clang-tools-extra/test/clang-change-namespace/lambda-function.cpp

   1 // RUN: clang-change-namespace -old_namespace "na::nb" -new_namespace "x::y" --file_pattern ".*" %s -- -std=c++11 | sed 's,// CHECK.*,,' | FileCheck %s
   2
   3 template <class T>
   4 class function;
   5 template <class R, class... ArgTypes>
   6 class function<R(ArgTypes...)> {
   7 public:
   8   template <typename Functor>
   9   function(Functor f) {}
  10   R operator()(ArgTypes...) const {}
  11 };
  12
  13 namespace x {
  14 // CHECK: namespace x {
  15 class X {};
  16 }
  17
  18 namespace na {
  19 namespace nb {
  20 // CHECK: namespace x {
  21 // CHECK-NEXT: namespace y {
  22 void f(function<void(int)> func, int param) { func(param); }
  23 void g() { f([](int x) {}, 1); }
  24
  25 // x::X in function type parameter list will have translation unit context, so
  26 // we simply replace it with fully-qualified name.
  27 using TX = function<x::X(x::X)>;
  28 // CHECK: using TX = function<X(x::X)>;
  29
  30 class A {};
  31 using TA = function<A(A)>;
  32 // CHECK: using TA = function<A(A)>;
  33
  34 // CHECK: } // namespace y
  35 // CHECK-NEXT: } // namespace x
  36 }
  37 }