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Diffstat (limited to 'extern/gtest/include/gtest/gtest-printers.h')
-rw-r--r--extern/gtest/include/gtest/gtest-printers.h473
1 files changed, 204 insertions, 269 deletions
diff --git a/extern/gtest/include/gtest/gtest-printers.h b/extern/gtest/include/gtest/gtest-printers.h
index 8a33164cb38..56a05450ef5 100644
--- a/extern/gtest/include/gtest/gtest-printers.h
+++ b/extern/gtest/include/gtest/gtest-printers.h
@@ -26,10 +26,9 @@
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Author: wan@google.com (Zhanyong Wan)
-// Google Test - The Google C++ Testing Framework
+
+// Google Test - The Google C++ Testing and Mocking Framework
//
// This file implements a universal value printer that can print a
// value of any type T:
@@ -46,6 +45,10 @@
// 2. operator<<(ostream&, const T&) defined in either foo or the
// global namespace.
//
+// However if T is an STL-style container then it is printed element-wise
+// unless foo::PrintTo(const T&, ostream*) is defined. Note that
+// operator<<() is ignored for container types.
+//
// If none of the above is defined, it will print the debug string of
// the value if it is a protocol buffer, or print the raw bytes in the
// value otherwise.
@@ -92,20 +95,27 @@
// being defined as many user-defined container types don't have
// value_type.
+// GOOGLETEST_CM0001 DO NOT DELETE
+
#ifndef GTEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
#define GTEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
+#include <functional>
#include <ostream> // NOLINT
#include <sstream>
#include <string>
+#include <tuple>
+#include <type_traits>
#include <utility>
#include <vector>
-#include "gtest/internal/gtest-port.h"
#include "gtest/internal/gtest-internal.h"
+#include "gtest/internal/gtest-port.h"
-#if GTEST_HAS_STD_TUPLE_
-# include <tuple>
-#endif
+#if GTEST_HAS_ABSL
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+#include "absl/types/variant.h"
+#endif // GTEST_HAS_ABSL
namespace testing {
@@ -125,7 +135,11 @@ enum TypeKind {
kProtobuf, // a protobuf type
kConvertibleToInteger, // a type implicitly convertible to BiggestInt
// (e.g. a named or unnamed enum type)
- kOtherType // anything else
+#if GTEST_HAS_ABSL
+ kConvertibleToStringView, // a type implicitly convertible to
+ // absl::string_view
+#endif
+ kOtherType // anything else
};
// TypeWithoutFormatter<T, kTypeKind>::PrintValue(value, os) is called
@@ -137,8 +151,10 @@ class TypeWithoutFormatter {
public:
// This default version is called when kTypeKind is kOtherType.
static void PrintValue(const T& value, ::std::ostream* os) {
- PrintBytesInObjectTo(reinterpret_cast<const unsigned char*>(&value),
- sizeof(value), os);
+ PrintBytesInObjectTo(
+ static_cast<const unsigned char*>(
+ reinterpret_cast<const void*>(std::addressof(value))),
+ sizeof(value), os);
}
};
@@ -151,10 +167,10 @@ template <typename T>
class TypeWithoutFormatter<T, kProtobuf> {
public:
static void PrintValue(const T& value, ::std::ostream* os) {
- const ::testing::internal::string short_str = value.ShortDebugString();
- const ::testing::internal::string pretty_str =
- short_str.length() <= kProtobufOneLinerMaxLength ?
- short_str : ("\n" + value.DebugString());
+ std::string pretty_str = value.ShortDebugString();
+ if (pretty_str.length() > kProtobufOneLinerMaxLength) {
+ pretty_str = "\n" + value.DebugString();
+ }
*os << ("<" + pretty_str + ">");
}
};
@@ -175,6 +191,19 @@ class TypeWithoutFormatter<T, kConvertibleToInteger> {
}
};
+#if GTEST_HAS_ABSL
+template <typename T>
+class TypeWithoutFormatter<T, kConvertibleToStringView> {
+ public:
+ // Since T has neither operator<< nor PrintTo() but can be implicitly
+ // converted to absl::string_view, we print it as a absl::string_view.
+ //
+ // Note: the implementation is further below, as it depends on
+ // internal::PrintTo symbol which is defined later in the file.
