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Implement std::string_view as described in http://wg21.link/P0254R1. Reviewed as https://reviews.llvm.org/D21459

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llvm-svn: 276238
This commit is contained in:
Marshall Clow
2016-07-21 05:31:24 +00:00
parent ed7b7d7efe
commit 053d81ceeb
100 changed files with 19172 additions and 731 deletions
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50
libcxx/test/std/strings/string.view/string.view.comparison/opne.string_view.string.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class charT, class traits, class Allocator>
// bool operator!=(const basic_string<charT, traits, Allocator> &lhs, basic_string_view<charT,traits> rhs);
// template<class charT, class traits, class Allocator>
// bool operator!=(basic_string_view<charT,traits> lhs, const basic_string<charT, traits, Allocator> &rhs);
#include <string_view>
#include <string>
#include <cassert>
template <class S>
void
test(const std::string &lhs, S rhs, bool x)
{
assert((lhs != rhs) == x);
assert((rhs != lhs) == x);
}
int main()
{
{
typedef std::string_view S;
test("", S(""), false);
test("", S("abcde"), true);
test("", S("abcdefghij"), true);
test("", S("abcdefghijklmnopqrst"), true);
test("abcde", S(""), true);
test("abcde", S("abcde"), false);
test("abcde", S("abcdefghij"), true);
test("abcde", S("abcdefghijklmnopqrst"), true);
test("abcdefghij", S(""), true);
test("abcdefghij", S("abcde"), true);
test("abcdefghij", S("abcdefghij"), false);
test("abcdefghij", S("abcdefghijklmnopqrst"), true);
test("abcdefghijklmnopqrst", S(""), true);
test("abcdefghijklmnopqrst", S("abcde"), true);
test("abcdefghijklmnopqrst", S("abcdefghij"), true);
test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), false);
}
}