clang/test/CXX/except/except.spec/p2-places.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s
   2
   3 // Tests where specs are allowed and where they aren't.
   4
   5 namespace dyn {
   6
   7   // Straight from the standard:
   8
   9   // Plain function with spec
  10   void f() throw(int);
  11
  12   // Pointer to function with spec
  13   void (*fp)() throw (int);
  14
  15   // Function taking reference to function with spec
  16   void g(void pfa() throw(int));
  17
  18   // Typedef for pointer to function with spec
  19   typedef int (*pf)() throw(int); // expected-error {{specifications are not allowed in typedefs}}
  20
  21   // Some more:
  22
  23   // Function returning function with spec
  24   void (*h())() throw(int);
  25
  26   // Ultimate parser thrill: function with spec returning function with spec and
  27   // taking pointer to function with spec.
  28   // The actual function throws int, the return type double, the argument float.
  29   void (*i() throw(int))(void (*)() throw(float)) throw(double);
  30
  31   // Pointer to pointer to function taking function with spec
  32   void (**k)(void pfa() throw(int)); // no-error
  33
  34   // Pointer to pointer to function with spec
  35   void (**j)() throw(int); // expected-error {{not allowed beyond a single}}
  36
  37   // Pointer to function returning pointer to pointer to function with spec
  38   void (**(*h())())() throw(int); // expected-error {{not allowed beyond a single}}
  39
  40   // FIXME: Missing a lot of negative tests, primarily type-ids in various places
  41   // We fail to diagnose all of those.
  42 }
  43
  44 namespace noex {
  45
  46   // These parallel those from above.
  47
  48   void f() noexcept(false);
  49
  50   void (*fp)() noexcept(false);
  51
  52   void g(void pfa() noexcept(false));
  53
  54   typedef int (*pf)() noexcept(false); // expected-error {{specifications are not allowed in typedefs}}
  55
  56   void (*h())() noexcept(false);
  57
  58   void (*i() noexcept(false))(void (*)() noexcept(true)) noexcept(false);
  59
  60   void (**k)(void pfa() noexcept(false)); // no-error
  61
  62   void (**j)() noexcept(false); // expected-error {{not allowed beyond a single}}
  63
  64   void (**(*h())())() noexcept(false); // expected-error {{not allowed beyond a single}}
  65 }