+ static void PrintValue(const T& value, ::std::ostream* os);
+};
+#endif
+
// Prints the given value to the given ostream. If the value is a
// protocol message, its debug string is printed; if it's an enum or
// of a type implicitly convertible to BiggestInt, it's printed as an
@@ -202,10 +231,19 @@ class TypeWithoutFormatter<T, kConvertibleToInteger> {
template <typename Char, typename CharTraits, typename T>
::std::basic_ostream<Char, CharTraits>& operator<<(
::std::basic_ostream<Char, CharTraits>& os, const T& x) {
- TypeWithoutFormatter<T,
- (internal::IsAProtocolMessage<T>::value ? kProtobuf :
- internal::ImplicitlyConvertible<const T&, internal::BiggestInt>::value ?
- kConvertibleToInteger : kOtherType)>::PrintValue(x, &os);
+ TypeWithoutFormatter<T, (internal::IsAProtocolMessage<T>::value
+ ? kProtobuf
+ : std::is_convertible<
+ const T&, internal::BiggestInt>::value
+ ? kConvertibleToInteger
+ :
+#if GTEST_HAS_ABSL
+ std::is_convertible<
+ const T&, absl::string_view>::value
+ ? kConvertibleToStringView
+ :
+#endif
+ kOtherType)>::PrintValue(x, &os);
return os;
}
@@ -320,16 +358,6 @@ GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const wchar_t);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char, ::std::string);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char, ::std::string);
-#if GTEST_HAS_GLOBAL_STRING
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char, ::string);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char, ::string);
-#endif
-
-#if GTEST_HAS_GLOBAL_WSTRING
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(wchar_t, ::wstring);
-GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const wchar_t, ::wstring);
-#endif
-
#if GTEST_HAS_STD_WSTRING
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(wchar_t, ::std::wstring);
GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const wchar_t, ::std::wstring);
@@ -364,11 +392,18 @@ class UniversalPrinter;
template <typename T>
void UniversalPrint(const T& value, ::std::ostream* os);
+enum DefaultPrinterType {
+ kPrintContainer,
+ kPrintPointer,
+ kPrintFunctionPointer,
+ kPrintOther,
+};
+template <DefaultPrinterType type> struct WrapPrinterType {};
+
// Used to print an STL-style container when the user doesn't define
// a PrintTo() for it.
template <typename C>
-void DefaultPrintTo(IsContainer /* dummy */,
- false_type /* is not a pointer */,
+void DefaultPrintTo(WrapPrinterType<kPrintContainer> /* dummy */,
const C& container, ::std::ostream* os) {
const size_t kMaxCount = 32; // The maximum number of elements to print.
*os << '{';
@@ -401,40 +436,34 @@ void DefaultPrintTo(IsContainer /* dummy */,
// implementation-defined. Therefore they will be printed as raw
// bytes.)
template <typename T>
-void DefaultPrintTo(IsNotContainer /* dummy */,
- true_type /* is a pointer */,
+void DefaultPrintTo(WrapPrinterType<kPrintPointer> /* dummy */,
T* p, ::std::ostream* os) {
- if (p == NULL) {
+ if (p == nullptr) {
*os << "NULL";
} else {
- // C++ doesn't allow casting from a function pointer to any object
- // pointer.
- //
- // IsTrue() silences warnings: "Condition is always true",
- // "unreachable code".
- if (IsTrue(ImplicitlyConvertible<T*, const void*>::value)) {
- // T is not a function type. We just call << to print p,
- // relying on ADL to pick up user-defined << for their pointer
- // types, if any.
- *os << p;
- } else {
- // T is a function type, so '*os << p' doesn't do what we want
- // (it just prints p as bool). We want to print p as a const
- // void*. However, we cannot cast it to const void* directly,
- // even using reinterpret_cast, as earlier versions of gcc
- // (e.g. 3.4.5) cannot compile the cast when p is a function
- // pointer. Casting to UInt64 first solves the problem.
- *os << reinterpret_cast<const void*>(
- reinterpret_cast<internal::UInt64>(p));
- }
+ // T is not a function type. We just call << to print p,
+ // relying on ADL to pick up user-defined << for their pointer
+ // types, if any.
+ *os << p;
+ }
+}
+template <typename T>
+void DefaultPrintTo(WrapPrinterType<kPrintFunctionPointer> /* dummy */,
+ T* p, ::std::ostream* os) {
+ if (p == nullptr) {
+ *os << "NULL";
+ } else {
+ // T is a function type, so '*os << p' doesn't do what we want
+ // (it just prints p as bool). We want to print p as a const
+ // void*.
