tools/clang/empty_string/tests/test-original.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Test file for the empty string clang tool.
   6
   7 #include <string>
   8
   9 // Tests for std::string declarations.
  10 void TestDeclarations() { std::string a(""), b("abc"), c(""); }
  11
  12 // Tests for std::string allocated with new.
  13 void TestNew() {
  14   std::string* a = new std::string(""),
  15               *b = new std::string("abc"),
  16               *c = new std::string(""),
  17               *d = new std::string();
  18 }
  19
  20 // Tests for std::string construction in initializer lists.
  21 class TestInitializers {
  22  public:
  23   TestInitializers() : a("") {}
  24   TestInitializers(bool) : a(""), b("") {}
  25   TestInitializers(double) : a(""), b("cat"), c() {}
  26
  27  private:
  28   std::string a;
  29   std::string b;
  30   std::string c;
  31 };
  32
  33 // Tests for temporary std::strings.
  34 void TestTemporaries(const std::string& reference_argument,
  35                      const std::string value_argument) {
  36   TestTemporaries("", "");
  37   TestTemporaries(std::string(""), std::string(""));
  38 }
  39
  40 // Tests for temporary std::wstrings.
  41 void TestWideTemporaries(const std::wstring& reference_argument,
  42                          const std::wstring value_argument) {
  43   TestWideTemporaries(L"", L"");
  44   TestWideTemporaries(std::wstring(L""), std::wstring(L""));
  45 }
  46