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63 lines
1.9 KiB
C++
63 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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// <string_view>
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// template<class charT, class traits, class Allocator>
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// constexpr bool operator==(const basic_string_view<charT,traits> lhs,
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// const basic_string_view<charT,traits> rhs);
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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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template <class S>
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void
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test(S lhs, S rhs, bool x)
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{
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assert((lhs == rhs) == x);
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assert((rhs == lhs) == x);
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}
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int main()
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{
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{
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typedef std::string_view S;
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test(S(""), S(""), true);
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test(S(""), S("abcde"), false);
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test(S(""), S("abcdefghij"), false);
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test(S(""), S("abcdefghijklmnopqrst"), false);
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test(S("abcde"), S(""), false);
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test(S("abcde"), S("abcde"), true);
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test(S("abcde"), S("abcdefghij"), false);
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test(S("abcde"), S("abcdefghijklmnopqrst"), false);
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test(S("abcdefghij"), S(""), false);
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test(S("abcdefghij"), S("abcde"), false);
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test(S("abcdefghij"), S("abcdefghij"), true);
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test(S("abcdefghij"), S("abcdefghijklmnopqrst"), false);
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test(S("abcdefghijklmnopqrst"), S(""), false);
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test(S("abcdefghijklmnopqrst"), S("abcde"), false);
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test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
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test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), true);
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}
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#if TEST_STD_VER > 11
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{
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typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
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constexpr SV sv1;
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constexpr SV sv2;
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constexpr SV sv3 { "abcde", 5 };
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static_assert ( sv1 == sv2, "" );
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static_assert (!(sv1 == sv3), "" );
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}
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#endif
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}
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