
// requires CopyConstructible<Pred>
|
|||
|
|
// Iter1
|
|||
|
|
// find_end(Iter1 first1, Iter1 last1, Iter2 first2, Iter2 last2, Pred pred);
|
|||
|
|
|
|||
|
|
#include <algorithm>
|
|||
|
|
#include <cassert>
|
|||
|
|
|
|||
|
|
#include "../../iterators.h"
|
|||
|
|
|
|||
|
|
struct count_equal
|
|||
|
|
{
|
|||
|
|
static unsigned count;
|
|||
|
|
template <class T>
|
|||
|
|
bool operator()(const T& x, const T& y)
|
|||
|
|
{++count; return x == y;}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
unsigned count_equal::count = 0;
|
|||
|
|
|
|||
|
|
template <class Iter1, class Iter2>
|
|||
|
|
void
|
|||
|
|
test()
|
|||
|
|
{
|
|||
|
|
int ia[] = {0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 0, 1, 2, 3, 0, 1, 2, 0, 1, 0};
|
|||
|
|
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
|
|||
|
|
int b[] = {0};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(b), Iter2(b+1), count_equal()) == Iter1(ia+sa-1));
|
|||
|
|
assert(count_equal::count <= 1*(sa-1+1));
|
|||
|
|
int c[] = {0, 1};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(c), Iter2(c+2), count_equal()) == Iter1(ia+18));
|
|||
|
|
assert(count_equal::count <= 2*(sa-2+1));
|
|||
|
|
int d[] = {0, 1, 2};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(d), Iter2(d+3), count_equal()) == Iter1(ia+15));
|
|||
|
|
assert(count_equal::count <= 3*(sa-3+1));
|
|||
|
|
int e[] = {0, 1, 2, 3};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(e), Iter2(e+4), count_equal()) == Iter1(ia+11));
|
|||
|
|
assert(count_equal::count <= 4*(sa-4+1));
|
|||
|
|
int f[] = {0, 1, 2, 3, 4};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(f), Iter2(f+5), count_equal()) == Iter1(ia+6));
|
|||
|
|
assert(count_equal::count <= 5*(sa-5+1));
|
|||
|
|
int g[] = {0, 1, 2, 3, 4, 5};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(g), Iter2(g+6), count_equal()) == Iter1(ia));
|
|||
|
|
assert(count_equal::count <= 6*(sa-6+1));
|
|||
|
|
int h[] = {0, 1, 2, 3, 4, 5, 6};
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(h), Iter2(h+7), count_equal()) == Iter1(ia+sa));
|
|||
|
|
assert(count_equal::count <= 7*(sa-7+1));
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia+sa), Iter2(b), Iter2(b), count_equal()) == Iter1(ia+sa));
|
|||
|
|
assert(count_equal::count <= 0);
|
|||
|
|
count_equal::count = 0;
|
|||
|
|
assert(std::find_end(Iter1(ia), Iter1(ia), Iter2(b), Iter2(b+1), count_equal()) == Iter1(ia));
|
|||
|
|
assert(count_equal::count <= 0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int main()
|
|||
|
|
{
|
|||
|
|
test<forward_iterator<const int*>, forward_iterator<const int*> >();
|
|||
|
|
test<forward_iterator<const int*>, bidirectional_iterator<const int*> >();
|
|||
|
|
test<forward_iterator<const int*>, random_access_iterator<const int*> >();
|
|||
|
|
test<bidirectional_iterator<const int*>, forward_iterator<const int*> >();
|
|||
|
|
test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*> >();
|
|||
|
|
test<bidirectional_iterator<const int*>, random_access_iterator<const int*> >();
|
|||
|
|
test<random_access_iterator<const int*>, forward_iterator<const int*> >();
|
|||
|
|
test<random_access_iterator<const int*>, bidirectional_iterator<const int*> >();
|
|||
|
|
test<random_access_iterator<const int*>, random_access_iterator<const int*> >();
|
|||
|
|
}
|