llvm-project/clang/test/CXX/except/except.spec/p1.cpp

82 lines
1.7 KiB
C++

// RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s
// Simple parser tests, dynamic specification.
namespace dyn {
struct X { };
struct Y { };
void f() throw() { }
void g(int) throw(X) { }
void h() throw(X, Y) { }
class Class {
void foo() throw (X, Y) { }
};
void (*fptr)() throw();
}
// Simple parser tests, noexcept specification.
namespace noex {
void f1() noexcept { }
void f2() noexcept (true) { }
void f3() noexcept (false) { }
void f4() noexcept (1 < 2) { }
class CA1 {
void foo() noexcept { }
void bar() noexcept (true) { }
};
void (*fptr1)() noexcept;
void (*fptr2)() noexcept (true);
}
namespace mix {
void f() throw(int) noexcept { } // expected-error {{cannot have both}}
void g() noexcept throw(int) { } // expected-error {{cannot have both}}
}
// Sema tests, noexcept specification
namespace noex {
struct A {};
void g1() noexcept(A()); // expected-error {{not contextually convertible}}
void g2(bool b) noexcept(b); // expected-error {{argument to noexcept specifier must be a constant expression}} expected-note {{read of non-const variable 'b'}} expected-note {{here}}
}
namespace noexcept_unevaluated {
template<typename T> bool f(T) {
T* x = 1;
}
template<typename T>
void g(T x) noexcept((sizeof(T) == sizeof(int)) || noexcept(f(x))) { }
void h() {
g(1);
}
}
namespace PR11084 {
template<int X> struct A {
static int f() noexcept(1/X) { return 10; } // expected-error{{argument to noexcept specifier must be a constant expression}} expected-note{{division by zero}}
};
void g() { A<0>::f(); } // expected-note{{in instantiation of exception specification for 'f' requested here}}
}