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Better testing of CGAL::is_streamable<T>

This commit is contained in:
Laurent Rineau 2012-04-16 12:48:50 +00:00
parent dcfe23867b
commit 9d041ed59a
1 changed files with 7 additions and 0 deletions
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7
STL_Extension/test/STL_Extension/test_is_streamable.cpp
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@ -5,6 +5,8 @@
struct A {};
struct B {};
struct C {};
struct D {};
using std::ostream;
using std::istream;
@ -12,6 +14,9 @@ using std::istream;
ostream& operator<<(ostream& os, const B&) { return os; }
istream& operator>>(istream& is, const B&) { return is; }
ostream& operator<<(ostream& os, const C&) { return os; }
istream& operator>>(istream& is, const D&) { return is; }
int main() {
typedef std::vector<int>::const_iterator vector_it;
typedef int* int_p;
@ -19,6 +24,8 @@ int main() {
CGAL_static_assertion(!is_streamable<A>::value);
CGAL_static_assertion(is_streamable<B>::value);
CGAL_static_assertion(!is_streamable<C>::value);
CGAL_static_assertion(!is_streamable<D>::value);
CGAL_static_assertion(is_streamable<int>::value);
CGAL_static_assertion(is_streamable<double>::value);
CGAL_static_assertion(! (is_streamable<std::pair<int, int> >::value) );