llvm-project/clang/test/Parser/cxx-template-argument.cpp

45 lines
1.4 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
template<typename T> struct A {};
// Check for template argument lists followed by junk
// FIXME: The diagnostics here aren't great...
A<int+> int x; // expected-error {{expected '>'}} expected-error {{expected unqualified-id}}
A<int x; // expected-error {{expected '>'}}
// PR8912
template <bool> struct S {};
S<bool(2 > 1)> s;
// Test behavior when a template-id is ended by a token which starts with '>'.
namespace greatergreater {
template<typename T> struct S { S(); S(T); };
void f(S<int>=0); // expected-error {{a space is required between a right angle bracket and an equals sign (use '> =')}}
void f(S<S<int>>=S<int>()); // expected-error {{use '> >'}} expected-error {{use '> ='}}
template<typename T> void t();
void g() {
void (*p)() = &t<int>;
(void)(&t<int>==p); // expected-error {{use '> ='}}
(void)(&t<int>>=p); // expected-error {{use '> >'}}
(void)(&t<S<int>>>=p); // expected-error {{use '> >'}}
(void)(&t<S<int>>==p); // expected-error {{use '> >'}} expected-error {{use '> ='}}
}
}
namespace PR5925 {
template <typename x>
class foo { // expected-note {{here}}
};
void bar(foo *X) { // expected-error {{requires template arguments}}
}
}
namespace PR13210 {
template <class T>
class C {}; // expected-note {{here}}
void f() {
new C(); // expected-error {{requires template arguments}}
}
}