1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// <algorithm>
// template <class PopulationIterator, class SampleIterator, class Distance,
// class UniformRandomNumberGenerator>
// SampleIterator sample(PopulationIterator first, PopulationIterator last,
// SampleIterator out, Distance n,
// UniformRandomNumberGenerator &&g);
#include <algorithm>
#include <random>
#include <cassert>
#include "test_iterators.h"
template <class PopulationIterator, class SampleIterator> void test() {
int ia[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
const unsigned is = sizeof(ia) / sizeof(ia[0]);
const unsigned os = 4;
int oa[os];
std::minstd_rand g;
std::sample(PopulationIterator(ia), PopulationIterator(ia + is),
SampleIterator(oa), os, g);
}
int main(int, char**) {
// expected-error-re@*:* {{static assertion failed{{( due to requirement '.*')?}}{{.*}}SampleIterator must meet the requirements of RandomAccessIterator}}
// expected-error@*:* 2 {{does not provide a subscript operator}}
// expected-error@*:* {{invalid operands}}
test<cpp17_input_iterator<int *>, cpp17_output_iterator<int *> >();
return 0;
}
|
