a40bada91a
This applies clang-format to the std::string unit tests in preparation for landing https://reviews.llvm.org/D140550. Differential Revision: https://reviews.llvm.org/D140612
101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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: !stdlib=libc++ && (c++03 || c++11 || c++14)
|
|
|
|
// <string_view>
|
|
|
|
// const_iterator rbegin() const;
|
|
|
|
#include <string_view>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
template <class S>
|
|
void test(S s) {
|
|
const S& cs = s;
|
|
typename S::reverse_iterator b = s.rbegin();
|
|
typename S::const_reverse_iterator cb1 = cs.rbegin();
|
|
typename S::const_reverse_iterator cb2 = s.crbegin();
|
|
if (!s.empty()) {
|
|
const std::size_t last = s.size() - 1;
|
|
assert(*b == s[last]);
|
|
assert(&*b == &s[last]);
|
|
assert(*cb1 == s[last]);
|
|
assert(&*cb1 == &s[last]);
|
|
assert(*cb2 == s[last]);
|
|
assert(&*cb2 == &s[last]);
|
|
}
|
|
assert(b == cb1);
|
|
assert(b == cb2);
|
|
assert(cb1 == cb2);
|
|
}
|
|
|
|
int main(int, char**) {
|
|
typedef std::string_view string_view;
|
|
#ifndef TEST_HAS_NO_CHAR8_T
|
|
typedef std::u8string_view u8string_view;
|
|
#endif
|
|
typedef std::u16string_view u16string_view;
|
|
typedef std::u32string_view u32string_view;
|
|
|
|
test(string_view());
|
|
test(u16string_view());
|
|
test(u32string_view());
|
|
test(string_view("123"));
|
|
#ifndef TEST_HAS_NO_CHAR8_T
|
|
test(u8string_view{u8"123"});
|
|
#endif
|
|
#if TEST_STD_VER >= 11
|
|
test(u16string_view{u"123"});
|
|
test(u32string_view{U"123"});
|
|
#endif
|
|
|
|
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
|
|
typedef std::wstring_view wstring_view;
|
|
test(wstring_view());
|
|
test(wstring_view(L"123"));
|
|
#endif
|
|
|
|
#if TEST_STD_VER > 14
|
|
{
|
|
constexpr string_view sv{"123", 3};
|
|
# ifndef TEST_HAS_NO_CHAR8_T
|
|
constexpr u8string_view u8sv{u8"123", 3};
|
|
# endif
|
|
constexpr u16string_view u16sv{u"123", 3};
|
|
constexpr u32string_view u32sv{U"123", 3};
|
|
|
|
static_assert(*sv.rbegin() == sv[2], "");
|
|
# ifndef TEST_HAS_NO_CHAR8_T
|
|
static_assert(*u8sv.rbegin() == u8sv[2], "");
|
|
# endif
|
|
static_assert(*u16sv.rbegin() == u16sv[2], "");
|
|
static_assert(*u32sv.rbegin() == u32sv[2], "");
|
|
|
|
static_assert(*sv.crbegin() == sv[2], "");
|
|
# ifndef TEST_HAS_NO_CHAR8_T
|
|
static_assert(*u8sv.crbegin() == u8sv[2], "");
|
|
# endif
|
|
static_assert(*u16sv.crbegin() == u16sv[2], "");
|
|
static_assert(*u32sv.crbegin() == u32sv[2], "");
|
|
|
|
# ifndef TEST_HAS_NO_WIDE_CHARACTERS
|
|
{
|
|
constexpr wstring_view wsv{L"123", 3};
|
|
static_assert(*wsv.rbegin() == wsv[2], "");
|
|
static_assert(*wsv.crbegin() == wsv[2], "");
|
|
}
|
|
# endif
|
|
}
|
|
#endif // TEST_STD_VER > 14
|
|
|
|
return 0;
|
|
}
|