Fixes compatibility with gcc 4.3's tuple implementation.

This commit is contained in:
shiqian 2008-12-11 17:22:59 +00:00
parent c50af1ab55
commit c97f2f560b
2 changed files with 97 additions and 8 deletions

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@ -365,19 +365,85 @@ struct TuplePrefixPrinter<1> {
}
};
// We support tuples of up-to 10 fields. Note that an N-tuple type is
// just an (N + 1)-tuple type where the last field has a special,
// unused type.
// Helper function for printing a tuple. T must be instantiated with
// a tuple type.
template <typename T>
void PrintTupleTo(const T& t, ::std::ostream* os) {
*os << "(";
TuplePrefixPrinter< ::std::tr1::tuple_size<T>::value>::
PrintPrefixTo(t, os);
*os << ")";
}
// Overloaded PrintTo() for tuples of various arities. We support
// tuples of up-to 10 fields. The following implementation works
// regardless of whether tr1::tuple is implemented using the
// non-standard variadic template feature or not.
inline void PrintTo(const ::std::tr1::tuple<>& t, ::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1>
void PrintTo(const ::std::tr1::tuple<T1>& t, ::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2>
void PrintTo(const ::std::tr1::tuple<T1, T2>& t, ::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3>& t, ::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3, T4>& t, ::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3, T4, T5>& t,
::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3, T4, T5, T6>& t,
::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6, typename T7>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3, T4, T5, T6, T7>& t,
::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6, typename T7, typename T8>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3, T4, T5, T6, T7, T8>& t,
::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6, typename T7, typename T8, typename T9>
void PrintTo(const ::std::tr1::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9>& t,
::std::ostream* os) {
PrintTupleTo(t, os);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6, typename T7, typename T8, typename T9, typename T10>
void PrintTo(
const ::std::tr1::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>& t,
::std::ostream* os) {
typedef ::std::tr1::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> Tuple;
*os << "(";
TuplePrefixPrinter< ::std::tr1::tuple_size<Tuple>::value>::
PrintPrefixTo(t, os);
*os << ")";
PrintTupleTo(t, os);
}
// Overload for std::pair.

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@ -754,6 +754,29 @@ TEST(PrintTupleTest, VariousSizes) {
tuple<char, bool> t2('a', true);
EXPECT_EQ("('a' (97), true)", Print(t2));
tuple<bool, int, int> t3(false, 2, 3);
EXPECT_EQ("(false, 2, 3)", Print(t3));
tuple<bool, int, int, int> t4(false, 2, 3, 4);
EXPECT_EQ("(false, 2, 3, 4)", Print(t4));
tuple<bool, int, int, int, bool> t5(false, 2, 3, 4, true);
EXPECT_EQ("(false, 2, 3, 4, true)", Print(t5));
tuple<bool, int, int, int, bool, int> t6(false, 2, 3, 4, true, 6);
EXPECT_EQ("(false, 2, 3, 4, true, 6)", Print(t6));
tuple<bool, int, int, int, bool, int, int> t7(false, 2, 3, 4, true, 6, 7);
EXPECT_EQ("(false, 2, 3, 4, true, 6, 7)", Print(t7));
tuple<bool, int, int, int, bool, int, int, bool> t8(
false, 2, 3, 4, true, 6, 7, true);
EXPECT_EQ("(false, 2, 3, 4, true, 6, 7, true)", Print(t8));
tuple<bool, int, int, int, bool, int, int, bool, int> t9(
false, 2, 3, 4, true, 6, 7, true, 9);
EXPECT_EQ("(false, 2, 3, 4, true, 6, 7, true, 9)", Print(t9));
const char* const str = "8";
tuple<bool, char, short, testing::internal::Int32, // NOLINT
testing::internal::Int64, float, double, const char*, void*, string>