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Diffstat (limited to 'libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc new file mode 100644 index 00000000000..7fcbf657693 --- /dev/null +++ b/libstdc++-v3/testsuite/experimental/string_view/operations/compare/char/1.cc @@ -0,0 +1,134 @@ +// { dg-options "-std=gnu++1y" } + +// Copyright (C) 2013 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/>. + +// basic_string_view::compare +// int compare(const basic_string_view& str) const; +// int compare(size_type pos1, size_type n1, const basic_string_view& str) const; +// int compare(size_type pos1, size_type n1, const basic_string_view& str, +// size_type pos2, size_type n2) const; +// int compare(const charT* s) const; +// int compare(size_type pos1, size_type n1, +// const charT* s, size_type n2 = npos) const; + +// NB compare should be thought of as a lexographical compare, ie how +// things would be sorted in a dictionary. + +#include <experimental/string_view> +#include <cstring> +#include <testsuite_hooks.h> + +enum want_value {lt=0, z=1, gt=2}; + +int +test_value(int result, want_value expected); + +int +test_value(int result, want_value expected) +{ + bool test [[gnu::unused]] = true; + bool pass = false; + + switch (expected) { + case lt: + if (result < 0) + pass = true; + break; + case z: + if (!result) + pass = true; + break; + case gt: + if (result > 0) + pass = true; + break; + default: + pass = false; //should not get here + } + VERIFY(pass); + return 0; +} + + +int +test01() +{ + using namespace std::experimental; + + string_view str_0("costa rica"); + string_view str_1("costa marbella"); + string_view str_2; + + //sanity check + test_value(strcmp("costa marbella", "costa rica"), lt); + test_value(strcmp("costa rica", "costa rica"), z); + test_value(strcmp(str_1.data(), str_0.data()), lt); + test_value(strcmp(str_0.data(), str_1.data()), gt); + test_value(strncmp(str_1.data(), str_0.data(), 6), z); + test_value(strncmp(str_1.data(), str_0.data(), 14), lt); + test_value(memcmp(str_1.data(), str_0.data(), 6), z); + test_value(memcmp(str_1.data(), str_0.data(), 14), lt); + test_value(memcmp("costa marbella", "costa rica", 14), lt); + + // int compare(const basic_string_view& str) const; + test_value(str_0.compare(str_1), gt); //because r>m + test_value(str_1.compare(str_0), lt); //because m<r + str_2 = str_0; + test_value(str_2.compare(str_0), z); + str_2 = "cost"; + test_value(str_2.compare(str_0), lt); + str_2 = "costa ricans"; + test_value(str_2.compare(str_0), gt); + + // int compare(size_type pos1, size_type n1, const basic_string_view& str) const; + test_value(str_1.compare(0, 6, str_0), lt); + str_2 = "cost"; + test_value(str_1.compare(0, 4, str_2), z); + test_value(str_1.compare(0, 5, str_2), gt); + + // int compare(size_type pos1, size_type n1, const basic_string_view& str, + // size_type pos2, size_type n2) const; + test_value(str_1.compare(0, 6, str_0, 0, 6), z); + test_value(str_1.compare(0, 7, str_0, 0, 7), lt); + test_value(str_0.compare(0, 7, str_1, 0, 7), gt); + + // int compare(const charT* s) const; + test_value(str_0.compare("costa marbella"), gt); + test_value(str_1.compare("costa rica"), lt); + str_2 = str_0; + test_value(str_2.compare("costa rica"), z); + test_value(str_2.compare("cost"), gt); + test_value(str_2.compare("costa ricans"), lt); + + // int compare(size_type pos, size_type n1, const charT* str, + // size_type n2 = npos) const; + test_value(str_1.compare(0, 6, "costa rica", 0, 6), z); + test_value(str_1.compare(0, 7, "costa rica", 0, 7), lt); + test_value(str_0.compare(0, 7, "costa marbella", 0, 7), gt); + + return 0; +} + + +int +main() +{ + test01(); + + return 0; +} |