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
117 lines
3.0 KiB
C++
117 lines
3.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Note: libc++ supports string_view before C++17, but literals were introduced in C++14
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// UNSUPPORTED: c++03, c++11
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// UNSUPPORTED: !stdlib=libc++ && c++14
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#include <string_view>
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#include <cassert>
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#include "test_macros.h"
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#ifndef TEST_HAS_NO_CHAR8_T
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typedef std::u8string_view u8string_view;
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#else
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typedef std::string_view u8string_view;
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#endif
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int main(int, char**) {
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{
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using namespace std::literals::string_view_literals;
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ASSERT_SAME_TYPE(decltype("Hi"sv), std::string_view);
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ASSERT_SAME_TYPE(decltype(u8"Hi"sv), u8string_view);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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ASSERT_SAME_TYPE(decltype(L"Hi"sv), std::wstring_view);
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#endif
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ASSERT_SAME_TYPE(decltype(u"Hi"sv), std::u16string_view);
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ASSERT_SAME_TYPE(decltype(U"Hi"sv), std::u32string_view);
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std::string_view foo;
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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std::wstring_view Lfoo;
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#endif
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u8string_view u8foo;
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std::u16string_view ufoo;
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std::u32string_view Ufoo;
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foo = ""sv;
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assert(foo.size() == 0);
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u8foo = u8""sv;
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assert(u8foo.size() == 0);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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Lfoo = L""sv;
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assert(Lfoo.size() == 0);
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#endif
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ufoo = u""sv;
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assert(ufoo.size() == 0);
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Ufoo = U""sv;
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assert(Ufoo.size() == 0);
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foo = " "sv;
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assert(foo.size() == 1);
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u8foo = u8" "sv;
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assert(u8foo.size() == 1);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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Lfoo = L" "sv;
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assert(Lfoo.size() == 1);
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#endif
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ufoo = u" "sv;
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assert(ufoo.size() == 1);
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Ufoo = U" "sv;
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assert(Ufoo.size() == 1);
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foo = "ABC"sv;
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assert(foo == "ABC");
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assert(foo == std::string_view("ABC"));
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u8foo = u8"ABC"sv;
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assert(u8foo == u8"ABC");
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assert(u8foo == u8string_view(u8"ABC"));
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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Lfoo = L"ABC"sv;
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assert(Lfoo == L"ABC");
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assert(Lfoo == std::wstring_view(L"ABC"));
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#endif
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ufoo = u"ABC"sv;
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assert(ufoo == u"ABC");
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assert(ufoo == std::u16string_view(u"ABC"));
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Ufoo = U"ABC"sv;
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assert(Ufoo == U"ABC");
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assert(Ufoo == std::u32string_view(U"ABC"));
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static_assert("ABC"sv.size() == 3, "");
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static_assert(u8"ABC"sv.size() == 3, "");
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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static_assert(L"ABC"sv.size() == 3, "");
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#endif
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static_assert(u"ABC"sv.size() == 3, "");
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static_assert(U"ABC"sv.size() == 3, "");
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ASSERT_NOEXCEPT("ABC"sv);
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ASSERT_NOEXCEPT(u8"ABC"sv);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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ASSERT_NOEXCEPT(L"ABC"sv);
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#endif
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ASSERT_NOEXCEPT(u"ABC"sv);
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ASSERT_NOEXCEPT(U"ABC"sv);
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}
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{
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using namespace std::literals;
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std::string_view foo = ""sv;
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assert(foo.length() == 0);
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}
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{
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using namespace std;
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std::string_view foo = ""sv;
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assert(foo.length() == 0);
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}
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return 0;
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}
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