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libreoffice/compilerplugins/clang/test/stringconcatauto.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

59 lines
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* Based on LLVM/Clang.
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*/
#include <rtl/ustring.hxx>
void foo()
{
auto str1 = "str1" + OUString::number(10);
// expected-error-re@-1 {{creating a variable of type {{.+}} will make it reference temporaries}}
// expected-note@-2 {{use O(U)String instead}}
OUString str2 = "str2" + OUString::number(20) + "ing";
const auto& str3 = "str3" + OUString::number(30);
// expected-error-re@-1 {{creating a variable of type {{.+}} will make it reference temporaries}}
// expected-note@-2 {{use O(U)String instead}}
const auto str4 = "str4" + OString::number(40);
// expected-error-re@-1 {{creating a variable of type {{.+}} will make it reference temporaries}}
// expected-note@-2 {{use O(U)String instead}}
auto str5 = OUString::number(50);
auto str6 = OUString::number(50).toAsciiUpperCase();
(void)str1;
(void)str2;
(void)str3;
(void)str4;
(void)str5;
(void)str6;
}
struct A
{
auto bar()
// expected-error-re@-1 {{returning a variable of type {{.+}} will make it reference temporaries}}
// expected-note@-2 {{use O(U)String instead}}
{
return "bar" + OString::number(110);
}
auto baz() { return OString::number(120); }
auto baz2() { return OString::number(120).toAsciiUpperCase(); }
};
template <typename T> void fun(const T& par)
// parameters are without warnings
{
const T& var = par;
// expected-error-re@-1 {{creating a variable of type 'const rtl::StringConcat<{{.*}}> &' will make it reference temporaries}}
// expected-note@-2 {{use O(U)String instead}}
(void)var;
}
void testfun() { fun("fun" + OUString::number(200)); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */