compilerplugins/clang/test/sequentialassign.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/ustring.hxx>
  11
  12 namespace test1
  13 {
  14 void f(OUString s1)
  15 {
  16     OUString s2 = s1;
  17     // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
  18     s2 = s2.getToken(0, '(');
  19 }
  20 }
  21
  22 namespace test2
  23 {
  24 OUString s2;
  25 void f(OUString s1)
  26 {
  27     s2 = s1;
  28     // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
  29     s2 = s2.getToken(0, '(');
  30 }
  31 }
  32
  33 namespace test3
  34 {
  35 struct VolumeInfo
  36 {
  37     OUString getFileSystemName();
  38 };
  39 OUString aNullURL("");
  40 void f(VolumeInfo _aVolumeInfo)
  41 {
  42     OUString aFileSysName(aNullURL);
  43     // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
  44     aFileSysName = _aVolumeInfo.getFileSystemName();
  45 }
  46 }
  47
  48 namespace test4
  49 {
  50 struct B3DVector
  51 {
  52     B3DVector getPerpendicular();
  53 };
  54 void f(B3DVector aNewVPN)
  55 {
  56     B3DVector aNewToTheRight = aNewVPN;
  57     // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
  58     aNewToTheRight = aNewToTheRight.getPerpendicular();
  59 }
  60 }
  61
  62 namespace test5
  63 {
  64 void f(OUString s, int x)
  65 {
  66     int nPos = x;
  67     // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
  68     nPos = s.indexOf("x", nPos);
  69 }
  70 }
  71
  72 namespace test6
  73 {
  74 void f()
  75 {
  76     OUString s2("xxxx");
  77     s2 = s2.getToken(0, '('); // no warning expected
  78 }
  79 }
  80
  81 namespace test7
  82 {
  83 class Class1
  84 {
  85     OUString m_field1;
  86     void foo(Class1& rOther)
  87     {
  88         OUString s = rOther.m_field1;
  89         // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
  90         s = s.copy(1, 2);
  91     }
  92 };
  93 }
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */