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244033db8b
The clang assertion causing these tests failing with sanitizer is fixed in r295794. All the bots running libcxx tests should be upgraded and running the compiler with the fix. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@296385 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// UNSUPPORTED: libcpp-no-deduction-guides
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// <string_view>
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// Test that the constructors offered by std::basic_string_view are formulated
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// so they're compatible with implicit deduction guides.
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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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#include "constexpr_char_traits.hpp"
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// Overloads
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// ---------------
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// (1) basic_string_view() - NOT TESTED
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// (2) basic_string_view(const basic_string_view&)
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// (3) basic_string_view(const CharT*, size_type)
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// (4) basic_string_view(const CharT*)
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int main()
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{
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{ // Testing (1)
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// Nothing TODO. Cannot deduce without any arguments.
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}
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{ // Testing (2)
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const std::string_view sin("abc");
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std::basic_string_view s(sin);
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ASSERT_SAME_TYPE(decltype(s), std::string_view);
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assert(s == "abc");
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using WSV = std::basic_string_view<wchar_t, constexpr_char_traits<wchar_t>>;
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const WSV win(L"abcdef");
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std::basic_string_view w(win);
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ASSERT_SAME_TYPE(decltype(w), WSV);
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assert(w == L"abcdef");
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}
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{ // Testing (3)
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std::basic_string_view s("abc", 2);
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ASSERT_SAME_TYPE(decltype(s), std::string_view);
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assert(s == "ab");
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std::basic_string_view w(L"abcdef", 4);
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ASSERT_SAME_TYPE(decltype(w), std::wstring_view);
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assert(w == L"abcd");
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}
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{ // Testing (4)
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std::basic_string_view s("abc");
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ASSERT_SAME_TYPE(decltype(s), std::string_view);
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assert(s == "abc");
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std::basic_string_view w(L"abcdef");
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ASSERT_SAME_TYPE(decltype(w), std::wstring_view);
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assert(w == L"abcdef");
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}
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}
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