llvm-project/clang/test/SemaCXX/cast-conversion.cpp

48 lines
1.2 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
struct R {
R(int);
};
struct A {
A(R);
};
struct B { // expected-note 3 {{candidate constructor (the implicit copy constructor) not viable}} \
expected-note 3 {{candidate constructor (the implicit move constructor) not viable}}
B(A); // expected-note 3 {{candidate constructor not viable}}
};
int main () {
B(10); // expected-error {{no matching conversion for functional-style cast from 'int' to 'B'}}
(B)10; // expected-error {{no matching conversion for C-style cast from 'int' to 'B'}}
static_cast<B>(10); // expected-error {{no matching conversion for static_cast from 'int' to 'B'}} \\
// expected-warning {{expression result unused}}
}
template<class T>
struct X0 {
X0(const T &);
};
template<class T>
X0<T> make_X0(const T &Val) {
return X0<T>(Val);
}
void test_X0() {
const char array[2] = { 'a', 'b' };
make_X0(array);
}
// PR5210 recovery
class C {
protected:
template <int> float* &f0(); // expected-note{{candidate}}
template <unsigned> float* &f0(); // expected-note{{candidate}}
void f1() {
static_cast<float*>(f0<0>()); // expected-error{{ambiguous}}
}
};