+ *os << reinterpret_cast<const void*>(p);
}
}
// Used to print a non-container, non-pointer value when the user
// doesn't define PrintTo() for it.
template <typename T>
-void DefaultPrintTo(IsNotContainer /* dummy */,
- false_type /* is not a pointer */,
+void DefaultPrintTo(WrapPrinterType<kPrintOther> /* dummy */,
const T& value, ::std::ostream* os) {
::testing_internal::DefaultPrintNonContainerTo(value, os);
}
@@ -452,11 +481,8 @@ void DefaultPrintTo(IsNotContainer /* dummy */,
// wants).
template <typename T>
void PrintTo(const T& value, ::std::ostream* os) {
- // DefaultPrintTo() is overloaded. The type of its first two
- // arguments determine which version will be picked. If T is an
- // STL-style container, the version for container will be called; if
- // T is a pointer, the pointer version will be called; otherwise the
- // generic version will be called.
+ // DefaultPrintTo() is overloaded. The type of its first argument
+ // determines which version will be picked.
//
// Note that we check for container types here, prior to we check
// for protocol message types in our operator<<. The rationale is:
@@ -468,13 +494,23 @@ void PrintTo(const T& value, ::std::ostream* os) {
// elements; therefore we check for container types here to ensure
// that our format is used.
//
- // The second argument of DefaultPrintTo() is needed to bypass a bug
- // in Symbian's C++ compiler that prevents it from picking the right
- // overload between:
- //
- // PrintTo(const T& x, ...);
- // PrintTo(T* x, ...);
- DefaultPrintTo(IsContainerTest<T>(0), is_pointer<T>(), value, os);
+ // Note that MSVC and clang-cl do allow an implicit conversion from
+ // pointer-to-function to pointer-to-object, but clang-cl warns on it.
+ // So don't use ImplicitlyConvertible if it can be helped since it will
+ // cause this warning, and use a separate overload of DefaultPrintTo for
+ // function pointers so that the `*os << p` in the object pointer overload
+ // doesn't cause that warning either.
+ DefaultPrintTo(
+ WrapPrinterType <
+ (sizeof(IsContainerTest<T>(0)) == sizeof(IsContainer)) &&
+ !IsRecursiveContainer<T>::value
+ ? kPrintContainer
+ : !std::is_pointer<T>::value
+ ? kPrintOther
+ : std::is_function<typename std::remove_pointer<T>::type>::value
+ ? kPrintFunctionPointer
+ : kPrintPointer > (),
+ value, os);
}
// The following list of PrintTo() overloads tells
@@ -553,27 +589,13 @@ void PrintRawArrayTo(const T a[], size_t count, ::std::ostream* os) {
}
}
-// Overloads for ::string and ::std::string.
-#if GTEST_HAS_GLOBAL_STRING
-GTEST_API_ void PrintStringTo(const ::string&s, ::std::ostream* os);
-inline void PrintTo(const ::string& s, ::std::ostream* os) {
- PrintStringTo(s, os);
-}
-#endif // GTEST_HAS_GLOBAL_STRING
-
+// Overloads for ::std::string.
GTEST_API_ void PrintStringTo(const ::std::string&s, ::std::ostream* os);
inline void PrintTo(const ::std::string& s, ::std::ostream* os) {
PrintStringTo(s, os);
}
-// Overloads for ::wstring and ::std::wstring.
-#if GTEST_HAS_GLOBAL_WSTRING
-GTEST_API_ void PrintWideStringTo(const ::wstring&s, ::std::ostream* os);
-inline void PrintTo(const ::wstring& s, ::std::ostream* os) {
- PrintWideStringTo(s, os);
-}
-#endif // GTEST_HAS_GLOBAL_WSTRING
-
+// Overloads for ::std::wstring.
#if GTEST_HAS_STD_WSTRING
GTEST_API_ void PrintWideStringTo(const ::std::wstring&s, ::std::ostream* os);
inline void PrintTo(const ::std::wstring& s, ::std::ostream* os) {
@@ -581,95 +603,45 @@ inline void PrintTo(const ::std::wstring& s, ::std::ostream* os) {
}
#endif // GTEST_HAS_STD_WSTRING
-#if GTEST_HAS_TR1_TUPLE || GTEST_HAS_STD_TUPLE_
-// 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);
-#endif // GTEST_HAS_TR1_TUPLE || GTEST_HAS_STD_TUPLE_
-
-#if GTEST_HAS_TR1_TUPLE
-// Overload for ::std::tr1::tuple. Needed for printing function arguments,
-// which are packed as tuples.
-
-// 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);
+#if GTEST_HAS_ABSL
+// Overload for absl::string_view.
