You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
4.0 KiB
C++
129 lines
4.0 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string_view>
|
|
|
|
// constexpr int compare(const charT* s) const;
|
|
|
|
#include <string_view>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
#include "constexpr_char_traits.hpp"
|
|
|
|
int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
|
|
|
|
template<typename CharT>
|
|
void test1 ( std::basic_string_view<CharT> sv1, const CharT *s, int expected ) {
|
|
assert ( sign( sv1.compare(s)) == sign(expected));
|
|
}
|
|
|
|
template<typename CharT>
|
|
void
|
|
test( const CharT *s1, const CharT *s2, int expected)
|
|
{
|
|
typedef std::basic_string_view<CharT> string_view_t;
|
|
string_view_t sv1 ( s1 );
|
|
test1 ( sv1, s2, expected );
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
{
|
|
test("", "", 0);
|
|
test("", "abcde", -5);
|
|
test("", "abcdefghij", -10);
|
|
test("", "abcdefghijklmnopqrst", -20);
|
|
test("abcde", "", 5);
|
|
test("abcde", "abcde", 0);
|
|
test("abcde", "abcdefghij", -5);
|
|
test("abcde", "abcdefghijklmnopqrst", -15);
|
|
test("abcdefghij", "", 10);
|
|
test("abcdefghij", "abcde", 5);
|
|
test("abcdefghij", "abcdefghij", 0);
|
|
test("abcdefghij", "abcdefghijklmnopqrst", -10);
|
|
test("abcdefghijklmnopqrst", "", 20);
|
|
test("abcdefghijklmnopqrst", "abcde", 15);
|
|
test("abcdefghijklmnopqrst", "abcdefghij", 10);
|
|
test("abcdefghijklmnopqrst", "abcdefghijklmnopqrst", 0);
|
|
}
|
|
|
|
{
|
|
test(L"", L"", 0);
|
|
test(L"", L"abcde", -5);
|
|
test(L"", L"abcdefghij", -10);
|
|
test(L"", L"abcdefghijklmnopqrst", -20);
|
|
test(L"abcde", L"", 5);
|
|
test(L"abcde", L"abcde", 0);
|
|
test(L"abcde", L"abcdefghij", -5);
|
|
test(L"abcde", L"abcdefghijklmnopqrst", -15);
|
|
test(L"abcdefghij", L"", 10);
|
|
test(L"abcdefghij", L"abcde", 5);
|
|
test(L"abcdefghij", L"abcdefghij", 0);
|
|
test(L"abcdefghij", L"abcdefghijklmnopqrst", -10);
|
|
test(L"abcdefghijklmnopqrst", L"", 20);
|
|
test(L"abcdefghijklmnopqrst", L"abcde", 15);
|
|
test(L"abcdefghijklmnopqrst", L"abcdefghij", 10);
|
|
test(L"abcdefghijklmnopqrst", L"abcdefghijklmnopqrst", 0);
|
|
}
|
|
|
|
#if TEST_STD_VER >= 11
|
|
{
|
|
test(U"", U"", 0);
|
|
test(U"", U"abcde", -5);
|
|
test(U"", U"abcdefghij", -10);
|
|
test(U"", U"abcdefghijklmnopqrst", -20);
|
|
test(U"abcde", U"", 5);
|
|
test(U"abcde", U"abcde", 0);
|
|
test(U"abcde", U"abcdefghij", -5);
|
|
test(U"abcde", U"abcdefghijklmnopqrst", -15);
|
|
test(U"abcdefghij", U"", 10);
|
|
test(U"abcdefghij", U"abcde", 5);
|
|
test(U"abcdefghij", U"abcdefghij", 0);
|
|
test(U"abcdefghij", U"abcdefghijklmnopqrst", -10);
|
|
test(U"abcdefghijklmnopqrst", U"", 20);
|
|
test(U"abcdefghijklmnopqrst", U"abcde", 15);
|
|
test(U"abcdefghijklmnopqrst", U"abcdefghij", 10);
|
|
test(U"abcdefghijklmnopqrst", U"abcdefghijklmnopqrst", 0);
|
|
}
|
|
|
|
{
|
|
test(u"", u"", 0);
|
|
test(u"", u"abcde", -5);
|
|
test(u"", u"abcdefghij", -10);
|
|
test(u"", u"abcdefghijklmnopqrst", -20);
|
|
test(u"abcde", u"", 5);
|
|
test(u"abcde", u"abcde", 0);
|
|
test(u"abcde", u"abcdefghij", -5);
|
|
test(u"abcde", u"abcdefghijklmnopqrst", -15);
|
|
test(u"abcdefghij", u"", 10);
|
|
test(u"abcdefghij", u"abcde", 5);
|
|
test(u"abcdefghij", u"abcdefghij", 0);
|
|
test(u"abcdefghij", u"abcdefghijklmnopqrst", -10);
|
|
test(u"abcdefghijklmnopqrst", u"", 20);
|
|
test(u"abcdefghijklmnopqrst", u"abcde", 15);
|
|
test(u"abcdefghijklmnopqrst", u"abcdefghij", 10);
|
|
test(u"abcdefghijklmnopqrst", u"abcdefghijklmnopqrst", 0);
|
|
}
|
|
#endif
|
|
|
|
#if TEST_STD_VER > 11
|
|
{
|
|
typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
|
|
constexpr SV sv1;
|
|
constexpr SV sv2 { "abcde", 5 };
|
|
static_assert ( sv1.compare("") == 0, "" );
|
|
static_assert ( sv1.compare("abcde") < 0, "" );
|
|
static_assert ( sv2.compare("") > 0, "" );
|
|
static_assert ( sv2.compare("abcde") == 0, "" );
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|