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

66 lines
2.0 KiB
C++

// RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s
// Tests where specs are allowed and where they aren't.
namespace dyn {
// Straight from the standard:
// Plain function with spec
void f() throw(int);
// Pointer to function with spec
void (*fp)() throw (int);
// Function taking reference to function with spec
void g(void pfa() throw(int));
// Typedef for pointer to function with spec
typedef int (*pf)() throw(int); // expected-error {{specifications are not allowed in typedefs}}
// Some more:
// Function returning function with spec
void (*h())() throw(int);
// Ultimate parser thrill: function with spec returning function with spec and
// taking pointer to function with spec.
// The actual function throws int, the return type double, the argument float.
void (*i() throw(int))(void (*)() throw(float)) throw(double);
// Pointer to pointer to function taking function with spec
void (**k)(void pfa() throw(int)); // no-error
// Pointer to pointer to function with spec
void (**j)() throw(int); // expected-error {{not allowed beyond a single}}
// Pointer to function returning pointer to pointer to function with spec
void (**(*h())())() throw(int); // expected-error {{not allowed beyond a single}}
// FIXME: Missing a lot of negative tests, primarily type-ids in various places
// We fail to diagnose all of those.
}
namespace noex {
// These parallel those from above.
void f() noexcept(false);
void (*fp)() noexcept(false);
void g(void pfa() noexcept(false));
typedef int (*pf)() noexcept(false); // expected-error {{specifications are not allowed in typedefs}}
void (*h())() noexcept(false);
void (*i() noexcept(false))(void (*)() noexcept(true)) noexcept(false);
void (**k)(void pfa() noexcept(false)); // no-error
void (**j)() noexcept(false); // expected-error {{not allowed beyond a single}}
void (**(*h())())() noexcept(false); // expected-error {{not allowed beyond a single}}
}