| // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-do run { target c++2a } } |
| |
| #include <algorithm> |
| #include <testsuite_hooks.h> |
| |
| using std::signed_integral; |
| |
| namespace ranges = std::ranges; |
| |
| template<signed_integral T> |
| void |
| test01() |
| { |
| T i[] = { -1 }; |
| T j[] = { 1 }; |
| |
| VERIFY( ranges::lexicographical_compare(i, j) ); |
| VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( !ranges::lexicographical_compare(j, i) ); |
| VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| template<signed_integral T> |
| void |
| test02() |
| { |
| T i[] = { -5 }; |
| T j[] = { -5, 3 }; |
| |
| VERIFY( ranges::lexicographical_compare(i, j) ); |
| VERIFY( ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( !ranges::lexicographical_compare(j, i) ); |
| VERIFY( !ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| template<signed_integral T> |
| void |
| test03() |
| { |
| T i[] = { -10 }; |
| T j[] = { -5, 3 }; |
| |
| VERIFY( ranges::lexicographical_compare(i, j) ); |
| VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( !ranges::lexicographical_compare(j, i) ); |
| VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| template<signed_integral T> |
| void |
| test04() |
| { |
| T i[] = { -2 }; |
| T j[] = { -5, 3 }; |
| |
| VERIFY( !ranges::lexicographical_compare(i, j) ); |
| VERIFY( ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( ranges::lexicographical_compare(j, i) ); |
| VERIFY( !ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| void |
| test05() |
| { |
| unsigned i[] = { 1 }; |
| unsigned j[] = { 256 }; |
| |
| VERIFY( ranges::lexicographical_compare(i, j) ); |
| VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( !ranges::lexicographical_compare(j, i) ); |
| VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| void |
| test06() |
| { |
| signed char i[] = { 100, 1 }; |
| unsigned char j[] = { 100 }; |
| |
| VERIFY( !ranges::lexicographical_compare(i, j) ); |
| VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( ranges::lexicographical_compare(j, i) ); |
| VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| void |
| test07() |
| { |
| char i[] = { 95, 1 }; |
| unsigned char j[] = { 100 }; |
| |
| VERIFY( ranges::lexicographical_compare(i, j) ); |
| VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( !ranges::lexicographical_compare(j, i) ); |
| VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| void |
| test08() |
| { |
| signed char i[] = { 112, 1 }; |
| signed char j[] = { 87 }; |
| |
| VERIFY( !ranges::lexicographical_compare(i, j) ); |
| VERIFY( ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( ranges::lexicographical_compare(j, i) ); |
| VERIFY( !ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| void |
| test09() |
| { |
| char i[] = { 1 }; |
| unsigned char j[] = { 100 }; |
| |
| VERIFY( ranges::lexicographical_compare(i, j) ); |
| VERIFY( !ranges::lexicographical_compare(i, j, ranges::greater{}) ); |
| |
| VERIFY( !ranges::lexicographical_compare(j, i) ); |
| VERIFY( ranges::lexicographical_compare(j, i, ranges::greater{}) ); |
| } |
| |
| int |
| main() |
| { |
| test01<signed char>(); |
| test01<int>(); |
| |
| test02<signed char>(); |
| test02<int>(); |
| |
| test03<signed char>(); |
| test03<int>(); |
| |
| test04<signed char>(); |
| test04<int>(); |
| |
| test05(); |
| test06(); |
| test07(); |
| test08(); |
| test09(); |
| } |