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1 // Copyright (C) 2020 Free Software Foundation, Inc.
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2 //
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3 // This file is part of the GNU ISO C++ Library. This library is free
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4 // software; you can redistribute it and/or modify it under the
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5 // terms of the GNU General Public License as published by the
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6 // Free Software Foundation; either version 3, or (at your option)
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7 // any later version.
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8
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9 // This library is distributed in the hope that it will be useful,
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10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 // GNU General Public License for more details.
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13
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14 // You should have received a copy of the GNU General Public License along
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15 // with this library; see the file COPYING3. If not see
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16 // <http://www.gnu.org/licenses/>.
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17
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18 // { dg-options "-std=gnu++2a" }
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19 // { dg-do run { target c++2a } }
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20
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21 #include <charconv>
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22 #include <testsuite_hooks.h>
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23
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24 void
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25 test01()
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26 {
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27 std::from_chars_result r1{}, r2{};
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28 VERIFY( r1 == r1 );
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29 VERIFY( !(r1 != r1) );
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30 VERIFY( r2 == r1 );
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31 VERIFY( !(r2 != r1) );
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32 r1.ptr = "";
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33 VERIFY( r1 == r1 );
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34 VERIFY( r1 != r2 );
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35 r2.ptr = "a" + 1;
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36 VERIFY( r1 != r2 );
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37 r2.ptr = r1.ptr;
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38 r2.ec = std::errc::invalid_argument;
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39 VERIFY( r1 != r2 );
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40 r1.ec = std::errc::no_such_file_or_directory;
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41 VERIFY( r1 != r2 );
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42 r1.ec = std::errc::invalid_argument;
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43 VERIFY( r2 == r1 );
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44 }
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45
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46 int
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47 main()
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48 {
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49 test01();
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50 }
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