Viewing file:  range-for14.C (1.46 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
// Test for other range-based for loops with
// begin/end member functions
// { dg-do compile { target c++11 } }
//These should not be used
template<typename T> int *begin(T &t)
{
T::fail;
return 0;
}
template<typename T> int *end(T &t)
{
T::fail;
return 0;
}
//Test for defaults
struct default1
{
int *begin(int x); // { dg-message "note" }
int *end();
};
struct default2
{
int *begin(int x=0);
int *end();
};
struct default3
{
template <typename T> T *begin(); // { dg-message "note" }
int *end();
};
struct default4
{
template <typename T=int> T *begin();
int *end();
};
struct default5
{
template <typename T=int> T *begin(int x=0);
int *end();
};
void test1()
{
for (int x : default1()); // { dg-error "no matching function|note" }
for (int x : default2());
for (int x : default3()); // { dg-error "no matching function|note" }
for (int x : default4());
for (int x : default5());
}
//Inheritance tests
struct base_begin
{
int *begin(); // { dg-message "" }
};
struct base_end
{
int *end();
};
struct derived1 : base_begin, base_end
{
};
struct base_begin2 : base_begin
{
};
struct derived2 : base_begin, base_end, base_begin2 // { dg-warning "" }
{
};
struct base_begin3 : virtual base_begin
{
};
struct derived3 : virtual base_begin, base_end, base_begin3
{
};
void test2()
{
for (int x : derived1());
for (int x : derived2()); // { dg-error "is ambiguous" }
for (int x : derived3());
}
|
