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1 // Copyright (C) 2020 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
21 #include <testsuite_hooks.h>
26 volatile unsigned char i
[] = { 0, 1, 2, 3 };
27 volatile unsigned char j
[] = { 1, 2, 3 };
28 unsigned char k
[] = { 2, 3, 4 };
30 // v = volatile, c = const, cv = const volatile, u = unqualified
32 VERIFY( ! std::lexicographical_compare(i
+1, i
+4, j
, j
+2) ); // v v
33 VERIFY( std::lexicographical_compare(i
+2, i
+4, k
, k
+3) ); // v u
34 VERIFY( ! std::lexicographical_compare(k
, k
+3, i
+1, i
+4) ); // u v
36 const volatile unsigned char* cj
= j
;
37 VERIFY( std::lexicographical_compare(cj
, cj
+2, cj
+1, cj
+3) ); // cv cv
38 VERIFY( ! std::lexicographical_compare(cj
, cj
+3, i
+1, i
+4) ); // cv v
39 VERIFY( std::lexicographical_compare(i
, i
+2, cj
, cj
+2) ); // v cv
40 VERIFY( std::lexicographical_compare(cj
+1, cj
+3, k
, k
+3) ); // cv u
41 VERIFY( ! std::lexicographical_compare(k
, k
+2, cj
, cj
+3) ); // u cv
42 const unsigned char* ck
= k
;
43 VERIFY( ! std::lexicographical_compare(ck
, ck
+2, i
+1, i
+2) ); // c v
44 VERIFY( std::lexicographical_compare(i
, i
+3, ck
, ck
+3) ); // v c
45 VERIFY( std::lexicographical_compare(cj
+1, cj
+3, ck
, ck
+3) ); // cv c
46 VERIFY( ! std::lexicographical_compare(ck
, ck
+1, cj
, cj
+2) ); // c cv
48 #if __cplusplus > 201703L
49 using std::ranges::lexicographical_compare
;
50 VERIFY( ! lexicographical_compare(i
+1, i
+4, j
, j
+2) ); // v v
51 VERIFY( lexicographical_compare(i
+2, i
+4, k
, k
+3) ); // v u
52 VERIFY( ! lexicographical_compare(k
, k
+3, i
+1, i
+4) ); // u v
54 VERIFY( lexicographical_compare(cj
, cj
+2, cj
+1, cj
+3) ); // cv cv
55 VERIFY( ! lexicographical_compare(cj
, cj
+3, i
+1, i
+4) ); // cv v
56 VERIFY( lexicographical_compare(i
, i
+2, cj
, cj
+2) ); // v cv
57 VERIFY( lexicographical_compare(cj
+1, cj
+3, k
, k
+3) ); // cv u
58 VERIFY( ! lexicographical_compare(k
, k
+2, cj
, cj
+3) ); // u cv
60 VERIFY( ! lexicographical_compare(ck
, ck
+2, i
+1, i
+2) ); // c v
61 VERIFY( lexicographical_compare(i
, i
+3, ck
, ck
+3) ); // v c
62 VERIFY( lexicographical_compare(cj
+1, cj
+3, ck
, ck
+3) ); // cv c
63 VERIFY( ! lexicographical_compare(ck
, ck
+1, cj
, cj
+2) ); // c cv