64 lines
2.2 KiB
C++
64 lines
2.2 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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#ifndef SUPPORT_TEST_MAKE_STRING_H
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#define SUPPORT_TEST_MAKE_STRING_H
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#include "test_macros.h"
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#if TEST_STD_VER < 11
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#error This header requires C++11 or greater
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#endif
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#include <string>
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#if TEST_STD_VER > 17 && defined(__cpp_char8_t)
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#define CHAR8_ONLY(x) x,
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#else
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#define CHAR8_ONLY(x)
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#endif
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#define MKSTR(Str) \
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{ \
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Str, TEST_CONCAT(L, Str), \
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CHAR8_ONLY(TEST_CONCAT(u8, Str)) TEST_CONCAT(u, Str), \
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TEST_CONCAT(U, Str) \
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}
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struct MultiStringType {
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const char* s;
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const wchar_t* w;
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#if TEST_STD_VER > 17 && defined(__cpp_char8_t)
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const char8_t* u8;
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#endif
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const char16_t* u16;
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const char32_t* u32;
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constexpr operator const char*() const { return s; }
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constexpr operator const wchar_t*() const { return w; }
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#if TEST_STD_VER > 17 && defined(__cpp_char8_t)
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constexpr operator const char8_t*() const { return u8; }
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#endif
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constexpr operator const char16_t*() const { return u16; }
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constexpr operator const char32_t*() const { return u32; }
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};
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// Helper to convert a const char* string to a basic_string<CharT>.
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// This helper is used in unit tests to make them generic. The input should be
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// valid ASCII which means the input is also valid UTF-8.
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#define MAKE_STRING(CharT, Str) \
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std::basic_string<CharT> { \
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static_cast<const CharT*>(MultiStringType MKSTR(Str)) \
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}
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// Like MAKE_STRING but converts to a const CharT*.
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#define MAKE_CSTRING(CharT, Str) \
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static_cast<const CharT*>(MultiStringType MKSTR(Str))
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#endif
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