mirror of
https://github.com/espressif/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
// { dg-options "-std=gnu++17" }
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// Copyright (C) 2013-2022 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// basic_string_view::compare
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// int compare(const basic_string_view& str) const;
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// int compare(size_type pos1, size_type n1, const basic_string_view& str) const;
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// int compare(size_type pos1, size_type n1, const basic_string_view& str,
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// size_type pos2, size_type n2) const;
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// int compare(const charT* s) const;
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// int compare(size_type pos1, size_type n1,
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// const charT* s, size_type n2 = npos) const;
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// NB compare should be thought of as a lexographical compare, ie how
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// things would be sorted in a dictionary.
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namespace operations_compare_1 {
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enum want_value {lt=0, z=1, gt=2};
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int
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test_value(int result, want_value expected);
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int
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test_value(int result, want_value expected)
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{
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bool pass = false;
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switch (expected) {
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case lt:
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if (result < 0)
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pass = true;
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break;
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case z:
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if (!result)
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pass = true;
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break;
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case gt:
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if (result > 0)
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pass = true;
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break;
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default:
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pass = false; //should not get here
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}
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VERIFY(pass);
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return 0;
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}
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static int
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test01 ()
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{
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using gdb::string_view;
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string_view str_0("costa rica");
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string_view str_1("costa marbella");
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string_view str_2;
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//sanity check
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test_value(strcmp("costa marbella", "costa rica"), lt);
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test_value(strcmp("costa rica", "costa rica"), z);
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test_value(strcmp(str_1.data(), str_0.data()), lt);
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test_value(strcmp(str_0.data(), str_1.data()), gt);
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test_value(strncmp(str_1.data(), str_0.data(), 6), z);
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test_value(strncmp(str_1.data(), str_0.data(), 14), lt);
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test_value(memcmp(str_1.data(), str_0.data(), 6), z);
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test_value(memcmp(str_1.data(), str_0.data(), 10), lt);
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test_value(memcmp("costa marbella", "costa rica", 10), lt);
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// int compare(const basic_string_view& str) const;
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test_value(str_0.compare(str_1), gt); //because r>m
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test_value(str_1.compare(str_0), lt); //because m<r
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str_2 = str_0;
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test_value(str_2.compare(str_0), z);
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str_2 = "cost";
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test_value(str_2.compare(str_0), lt);
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str_2 = "costa ricans";
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test_value(str_2.compare(str_0), gt);
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// int compare(size_type pos1, size_type n1, const basic_string_view& str) const;
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test_value(str_1.compare(0, 6, str_0), lt);
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str_2 = "cost";
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test_value(str_1.compare(0, 4, str_2), z);
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test_value(str_1.compare(0, 5, str_2), gt);
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// int compare(size_type pos1, size_type n1, const basic_string_view& str,
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// size_type pos2, size_type n2) const;
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test_value(str_1.compare(0, 6, str_0, 0, 6), z);
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test_value(str_1.compare(0, 7, str_0, 0, 7), lt);
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test_value(str_0.compare(0, 7, str_1, 0, 7), gt);
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// int compare(const charT* s) const;
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test_value(str_0.compare("costa marbella"), gt);
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test_value(str_1.compare("costa rica"), lt);
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str_2 = str_0;
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test_value(str_2.compare("costa rica"), z);
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test_value(str_2.compare("cost"), gt);
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test_value(str_2.compare("costa ricans"), lt);
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// int compare(size_type pos, size_type n1, const charT* str,
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// size_type n2 = npos) const;
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test_value(str_1.compare(0, 6, "costa rica", 0, 6), z);
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test_value(str_1.compare(0, 7, "costa rica", 0, 7), lt);
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test_value(str_0.compare(0, 7, "costa marbella", 0, 7), gt);
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return 0;
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}
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static int
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main ()
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{
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test01();
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return 0;
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}
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} // namespace operations_compare_1
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