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//===----------------------------------------------------------------------===//
//
// 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
// constexpr W operator[](difference_type n) const
// requires advanceable<W>;
#include <ranges>
#include <cassert>
#include "test_macros.h"
#include "../types.h"
template<class T>
constexpr void testType() {
{
std::ranges::iota_view<T> io(T(0));
auto iter = io.begin();
for (int i = 0; i < 100; ++i)
assert(iter[i] == T(i));
}
{
std::ranges::iota_view<T> io(T(10));
auto iter = io.begin();
for (int i = 0; i < 100; ++i)
assert(iter[i] == T(i + 10));
}
{
const std::ranges::iota_view<T> io(T(0));
auto iter = io.begin();
for (int i = 0; i < 100; ++i)
assert(iter[i] == T(i));
}
{
const std::ranges::iota_view<T> io(T(10));
auto iter = io.begin();
for (int i = 0; i < 100; ++i)
assert(iter[i] == T(i + 10));
}
}
constexpr bool test() {
testType<SomeInt>();
testType<signed long>();
testType<unsigned long>();
testType<int>();
testType<unsigned>();
testType<short>();
testType<unsigned short>();
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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