51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
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//===----------------------------------------------------------------------===//
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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>
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// template<class charT, class traits, class Allocator>
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// bool operator!=(const basic_string<charT, traits, Allocator> &lhs, basic_string_view<charT,traits> rhs);
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// template<class charT, class traits, class Allocator>
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// bool operator!=(basic_string_view<charT,traits> lhs, const basic_string<charT, traits, Allocator> &rhs);
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#include <string_view>
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#include <string>
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#include <cassert>
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template <class S>
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void
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test(const std::string &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(""), false);
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test("", S("abcde"), true);
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test("", S("abcdefghij"), true);
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test("", S("abcdefghijklmnopqrst"), true);
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test("abcde", S(""), true);
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test("abcde", S("abcde"), false);
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test("abcde", S("abcdefghij"), true);
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test("abcde", S("abcdefghijklmnopqrst"), true);
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test("abcdefghij", S(""), true);
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test("abcdefghij", S("abcde"), true);
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test("abcdefghij", S("abcdefghij"), false);
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test("abcdefghij", S("abcdefghijklmnopqrst"), true);
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test("abcdefghijklmnopqrst", S(""), true);
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test("abcdefghijklmnopqrst", S("abcde"), true);
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test("abcdefghijklmnopqrst", S("abcdefghij"), true);
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test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), false);
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}
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}
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