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libreoffice/compilerplugins/clang/test/stringliteralvar.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

134 lines
5.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/config.h>
#include <iterator>
#include <vector>
#include <rtl/ustring.hxx>
// expected-error-re@+1 {{change type of variable 'literal1' from constant character array ('const char{{ ?}}[4]') to OStringLiteral [loplugin:stringliteralvar]}}
char const literal1[] = "foo";
OString f1()
{
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OString' constructor here [loplugin:stringliteralvar]}}
return literal1;
}
void f(OUString const&);
void f2()
{
// expected-error-re@+1 {{change type of variable 'literal' from constant character array ('const char{{ ?}}[4]') to OUStringLiteral, and make it static [loplugin:stringliteralvar]}}
char const literal[] = "foo";
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OUString' constructor here [loplugin:stringliteralvar]}}
f(literal);
}
struct S3
{
// expected-error-re@+1 {{change type of variable 'literal' from constant character array ('const char16_t{{ ?}}[4]') to OUStringLiteral [loplugin:stringliteralvar]}}
static constexpr char16_t literal[] = u"foo";
};
void f3()
{
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OUString' constructor here [loplugin:stringliteralvar]}}
f(OUString(S3::literal, 3));
}
std::vector<OUString> f4()
{
// expected-error-re@+1 {{change type of variable 'literal' from constant character array ('const char16_t{{ ?}}[4]') to OUStringLiteral [loplugin:stringliteralvar]}}
static constexpr char16_t literal[] = u"foo";
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OUString' constructor here [loplugin:stringliteralvar]}}
return { OUString(literal, 3) };
}
void f5()
{
// expected-error-re@+1 {{variable 'literal' of type 'const {{(rtl::)?}}OUStringLiteral<4>'{{( \(aka 'const rtl::OUStringLiteral<4>'\))?}} with automatic storage duration most likely needs to be static [loplugin:stringliteralvar]}}
OUStringLiteral const literal = u"foo";
// expected-note-re@+1 {{first converted to '{{(rtl::)?}}OUString' here [loplugin:stringliteralvar]}}
f(literal);
}
void f6()
{
// expected-error-re@+1 {{variable 'literal' of type 'const {{(rtl::)?}}OUStringLiteral<4>'{{( \(aka 'const rtl::OUStringLiteral<4>'\))?}} with automatic storage duration most likely needs to be static [loplugin:stringliteralvar]}}
constexpr OUStringLiteral literal = u"foo";
// expected-note-re@+1 {{first converted to '{{(rtl::)?}}OUString' here [loplugin:stringliteralvar]}}
f(literal);
}
void f7()
{
static constexpr OUStringLiteral const literal = u"foo";
f(literal);
}
void f8()
{
static constexpr OUStringLiteral const literal = u"foo";
// expected-error-re@+1 {{variable 'literal' of type 'const {{(rtl::)?}}OUStringLiteral<4>'{{( \(aka 'const rtl::OUStringLiteral<4>'\))?}} suspiciously used in a sizeof expression [loplugin:stringliteralvar]}}
(void)sizeof literal;
}
void f9()
{
// expected-error-re@+1 {{change type of variable 'literal' from constant character array ('const sal_Unicode{{ ?}}[3]'{{( \(aka 'const char16_t\[3\]'\))?}}) to OUStringLiteral [loplugin:stringliteralvar]}}
static sal_Unicode const literal[] = { 'f', 'o', 'o' };
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OUString' constructor here [loplugin:stringliteralvar]}}
f(OUString(literal, std::size(literal)));
}
void f10()
{
// expected-error-re@+1 {{change type of variable 'literal' from constant character array ('const sal_Unicode{{ ?}}[3]'{{( \(aka 'const char16_t\[3\]'\))?}}) to OUStringLiteral [loplugin:stringliteralvar]}}
static sal_Unicode const literal[] = { 'f', 'o', 'o' };
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OUString' constructor here [loplugin:stringliteralvar]}}
f(OUString(literal, 3));
}
void f11(int nStreamType)
{
// expected-error-re@+1 {{change type of variable 'sDocumentType' from constant character array ('const char{{ ?}}[4]') to OUStringLiteral, and make it static [loplugin:stringliteralvar]}}
const char sDocumentType[] = "foo";
OUString sStreamType;
switch (nStreamType)
{
case 1:
// expected-note@+1 {{first assigned here [loplugin:stringliteralvar]}}
sStreamType = sDocumentType;
break;
}
(void)sStreamType;
}
extern sal_Unicode const extarr[1];
sal_Unicode init();
void f12()
{
// Suppress warnings if the array contains a malformed sequence of UTF-16 code units...:
static sal_Unicode const arr1[] = { 0xD800 };
f(OUString(arr1, 1));
// ...Or potentially contains a malformed sequence of UTF-16 code units...:
f(OUString(extarr, 1));
sal_Unicode const arr2[] = { init() };
f(OUString(arr2, 1));
// ...But generate a warning if the array contains a well-formed sequence of UTF-16 code units
// containing surrogates:
// expected-error-re@+1 {{change type of variable 'arr3' from constant character array ('const sal_Unicode{{ ?}}[2]'{{( \(aka 'const char16_t\[2\]'\))?}}) to OUStringLiteral [loplugin:stringliteralvar]}}
static sal_Unicode const arr3[] = { 0xD800, 0xDC00 };
// expected-note-re@+1 {{first passed into a '{{(rtl::)?}}OUString' constructor here [loplugin:stringliteralvar]}}
f(OUString(arr3, 2));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */