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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
//===----------------------------------------------------------------------===//
//
// 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, c++17
// UNSUPPORTED: libcpp-no-concepts
// UNSUPPORTED: gcc-10
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
// class std::ranges::subrange;
#include <ranges>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#include "../subrange_test_types.h"
constexpr bool test() {
std::ranges::subrange<int*> a(globalBuff, globalBuff + 8, 8);
auto a1 = a.next();
assert(a1.begin() == globalBuff + 1);
assert(a1.size() == 7);
auto a5 = a.next(5);
assert(a5.begin() == globalBuff + 5);
assert(a5.size() == 3);
auto a4 = a5.prev();
assert(a4.begin() == globalBuff + 4);
assert(a4.size() == 4);
std::ranges::subrange<InputIter> b(InputIter(globalBuff), InputIter(globalBuff + 8));
auto b1 = std::move(b).next();
assert(b1.begin().base() == globalBuff + 1);
std::ranges::subrange<BidirIter> c(BidirIter(globalBuff + 4), BidirIter(globalBuff + 8));
auto c1 = c.prev();
assert(c1.begin().base() == globalBuff + 3);
auto c2 = c.prev(4);
assert(c2.begin().base() == globalBuff);
std::ranges::subrange<BidirIter> d(BidirIter(globalBuff + 4), BidirIter(globalBuff + 8));
auto d1 = d.advance(4);
assert(d1.begin().base() == globalBuff + 8);
assert(d1.empty());
auto d2 = d1.advance(-4);
assert(d2.begin().base() == globalBuff + 4);
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
|
