compilerplugins/clang/test/stringconcatliterals.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <ostream>
  13
  14 #include <rtl/string.hxx>
  15 #include <rtl/ustring.hxx>
  16
  17 #pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13
  18 #pragma clang diagnostic ignored "-Wunused-but-set-variable"
  19
  20 #define FOO "foo"
  21 #define FOOu u"foo"
  22
  23 void f(std::ostream& s1)
  24 {
  25     static constexpr char foo[] = "foo";
  26     static constexpr char16_t foou[] = u"foo";
  27     s1 << "foo"
  28        << "foo";
  29     // expected-error@-1 {{replace '<<' between string literals with juxtaposition}}
  30     s1 << "foo" << FOO;
  31     // expected-error@-1 {{replace '<<' between string literals with juxtaposition}}
  32     s1 << "foo" << foo;
  33     s1 << "foo" << OString("foo");
  34     // expected-error@-1 {{replace '<<' between string literals with juxtaposition}}
  35     s1 << "foo" << OString(FOO);
  36     // expected-error@-1 {{replace '<<' between string literals with juxtaposition}}
  37     s1 << "foo" << OString(foo);
  38     s1 << "foo" << OUString("foo");
  39     // expected-error@-1 {{replace '<<' between string literals with juxtaposition}}
  40     s1 << "foo" << OUString(FOO);
  41     // expected-error@-1 {{replace '<<' between string literals with juxtaposition}}
  42     s1 << "foo" << OUString(foo);
  43     OString s2;
  44     s2 = "foo" + OString("foo");
  45     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  46     s2 = "foo" + OString(FOO);
  47     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  48     s2 = "foo" + OString(foo);
  49     s2 = "foo" + OStringLiteral("foo");
  50     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  51     s2 = "foo" + OStringLiteral(FOO);
  52     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  53     s2 = "foo" + OStringLiteral(foo);
  54     OUString s3;
  55     s3 = "foo" + OUString("foo");
  56     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  57     s3 = "foo" + OUString(FOO);
  58     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  59     s3 = "foo" + OUString(foo);
  60     s3 = "foo" + OUStringLiteral(u"foo");
  61     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  62     s3 = "foo" + OUStringLiteral(FOOu);
  63     // expected-error@-1 {{replace '+' between string literals with juxtaposition}}
  64     s3 = "foo" + OUStringLiteral(foou);
  65 }
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */