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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_view>
// constexpr int compare(size_type pos1, size_type n1, basic_string_view str) const;
#include <experimental/string_view>
#include <cassert>
#include "constexpr_char_traits.hpp"
int sign ( int x ) { return x > 0 ? 1 : ( x < 0 ? -1 : 0 ); }
template<typename CharT>
void test1 ( std::experimental::basic_string_view<CharT> sv1, size_t pos1, size_t n1,
std::experimental::basic_string_view<CharT> sv2, int expected ) {
try
{
assert ( sign( sv1.compare(pos1, n1, sv2)) == sign(expected));
assert(pos1 <= sv1.size());
}
catch (const std::out_of_range&) { assert(pos1 > sv1.size()); }
}
template<typename CharT>
void test ( const CharT *s1, size_t pos1, size_t n1, const CharT *s2, int expected ) {
typedef std::experimental::basic_string_view<CharT> string_view_t;
string_view_t sv1 ( s1 );
string_view_t sv2 ( s2 );
test1(sv1, pos1, n1, sv2, expected);
}
void test0()
{
test("", 0, 0, "", 0);
test("", 0, 0, "abcde", -5);
test("", 0, 0, "abcdefghij", -10);
test("", 0, 0, "abcdefghijklmnopqrst", -20);
test("", 0, 1, "", 0);
test("", 0, 1, "abcde", -5);
test("", 0, 1, "abcdefghij", -10);
test("", 0, 1, "abcdefghijklmnopqrst", -20);
test("", 1, 0, "", 0);
test("", 1, 0, "abcde", 0);
test("", 1, 0, "abcdefghij", 0);
test("", 1, 0, "abcdefghijklmnopqrst", 0);
test("abcde", 0, 0, "", 0);
test("abcde", 0, 0, "abcde", -5);
test("abcde", 0, 0, "abcdefghij", -10);
test("abcde", 0, 0, "abcdefghijklmnopqrst", -20);
test("abcde", 0, 1, "", 1);
test("abcde", 0, 1, "abcde", -4);
test("abcde", 0, 1, "abcdefghij", -9);
test("abcde", 0, 1, "abcdefghijklmnopqrst", -19);
test("abcde", 0, 2, "", 2);
test("abcde", 0, 2, "abcde", -3);
test("abcde", 0, 2, "abcdefghij", -8);
test("abcde", 0, 2, "abcdefghijklmnopqrst", -18);
test("abcde", 0, 4, "", 4);
test("abcde", 0, 4, "abcde", -1);
test("abcde", 0, 4, "abcdefghij", -6);
test("abcde", 0, 4, "abcdefghijklmnopqrst", -16);
test("abcde", 0, 5, "", 5);
test("abcde", 0, 5, "abcde", 0);
test("abcde", 0, 5, "abcdefghij", -5);
test("abcde", 0, 5, "abcdefghijklmnopqrst", -15);
test("abcde", 0, 6, "", 5);
test("abcde", 0, 6, "abcde", 0);
test("abcde", 0, 6, "abcdefghij", -5);
test("abcde", 0, 6, "abcdefghijklmnopqrst", -15);
test("abcde", 1, 0, "", 0);
test("abcde", 1, 0, "abcde", -5);
test("abcde", 1, 0, "abcdefghij", -10);
test("abcde", 1, 0, "abcdefghijklmnopqrst", -20);
test("abcde", 1, 1, "", 1);
test("abcde", 1, 1, "abcde", 1);
test("abcde", 1, 1, "abcdefghij", 1);
test("abcde", 1, 1, "abcdefghijklmnopqrst", 1);
test("abcde", 1, 2, "", 2);
test("abcde", 1, 2, "abcde", 1);
test("abcde", 1, 2, "abcdefghij", 1);
test("abcde", 1, 2, "abcdefghijklmnopqrst", 1);
test("abcde", 1, 3, "", 3);
test("abcde", 1, 3, "abcde", 1);
test("abcde", 1, 3, "abcdefghij", 1);
test("abcde", 1, 3, "abcdefghijklmnopqrst", 1);
test("abcde", 1, 4, "", 4);
test("abcde", 1, 4, "abcde", 1);
test("abcde", 1, 4, "abcdefghij", 1);
test("abcde", 1, 4, "abcdefghijklmnopqrst", 1);
test("abcde", 1, 5, "", 4);
test("abcde", 1, 5, "abcde", 1);
test("abcde", 1, 5, "abcdefghij", 1);
test("abcde", 1, 5, "abcdefghijklmnopqrst", 1);
test("abcde", 2, 0, "", 0);
test("abcde", 2, 0, "abcde", -5);
test("abcde", 2, 0, "abcdefghij", -10);
test("abcde", 2, 0, "abcdefghijklmnopqrst", -20);
test("abcde", 2, 1, "", 1);
test("abcde", 2, 1, "abcde", 2);
test("abcde", 2, 1, "abcdefghij", 2);
test("abcde", 2, 1, "abcdefghijklmnopqrst", 2);
test("abcde", 2, 2, "", 2);
test("abcde", 2, 2, "abcde", 2);
test("abcde", 2, 2, "abcdefghij", 2);
test("abcde", 2, 2, "abcdefghijklmnopqrst", 2);
test("abcde", 2, 3, "", 3);
test("abcde", 2, 3, "abcde", 2);
test("abcde", 2, 3, "abcdefghij", 2);
test("abcde", 2, 3, "abcdefghijklmnopqrst", 2);
test("abcde", 2, 4, "", 3);
test("abcde", 2, 4, "abcde", 2);
test("abcde", 2, 4, "abcdefghij", 2);
test("abcde", 2, 4, "abcdefghijklmnopqrst", 2);
test("abcde", 4, 0, "", 0);
test("abcde", 4, 0, "abcde", -5);
test("abcde", 4, 0, "abcdefghij", -10);
test("abcde", 4, 0, "abcdefghijklmnopqrst", -20);
test("abcde", 4, 1, "", 1);
test("abcde", 4, 1, "abcde", 4);
test("abcde", 4, 1, "abcdefghij", 4);
test("abcde", 4, 1, "abcdefghijklmnopqrst", 4);
test("abcde", 4, 2, "", 1);
test("abcde", 4, 2, "abcde", 4);
test("abcde", 4, 2, "abcdefghij", 4);
test("abcde", 4, 2, "abcdefghijklmnopqrst", 4);
test("abcde", 5, 0, "", 0);
test("abcde", 5, 0, "abcde", -5);
test("abcde", 5, 0, "abcdefghij", -10);
test("abcde", 5, 0, "abcdefghijklmnopqrst", -20);
test("abcde", 5, 1, "", 0);
test("abcde", 5, 1, "abcde", -5);
test("abcde", 5, 1, "abcdefghij", -10);
test("abcde", 5, 1, "abcdefghijklmnopqrst", -20);
}
void test1()
{
test("abcde", 6, 0, "", 0);
test("abcde", 6, 0, "abcde", 0);
test("abcde", 6, 0, "abcdefghij", 0);
test("abcde", 6, 0, "abcdefghijklmnopqrst", 0);
test("abcdefghij", 0, 0, "", 0);
test("abcdefghij", 0, 0, "abcde", -5);
test("abcdefghij", 0, 0, "abcdefghij", -10);
test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghij", 0, 1, "", 1);
test("abcdefghij", 0, 1, "abcde", -4);
test("abcdefghij", 0, 1, "abcdefghij", -9);
test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", -19);
test("abcdefghij", 0, 5, "", 5);
test("abcdefghij", 0, 5, "abcde", 0);
test("abcdefghij", 0, 5, "abcdefghij", -5);
test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", -15);
test("abcdefghij", 0, 9, "", 9);
test("abcdefghij", 0, 9, "abcde", 4);
test("abcdefghij", 0, 9, "abcdefghij", -1);
test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", -11);
test("abcdefghij", 0, 10, "", 10);
test("abcdefghij", 0, 10, "abcde", 5);
test("abcdefghij", 0, 10, "abcdefghij", 0);
test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", -10);
test("abcdefghij", 0, 11, "", 10);
test("abcdefghij", 0, 11, "abcde", 5);
test("abcdefghij", 0, 11, "abcdefghij", 0);
test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", -10);
test("abcdefghij", 1, 0, "", 0);
test("abcdefghij", 1, 0, "abcde", -5);
test("abcdefghij", 1, 0, "abcdefghij", -10);
test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghij", 1, 1, "", 1);
test("abcdefghij", 1, 1, "abcde", 1);
test("abcdefghij", 1, 1, "abcdefghij", 1);
test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1);
test("abcdefghij", 1, 4, "", 4);
test("abcdefghij", 1, 4, "abcde", 1);
test("abcdefghij", 1, 4, "abcdefghij", 1);
test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1);
test("abcdefghij", 1, 8, "", 8);
test("abcdefghij", 1, 8, "abcde", 1);
test("abcdefghij", 1, 8, "abcdefghij", 1);
test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1);
test("abcdefghij", 1, 9, "", 9);
test("abcdefghij", 1, 9, "abcde", 1);
test("abcdefghij", 1, 9, "abcdefghij", 1);
test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1);
test("abcdefghij", 1, 10, "", 9);
test("abcdefghij", 1, 10, "abcde", 1);
test("abcdefghij", 1, 10, "abcdefghij", 1);
test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1);
test("abcdefghij", 5, 0, "", 0);
test("abcdefghij", 5, 0, "abcde", -5);
test("abcdefghij", 5, 0, "abcdefghij", -10);
test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghij", 5, 1, "", 1);
test("abcdefghij", 5, 1, "abcde", 5);
test("abcdefghij", 5, 1, "abcdefghij", 5);
test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 5);
test("abcdefghij", 5, 2, "", 2);
test("abcdefghij", 5, 2, "abcde", 5);
test("abcdefghij", 5, 2, "abcdefghij", 5);
test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 5);
test("abcdefghij", 5, 4, "", 4);
test("abcdefghij", 5, 4, "abcde", 5);
test("abcdefghij", 5, 4, "abcdefghij", 5);
test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 5);
test("abcdefghij", 5, 5, "", 5);
test("abcdefghij", 5, 5, "abcde", 5);
test("abcdefghij", 5, 5, "abcdefghij", 5);
test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 5);
test("abcdefghij", 5, 6, "", 5);
test("abcdefghij", 5, 6, "abcde", 5);
test("abcdefghij", 5, 6, "abcdefghij", 5);
test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 5);
test("abcdefghij", 9, 0, "", 0);
test("abcdefghij", 9, 0, "abcde", -5);
test("abcdefghij", 9, 0, "abcdefghij", -10);
test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghij", 9, 1, "", 1);
test("abcdefghij", 9, 1, "abcde", 9);
test("abcdefghij", 9, 1, "abcdefghij", 9);
test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 9);
test("abcdefghij", 9, 2, "", 1);
test("abcdefghij", 9, 2, "abcde", 9);
test("abcdefghij", 9, 2, "abcdefghij", 9);
test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 9);
test("abcdefghij", 10, 0, "", 0);
test("abcdefghij", 10, 0, "abcde", -5);
test("abcdefghij", 10, 0, "abcdefghij", -10);
test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghij", 10, 1, "", 0);
test("abcdefghij", 10, 1, "abcde", -5);
test("abcdefghij", 10, 1, "abcdefghij", -10);
test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", -20);
test("abcdefghij", 11, 0, "", 0);
test("abcdefghij", 11, 0, "abcde", 0);
test("abcdefghij", 11, 0, "abcdefghij", 0);
test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0);
}
void test2()
{
test("abcdefghijklmnopqrst", 0, 0, "", 0);
test("abcdefghijklmnopqrst", 0, 0, "abcde", -5);
test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", -10);
test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghijklmnopqrst", 0, 1, "", 1);
test("abcdefghijklmnopqrst", 0, 1, "abcde", -4);
test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", -9);
test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", -19);
test("abcdefghijklmnopqrst", 0, 10, "", 10);
test("abcdefghijklmnopqrst", 0, 10, "abcde", 5);
test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0);
test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", -10);
test("abcdefghijklmnopqrst", 0, 19, "", 19);
test("abcdefghijklmnopqrst", 0, 19, "abcde", 14);
test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9);
test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", -1);
test("abcdefghijklmnopqrst", 0, 20, "", 20);
test("abcdefghijklmnopqrst", 0, 20, "abcde", 15);
test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0);
test("abcdefghijklmnopqrst", 0, 21, "", 20);
test("abcdefghijklmnopqrst", 0, 21, "abcde", 15);
test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0);
test("abcdefghijklmnopqrst", 1, 0, "", 0);
test("abcdefghijklmnopqrst", 1, 0, "abcde", -5);
test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", -10);
test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghijklmnopqrst", 1, 1, "", 1);
test("abcdefghijklmnopqrst", 1, 1, "abcde", 1);
test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1);
test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1);
test("abcdefghijklmnopqrst", 1, 9, "", 9);
test("abcdefghijklmnopqrst", 1, 9, "abcde", 1);
test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1);
test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1);
test("abcdefghijklmnopqrst", 1, 18, "", 18);
test("abcdefghijklmnopqrst", 1, 18, "abcde", 1);
test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1);
test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1);
test("abcdefghijklmnopqrst", 1, 19, "", 19);
