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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
//
// <string_view>
// [string.view.capacity], capacity
// constexpr size_type size() const noexcept;
// constexpr size_type length() const noexcept;
// constexpr size_type max_size() const noexcept;
// constexpr bool empty() const noexcept;
#include "unittest.hpp"
#include <libpmemobj++/string_view.hpp>
template <typename SV>
void
test1()
{
{
constexpr SV sv1;
static_assert(sv1.size() == 0, "");
static_assert(sv1.empty(), "");
static_assert(sv1.size() == sv1.length(), "");
static_assert(sv1.max_size() > sv1.size(), "");
}
{
SV sv1;
static_assert(noexcept(sv1.size()),
"Operation must be noexcept");
static_assert(noexcept(sv1.empty()),
"Operation must be noexcept");
static_assert(noexcept(sv1.max_size()),
"Operation must be noexcept");
static_assert(noexcept(sv1.length()),
"Operation must be noexcept");
UT_ASSERT(sv1.size() == 0);
UT_ASSERT(sv1.empty());
UT_ASSERT(sv1.size() == sv1.length());
UT_ASSERT(sv1.max_size() > sv1.size());
}
}
template <typename CharT>
void
test2(const CharT *s, size_t len)
{
{
pmem::obj::basic_string_view<CharT> sv1(s);
UT_ASSERT(sv1.size() == len);
UT_ASSERT(sv1.data() == s);
UT_ASSERT(sv1.empty() == (len == 0));
UT_ASSERT(sv1.size() == sv1.length());
UT_ASSERT(sv1.max_size() > sv1.size());
}
}
static void
run()
{
test1<pmem::obj::string_view>();
test1<pmem::obj::u16string_view>();
test1<pmem::obj::u32string_view>();
test1<pmem::obj::wstring_view>();
test2("ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
105);
test2("ABCDE", 5);
test2("a", 1);
test2("", 0);
test2(L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
105);
test2(L"ABCDE", 5);
test2(L"a", 1);
test2(L"", 0);
test2(u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
105);
test2(u"ABCDE", 5);
test2(u"a", 1);
test2(u"", 0);
test2(U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE",
105);
test2(U"ABCDE", 5);
test2(U"a", 1);
test2(U"", 0);
}
int
main(int argc, char *argv[])
{
return run_test([&] { run(); });
}
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