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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
//
//===----------------------------------------------------------------------===//
//
// Copyright 2020, Intel Corporation
//
// Modified to test pmem::obj containers
//
// NOTE: Older versions of clang have a bug where they fail to evaluate
// string_view::at as a constant expression.
// XFAIL: clang-3.4, clang-3.3
// <string_view>
// constexpr const _CharT& at(size_type _pos) const;
#include "unittest.hpp"
#include <libpmemobj++/string_view.hpp>
template <typename CharT>
void
test(const CharT *s, size_t len)
{
pmem::obj::basic_string_view<CharT> sv(s, len);
UT_ASSERT(sv.length() == len);
for (size_t i = 0; i < len; ++i) {
UT_ASSERT(sv.at(i) == s[i]);
UT_ASSERT(&sv.at(i) == s + i);
}
try {
(void)sv.at(len);
} catch (const std::out_of_range &) {
return;
}
UT_ASSERT(false);
}
static void
run()
{
test("ABCDE", 5);
test("a", 1);
test(L"ABCDE", 5);
test(L"a", 1);
test(u"ABCDE", 5);
test(u"a", 1);
test(U"ABCDE", 5);
test(U"a", 1);
}
int
main(int argc, char *argv[])
{
return run_test([&] { run(); });
}
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