clang-tools-extra/test/clang-tidy/infrastructure/duplicate-fixes-of-alias-checkers.cpp

   1 // RUN: %check_clang_tidy %s cppcoreguidelines-pro-type-member-init,hicpp-member-init,modernize-use-emplace,hicpp-use-emplace %t
   2
   3 namespace std {
   4
   5 template <typename T>
   6 class vector {
   7 public:
   8   void push_back(const T &) {}
   9   void push_back(T &&) {}
  10
  11   template <typename... Args>
  12   void emplace_back(Args &&... args){};
  13 };
  14 } // namespace std
  15
  16 class Foo {
  17 public:
  18   Foo() : _num1(0)
  19   // CHECK-MESSAGES: warning: constructor does not initialize these fields: _num2 [cppcoreguidelines-pro-type-member-init,hicpp-member-init]
  20   {
  21     _num1 = 10;
  22   }
  23
  24   int use_the_members() const {
  25     return _num1 + _num2;
  26   }
  27
  28 private:
  29   int _num1;
  30   int _num2;
  31   // CHECK-FIXES: _num2{};
  32 };
  33
  34 int should_use_emplace(std::vector<Foo> &v) {
  35   v.push_back(Foo());
  36   // CHECK-FIXES: v.emplace_back();
  37   // CHECK-MESSAGES: warning: use emplace_back instead of push_back [hicpp-use-emplace,modernize-use-emplace]
  38 }
  39