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 void f6(OString const& s)
  56 {
  57     // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  58     OUStringBuffer b("foo");
  59     b.append(OStringToOUString(s, RTL_TEXTENCODING_ASCII_US));
  60 }
  61 struct Footer
  62 {
  63     OStringBuffer m_descriptorStart;
  64     OString m_descriptorEnd;
  65     OString f8() const
  66     {
  67         // expected-error@+1 {{convert this append sequence into a *String + sequence [loplugin:bufferadd]}}
  68         OStringBuffer buf(m_descriptorStart);
  69         buf.append(m_descriptorEnd);
  70         return buf.makeStringAndClear();
  71     }
  72 };
  73 }
  74
  75 namespace test2
  76 {
  77 void f2()
  78 {
  79     // no warning expected
  80     OUStringBuffer v;
  81     v.append("xxx");
  82     if (true)
  83         v.append("yyyy");
  84 }
  85 void appendTo(OUStringBuffer&);
  86 void f3()
  87 {
  88     // no warning expected
  89     OUStringBuffer v;
  90     appendTo(v);
  91     v.append("xxx");
  92 }
  93 void f4()
  94 {
  95     // no warning expected
  96     OUStringBuffer v;
  97     v.append("xxx");
  98     v.setLength(0);
  99 }
 100 void f5()
 101 {
 102     // no warning expected
 103     OUStringBuffer v;
 104     v.append("xxx");
 105     v[1] = 'x';
 106 }
 107 void f6()
 108 {
 109     // no warning expected
 110     OUStringBuffer noel1("xxx");
 111     while (true)
 112         noel1.append("ffff").append("aaa");
 113 }
 114 }
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */