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// Test for range-based for loop with templates
// { dg-do run { target c++11 } }
/* Preliminary declarations */
namespace pre
{
struct iterator
{
int x;
iterator (int v) :x(v) {}
iterator &operator ++() { ++x; return *this; }
int operator *() { return x; }
bool operator != (const iterator &o) { return x != o.x; }
};
struct container
{
int min, max;
container(int a, int b) :min(a), max(b) {}
};
iterator begin(const container &c)
{
return iterator(c.min);
}
iterator end(const container &c)
{
return iterator(c.max);
}
} //namespace pre
using pre::container;
extern "C" void abort(void);
container run_me_just_once()
{
static bool run = false;
if (run)
abort();
run = true;
return container(1,2);
}
/* Template with dependent expression. */
template<typename T> int test1(const T &r)
{
int t = 0;
for (int i : r)
t += i;
return t;
}
/* Template with non-dependent expression and dependent declaration. */
template<typename T> int test2(const container &r)
{
int t = 0;
for (T i : r)
t += i;
return t;
}
/* Template with non-dependent expression (array) and dependent declaration. */
template<typename T> int test2(const int (&r)[4])
{
int t = 0;
for (T i : r)
t += i;
return t;
}
/* Template with non-dependent expression and auto declaration. */
template<typename T> int test3(const container &r)
{
int t = 0;
for (auto i : r)
t += i;
return t;
}
/* Template with non-dependent expression (array) and auto declaration. */
template<typename T> int test3(const int (&r)[4])
{
int t = 0;
for (auto i : r)
t += i;
return t;
}
int main ()
{
container c(1,5);
int a[4] = {5,6,7,8};
for (auto x : run_me_just_once())
;
if (test1 (c) != 10)
abort();
if (test1 (a) != 26)
abort();
if (test2<int> (c) != 10)
abort();
if (test2<int> (a) != 26)
abort();
if (test3<int> (c) != 10)
abort();
if (test3<int> (a) != 26)
abort();
return 0;
}
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