eb1ceb17ae
Many tests in `libcxx/test/std/strings` use `#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L` which can be replaced with the more terse `#ifndef TEST_HAS_NO_CHAR8_T`. Differential Revision: https://reviews.llvm.org/D132626
79 lines
2.5 KiB
C++
79 lines
2.5 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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// UNSUPPORTED: c++03, c++11
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#include <string>
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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 u8string;
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#else
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typedef std::string u8string;
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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_literals;
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ASSERT_SAME_TYPE(decltype( "Hi"s), std::string);
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ASSERT_SAME_TYPE(decltype(u8"Hi"s), u8string);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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ASSERT_SAME_TYPE(decltype( L"Hi"s), std::wstring);
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#endif
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ASSERT_SAME_TYPE(decltype( u"Hi"s), std::u16string);
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ASSERT_SAME_TYPE(decltype( U"Hi"s), std::u32string);
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std::string foo;
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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std::wstring Lfoo;
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#endif
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u8string u8foo;
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std::u16string ufoo;
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std::u32string Ufoo;
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foo = ""s; assert( foo.size() == 0);
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u8foo = u8""s; assert(u8foo.size() == 0);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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Lfoo = L""s; assert( Lfoo.size() == 0);
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#endif
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ufoo = u""s; assert( ufoo.size() == 0);
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Ufoo = U""s; assert( Ufoo.size() == 0);
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foo = " "s; assert( foo.size() == 1);
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u8foo = u8" "s; assert(u8foo.size() == 1);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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Lfoo = L" "s; assert( Lfoo.size() == 1);
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#endif
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ufoo = u" "s; assert( ufoo.size() == 1);
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Ufoo = U" "s; assert( Ufoo.size() == 1);
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foo = "ABC"s; assert( foo == "ABC"); assert( foo == std::string ( "ABC"));
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u8foo = u8"ABC"s; assert(u8foo == u8"ABC"); assert(u8foo == u8string (u8"ABC"));
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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Lfoo = L"ABC"s; assert( Lfoo == L"ABC"); assert( Lfoo == std::wstring ( L"ABC"));
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#endif
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ufoo = u"ABC"s; assert( ufoo == u"ABC"); assert( ufoo == std::u16string( u"ABC"));
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Ufoo = U"ABC"s; assert( Ufoo == U"ABC"); assert( Ufoo == std::u32string( U"ABC"));
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}
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{
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using namespace std::literals;
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std::string foo = ""s;
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assert(foo == std::string());
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}
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{
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using namespace std;
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std::string foo = ""s;
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assert(foo == std::string());
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}
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return 0;
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}
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