compilerplugins/clang/test/bufferadd.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 <rtl/strbuf.hxx>
  11 #include <rtl/string.hxx>
  12 #include <rtl/ustrbuf.hxx>
  13 #include <rtl/ustring.hxx>
  14
  15 // ---------------------------------------------------------------
  16 // replacing OUStringBuffer.append sequences to OUString+
  17 namespace test1
  18 {
  19 void f1()
  20 {
  21     // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  22     OUStringBuffer v;
  23     v.append("xxx");
  24     v.append("xxx");
  25 }
  26 void f2()
  27 {
  28     // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  29     OUStringBuffer v;
  30     v.append("xxx").append("aaaa");
  31 }
  32 void f3(OString class_name)
  33 {
  34     // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  35     OStringBuffer sig_buf(5 + class_name.getLength());
  36     sig_buf.append("(I)L");
  37     //sig_buf.append( class_name.replace( '.', '/' ) );
  38     sig_buf.append(';');
  39     OString sig(sig_buf.makeStringAndClear());
  40     (void)sig;
  41 }
  42 void f4(sal_Unicode const* pPathBegin)
  43 {
  44     // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  45     OUStringBuffer v;
  46     v.append(pPathBegin, 12);
  47     v.append("aaaa");
  48 }
  49 void f5(OUStringBuffer& input)
  50 {
  51     // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  52     OUStringBuffer v(input);
  53     v.append("aaaa");
  54 }
  55 struct Footer
  56 {
  57     OStringBuffer m_descriptorStart;
  58     OString m_descriptorEnd;
  59     OString f8() const
  60     {
  61         // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  62         OStringBuffer buf(m_descriptorStart);
  63         buf.append(m_descriptorEnd);
  64         return buf.makeStringAndClear();
  65     }
  66 };
  67 }
  68
  69 namespace test2
  70 {
  71 void f2()
  72 {
  73     // no warning expected
  74     OUStringBuffer v;
  75     v.append("xxx");
  76     if (true)
  77         v.append("yyyy");
  78 }
  79 void appendTo(OUStringBuffer&);
  80 void f3()
  81 {
  82     // no warning expected
  83     OUStringBuffer v;
  84     appendTo(v);
  85     v.append("xxx");
  86 }
  87 void f4()
  88 {
  89     // no warning expected
  90     OUStringBuffer v;
  91     v.append("xxx");
  92     v.setLength(0);
  93 }
  94 void f5()
  95 {
  96     // no warning expected
  97     OUStringBuffer v;
  98     v.append("xxx");
  99     v[1] = 'x';
 100 }
 101 void f6()
 102 {
 103     // no warning expected
 104     OUStringBuffer noel1("xxx");
 105     while (true)
 106         noel1.append("ffff").append("aaa");
 107 }
 108 }
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */