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author | Antony Polukhin <antoshkka@gmail.com> | 2021-05-17 14:58:28 +0100 |
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committer | Jonathan Wakely <jwakely@redhat.com> | 2021-05-17 17:58:14 +0100 |
commit | fd89fc77639a63a141dbbc6292dd73e653794d61 (patch) | |
tree | f5011c4cb867ffe5264266951a6b0311942f0b58 /libstdc++-v3/testsuite/22_locale | |
parent | 60a156ae53e976dfe44689f7c89e607596e7cf67 (diff) | |
download | gcc-fd89fc77639a63a141dbbc6292dd73e653794d61.zip gcc-fd89fc77639a63a141dbbc6292dd73e653794d61.tar.gz gcc-fd89fc77639a63a141dbbc6292dd73e653794d61.tar.bz2 |
libstdc++: diagnose some misuses of [locale.convenience] functions [PR 89728]
This patch provides better diagnostics for common misuse of
[locale.convenience] functions with std::string as a character type.
libstdc++-v3/ChangeLog:
PR libstdc++/89728
* include/bits/locale_facets.h (ctype<basic_string<C,T,A>>):
Declare (but do not define) partial specialization.
* testsuite/22_locale/ctype/is/string/89728_neg.cc: New test.
Diffstat (limited to 'libstdc++-v3/testsuite/22_locale')
-rw-r--r-- | libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc new file mode 100644 index 0000000..9f15620 --- /dev/null +++ b/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc @@ -0,0 +1,73 @@ +// { dg-do compile } + +// Copyright (C) 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-error "complete" "" { target *-*-* } 0 } + +#include <locale> + +template <class Char, int I> +struct trait: std::char_traits<Char> {}; + +template <class Char, int I> +std::basic_string<Char, trait<Char, I> > make_str() +{ + return std::basic_string<Char, trait<Char, I> >(); +} + +void test01() +{ + const std::locale& loc = std::locale::classic(); + + std::isspace(std::string(), loc); // { dg-error "required from here" } + std::isprint(make_str<char, 0>(), loc); // { dg-error "required from here" } + std::iscntrl(make_str<char, 1>(), loc); // { dg-error "required from here" } + std::isupper(make_str<char, 2>(), loc); // { dg-error "required from here" } + std::islower(make_str<char, 3>(), loc); // { dg-error "required from here" } + std::isalpha(make_str<char, 4>(), loc); // { dg-error "required from here" } + std::isdigit(make_str<char, 5>(), loc); // { dg-error "required from here" } + std::ispunct(make_str<char, 6>(), loc); // { dg-error "required from here" } + std::isxdigit(make_str<char, 7>(), loc); // { dg-error "required from here" } + std::isalnum(make_str<char, 8>(), loc); // { dg-error "required from here" } + std::isgraph(make_str<char, 9>(), loc); // { dg-error "required from here" } + std::isblank(make_str<char, 10>(), loc); // { dg-error "required from here" } + std::toupper(make_str<char, 11>(), loc); // { dg-error "required from here" } + std::tolower(make_str<char, 12>(), loc); // { dg-error "required from here" } +} + +#ifdef _GLIBCXX_USE_WCHAR_T +void test02() +{ + const std::locale& loc = std::locale::classic(); + + std::isspace(std::wstring(), loc); // { dg-error "required from here" } + std::isprint(make_str<wchar_t, 0>(), loc); // { dg-error "required from here" } + std::iscntrl(make_str<wchar_t, 1>(), loc); // { dg-error "required from here" } + std::isupper(make_str<wchar_t, 2>(), loc); // { dg-error "required from here" } + std::islower(make_str<wchar_t, 3>(), loc); // { dg-error "required from here" } + std::isalpha(make_str<wchar_t, 4>(), loc); // { dg-error "required from here" } + std::isdigit(make_str<wchar_t, 5>(), loc); // { dg-error "required from here" } + std::ispunct(make_str<wchar_t, 6>(), loc); // { dg-error "required from here" } + std::isxdigit(make_str<wchar_t, 7>(), loc); // { dg-error "required from here" } + std::isalnum(make_str<wchar_t, 8>(), loc); // { dg-error "required from here" } + std::isgraph(make_str<wchar_t, 9>(), loc); // { dg-error "required from here" } + std::isblank(make_str<wchar_t, 10>(), loc); // { dg-error "required from here" } + std::toupper(make_str<wchar_t, 11>(), loc); // { dg-error "required from here" } + std::tolower(make_str<wchar_t, 12>(), loc); // { dg-error "required from here" } +} +#endif |