+inline void PrintTo(absl::string_view sp, ::std::ostream* os) {
+ PrintTo(::std::string(sp), os);
}
+#endif // GTEST_HAS_ABSL
-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);
-}
+inline void PrintTo(std::nullptr_t, ::std::ostream* os) { *os << "(nullptr)"; }
-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 T>
+void PrintTo(std::reference_wrapper<T> ref, ::std::ostream* os) {
+ UniversalPrinter<T&>::Print(ref.get(), 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) {
- PrintTupleTo(t, os);
+// Helper function for printing a tuple. T must be instantiated with
+// a tuple type.
+template <typename T>
+void PrintTupleTo(const T&, std::integral_constant<size_t, 0>,
+ ::std::ostream*) {}
+
+template <typename T, size_t I>
+void PrintTupleTo(const T& t, std::integral_constant<size_t, I>,
+ ::std::ostream* os) {
+ PrintTupleTo(t, std::integral_constant<size_t, I - 1>(), os);
+ GTEST_INTENTIONAL_CONST_COND_PUSH_()
+ if (I > 1) {
+ GTEST_INTENTIONAL_CONST_COND_POP_()
+ *os << ", ";
+ }
+ UniversalPrinter<typename std::tuple_element<I - 1, T>::type>::Print(
+ std::get<I - 1>(t), os);
}
-#endif // GTEST_HAS_TR1_TUPLE
-#if GTEST_HAS_STD_TUPLE_
template <typename... Types>
void PrintTo(const ::std::tuple<Types...>& t, ::std::ostream* os) {
- PrintTupleTo(t, os);
+ *os << "(";
+ PrintTupleTo(t, std::integral_constant<size_t, sizeof...(Types)>(), os);
+ *os << ")";
}
-#endif // GTEST_HAS_STD_TUPLE_
// Overload for std::pair.
template <typename T1, typename T2>
@@ -710,6 +682,48 @@ class UniversalPrinter {
GTEST_DISABLE_MSC_WARNINGS_POP_()
};
+#if GTEST_HAS_ABSL
+
+// Printer for absl::optional
+
+template <typename T>
+class UniversalPrinter<::absl::optional<T>> {
+ public:
+ static void Print(const ::absl::optional<T>& value, ::std::ostream* os) {
+ *os << '(';
+ if (!value) {
+ *os << "nullopt";
+ } else {
+ UniversalPrint(*value, os);
+ }
+ *os << ')';
+ }
+};
+
+// Printer for absl::variant
+
+template <typename... T>
+class UniversalPrinter<::absl::variant<T...>> {
+ public:
+ static void Print(const ::absl::variant<T...>& value, ::std::ostream* os) {
+ *os << '(';
+ absl::visit(Visitor{os}, value);
+ *os << ')';
+ }
+
+ private:
+ struct Visitor {
+ template <typename U>
+ void operator()(const U& u) const {
+ *os << "'" << GetTypeName<U>() << "' with value ";
+ UniversalPrint(u, os);
+ }
+ ::std::ostream* os;
+ };
+};
+
+#endif // GTEST_HAS_ABSL
+
// UniversalPrintArray(begin, len, os) prints an array of 'len'
// elements, starting at address 'begin'.
template <typename T>
@@ -723,7 +737,6 @@ void UniversalPrintArray(const T* begin, size_t len, ::std::ostream* os) {
// If the array has more than kThreshold elements, we'll have to
// omit some details by printing only the first and the last
// kChunkSize elements.
- // TODO(wan@google.com): let the user control the threshold using a flag.
if (len <= kThreshold) {
PrintRawArrayTo(begin, len, os);
} else {
@@ -802,10 +815,10 @@ template <>
class UniversalTersePrinter<const char*> {
public:
static void Print(const char* str, ::std::ostream* os) {
- if (str == NULL) {
+ if (str == nullptr) {
*os << "NULL";
} else {
- UniversalPrint(string(str), os);
+ UniversalPrint(std::string(str), os);
}
}
};
@@ -822,7 +835,7 @@ template <>
class UniversalTersePrinter<const wchar_t*> {
public:
static void Print(const wchar_t* str, ::std::ostream* os) {
- if (str == NULL) {
+ if (str == nullptr) {
*os << "NULL";
} else {
UniversalPrint(::std::wstring(str), os);
@@ -856,110 +869,22 @@ void UniversalPrint(const T& value, ::std::ostream* os) {
UniversalPrinter<T1>::Print(value, os);
}
-typedef ::std::vector<string> Strings;
-
-// TuplePolicy<TupleT> must provide:
-// - tuple_size
-// size of tuple TupleT.