test("abcdefghijklmnopqrst", 1, 19, "abcde", 1);
test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1);
test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1);
test("abcdefghijklmnopqrst", 1, 20, "", 19);
test("abcdefghijklmnopqrst", 1, 20, "abcde", 1);
test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1);
test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1);
test("abcdefghijklmnopqrst", 10, 0, "", 0);
test("abcdefghijklmnopqrst", 10, 0, "abcde", -5);
test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", -10);
test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghijklmnopqrst", 10, 1, "", 1);
test("abcdefghijklmnopqrst", 10, 1, "abcde", 10);
test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10);
test("abcdefghijklmnopqrst", 10, 5, "", 5);
test("abcdefghijklmnopqrst", 10, 5, "abcde", 10);
test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10);
test("abcdefghijklmnopqrst", 10, 9, "", 9);
test("abcdefghijklmnopqrst", 10, 9, "abcde", 10);
test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10);
test("abcdefghijklmnopqrst", 10, 10, "", 10);
test("abcdefghijklmnopqrst", 10, 10, "abcde", 10);
test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10);
test("abcdefghijklmnopqrst", 10, 11, "", 10);
test("abcdefghijklmnopqrst", 10, 11, "abcde", 10);
test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10);
test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10);
test("abcdefghijklmnopqrst", 19, 0, "", 0);
test("abcdefghijklmnopqrst", 19, 0, "abcde", -5);
test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", -10);
test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghijklmnopqrst", 19, 1, "", 1);
test("abcdefghijklmnopqrst", 19, 1, "abcde", 19);
test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 19);
test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19);
test("abcdefghijklmnopqrst", 19, 2, "", 1);
test("abcdefghijklmnopqrst", 19, 2, "abcde", 19);
test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 19);
test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19);
test("abcdefghijklmnopqrst", 20, 0, "", 0);
test("abcdefghijklmnopqrst", 20, 0, "abcde", -5);
test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", -10);
test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", -20);
test("abcdefghijklmnopqrst", 20, 1, "", 0);
test("abcdefghijklmnopqrst", 20, 1, "abcde", -5);
test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", -10);
test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", -20);
test("abcdefghijklmnopqrst", 21, 0, "", 0);
test("abcdefghijklmnopqrst", 21, 0, "abcde", 0);
test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0);
test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0);
}
int main () {
test0();
test1();
test2();
{
test("abcde", 5, 1, "", 0);
test("abcde", 2, 4, "", 3);
test("abcde", 2, 4, "abcde", 2);
test("ABCde", 2, 4, "abcde", -1);
}
{
test(L"abcde", 5, 1, L"", 0);
test(L"abcde", 2, 4, L"", 3);
test(L"abcde", 2, 4, L"abcde", 2);
test(L"ABCde", 2, 4, L"abcde", -1);
}
#if __cplusplus >= 201103L
{
test(u"abcde", 5, 1, u"", 0);
test(u"abcde", 2, 4, u"", 3);
test(u"abcde", 2, 4, u"abcde", 2);
test(u"ABCde", 2, 4, u"abcde", -1);
}
{
test(U"abcde", 5, 1, U"", 0);
test(U"abcde", 2, 4, U"", 3);
test(U"abcde", 2, 4, U"abcde", 2);
test(U"ABCde", 2, 4, U"abcde", -1);
}
#endif
#if _LIBCPP_STD_VER > 11
{
typedef std::experimental::basic_string_view<char, constexpr_char_traits<char>> SV;
constexpr SV sv1 { "abcde", 5 };
constexpr SV sv2 { "abcde", 0 };
static_assert ( sv1.compare(5, 1, sv2) == 0, "" );
static_assert ( sv1.compare(2, 4, sv2) == 1, "" );
}
#endif
}
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