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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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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@276238 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2016-07-21 05:31:24 +00:00
parent f50841f3ac
commit 1e00d6db31
100 changed files with 19172 additions and 731 deletions
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70
test/std/strings/basic.string/string.nonmembers/string_op!=/string_string_view.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>
// we get this comparison "for free" because the string implicitly converts to the string_view
#include <string>
#include <cassert>
#include "min_allocator.h"
template <class S, class SV>
void
test(const S& lhs, SV rhs, bool x)
{
assert((lhs != rhs) == x);
}
int main()
{
{
typedef std::string S;
typedef std::string SV;
test(S(""), SV(""), false);
test(S(""), SV("abcde"), true);
test(S(""), SV("abcdefghij"), true);
test(S(""), SV("abcdefghijklmnopqrst"), true);
test(S("abcde"), SV(""), true);
test(S("abcde"), SV("abcde"), false);
test(S("abcde"), SV("abcdefghij"), true);
test(S("abcde"), SV("abcdefghijklmnopqrst"), true);
test(S("abcdefghij"), SV(""), true);
test(S("abcdefghij"), SV("abcde"), true);
test(S("abcdefghij"), SV("abcdefghij"), false);
test(S("abcdefghij"), SV("abcdefghijklmnopqrst"), true);
test(S("abcdefghijklmnopqrst"), SV(""), true);
test(S("abcdefghijklmnopqrst"), SV("abcde"), true);
test(S("abcdefghijklmnopqrst"), SV("abcdefghij"), true);
test(S("abcdefghijklmnopqrst"), SV("abcdefghijklmnopqrst"), false);
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
typedef std::basic_string_view<char, std::char_traits<char>> SV;
test(S(""), SV(""), false);
test(S(""), SV("abcde"), true);
test(S(""), SV("abcdefghij"), true);
test(S(""), SV("abcdefghijklmnopqrst"), true);
test(S("abcde"), SV(""), true);
test(S("abcde"), SV("abcde"), false);
test(S("abcde"), SV("abcdefghij"), true);
test(S("abcde"), SV("abcdefghijklmnopqrst"), true);
test(S("abcdefghij"), SV(""), true);
test(S("abcdefghij"), SV("abcde"), true);
test(S("abcdefghij"), SV("abcdefghij"), false);
test(S("abcdefghij"), SV("abcdefghijklmnopqrst"), true);
test(S("abcdefghijklmnopqrst"), SV(""), true);
test(S("abcdefghijklmnopqrst"), SV("abcde"), true);
test(S("abcdefghijklmnopqrst"), SV("abcdefghij"), true);
test(S("abcdefghijklmnopqrst"), SV("abcdefghijklmnopqrst"), false);
}
#endif
}

70
test/std/strings/basic.string/string.nonmembers/string_op!=/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>
// we get this comparison "for free" because the string implicitly converts to the string_view
#include <string>
#include <cassert>
#include "min_allocator.h"
template <class S, class SV>
void
test(SV lhs, const S& rhs, bool x)
{
assert((lhs != rhs) == x);
}
int main()
{
{
typedef std::string S;
typedef std::string_view SV;
test(SV(""), S(""), false);
test(SV(""), S("abcde"), true);
test(SV(""), S("abcdefghij"), true);
test(SV(""), S("abcdefghijklmnopqrst"), true);
test(SV("abcde"), S(""), true);
test(SV("abcde"), S("abcde"), false);
test(SV("abcde"), S("abcdefghij"), true);
test(SV("abcde"), S("abcdefghijklmnopqrst"), true);
test(SV("abcdefghij"), S(""), true);
test(SV("abcdefghij"), S("abcde"), true);
test(SV("abcdefghij"), S("abcdefghij"), false);
test(SV("abcdefghij"), S("abcdefghijklmnopqrst"), true);
test(SV("abcdefghijklmnopqrst"), S(""), true);
test(SV("abcdefghijklmnopqrst"), S("abcde"), true);
test(SV("abcdefghijklmnopqrst"), S("abcdefghij"), true);
test(SV("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
typedef std::basic_string_view<char, std::char_traits<char>> SV;
test(SV(""), S(""), false);
test(SV(""), S("abcde"), true);
test(SV(""), S("abcdefghij"), true);
test(SV(""), S("abcdefghijklmnopqrst"), true);
test(SV("abcde"), S(""), true);
test(SV("abcde"), S("abcde"), false);
test(SV("abcde"), S("abcdefghij"), true);
test(SV("abcde"), S("abcdefghijklmnopqrst"), true);
test(SV("abcdefghij"), S(""), true);
test(SV("abcdefghij"), S("abcde"), true);
test(SV("abcdefghij"), S("abcdefghij"), false);
test(SV("abcdefghij"), S("abcdefghijklmnopqrst"), true);
test(SV("abcdefghijklmnopqrst"), S(""), true);
test(SV("abcdefghijklmnopqrst"), S("abcde"), true);
test(SV("abcdefghijklmnopqrst"), S("abcdefghij"), true);
test(SV("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
}
#endif
}