-// - get<size_t I>(const TupleT& t)
-// static function extracting element I of tuple TupleT.
-// - tuple_element<size_t I>::type
-// type of element I of tuple TupleT.
-template <typename TupleT>
-struct TuplePolicy;
-
-#if GTEST_HAS_TR1_TUPLE
-template <typename TupleT>
-struct TuplePolicy {
- typedef TupleT Tuple;
- static const size_t tuple_size = ::std::tr1::tuple_size<Tuple>::value;
-
- template <size_t I>
- struct tuple_element : ::std::tr1::tuple_element<I, Tuple> {};
-
- template <size_t I>
- static typename AddReference<
- const typename ::std::tr1::tuple_element<I, Tuple>::type>::type get(
- const Tuple& tuple) {
- return ::std::tr1::get<I>(tuple);
- }
-};
-template <typename TupleT>
-const size_t TuplePolicy<TupleT>::tuple_size;
-#endif // GTEST_HAS_TR1_TUPLE
-
-#if GTEST_HAS_STD_TUPLE_
-template <typename... Types>
-struct TuplePolicy< ::std::tuple<Types...> > {
- typedef ::std::tuple<Types...> Tuple;
- static const size_t tuple_size = ::std::tuple_size<Tuple>::value;
-
- template <size_t I>
- struct tuple_element : ::std::tuple_element<I, Tuple> {};
-
- template <size_t I>
- static const typename ::std::tuple_element<I, Tuple>::type& get(
- const Tuple& tuple) {
- return ::std::get<I>(tuple);
- }
-};
-template <typename... Types>
-const size_t TuplePolicy< ::std::tuple<Types...> >::tuple_size;
-#endif // GTEST_HAS_STD_TUPLE_
-
-#if GTEST_HAS_TR1_TUPLE || GTEST_HAS_STD_TUPLE_
-// This helper template allows PrintTo() for tuples and
-// UniversalTersePrintTupleFieldsToStrings() to be defined by
-// induction on the number of tuple fields. The idea is that
-// TuplePrefixPrinter<N>::PrintPrefixTo(t, os) prints the first N
-// fields in tuple t, and can be defined in terms of
-// TuplePrefixPrinter<N - 1>.
-//
-// The inductive case.
-template <size_t N>
-struct TuplePrefixPrinter {
- // Prints the first N fields of a tuple.
- template <typename Tuple>
- static void PrintPrefixTo(const Tuple& t, ::std::ostream* os) {
- TuplePrefixPrinter<N - 1>::PrintPrefixTo(t, os);
- GTEST_INTENTIONAL_CONST_COND_PUSH_()
- if (N > 1) {
- GTEST_INTENTIONAL_CONST_COND_POP_()
- *os << ", ";
- }
- UniversalPrinter<
- typename TuplePolicy<Tuple>::template tuple_element<N - 1>::type>
- ::Print(TuplePolicy<Tuple>::template get<N - 1>(t), os);
- }
+typedef ::std::vector< ::std::string> Strings;
// Tersely prints the first N fields of a tuple to a string vector,
// one element for each field.
- template <typename Tuple>
- static void TersePrintPrefixToStrings(const Tuple& t, Strings* strings) {
- TuplePrefixPrinter<N - 1>::TersePrintPrefixToStrings(t, strings);
- ::std::stringstream ss;
- UniversalTersePrint(TuplePolicy<Tuple>::template get<N - 1>(t), &ss);
- strings->push_back(ss.str());
- }
-};
-
-// Base case.
-template <>
-struct TuplePrefixPrinter<0> {
- template <typename Tuple>
- static void PrintPrefixTo(const Tuple&, ::std::ostream*) {}
-
- template <typename Tuple>
- static void TersePrintPrefixToStrings(const Tuple&, Strings*) {}
-};
-
-// Helper function for printing a tuple.
-// Tuple must be either std::tr1::tuple or std::tuple type.
template <typename Tuple>
-void PrintTupleTo(const Tuple& t, ::std::ostream* os) {
- *os << "(";
- TuplePrefixPrinter<TuplePolicy<Tuple>::tuple_size>::PrintPrefixTo(t, os);
- *os << ")";
+void TersePrintPrefixToStrings(const Tuple&, std::integral_constant<size_t, 0>,
+ Strings*) {}
+template <typename Tuple, size_t I>
+void TersePrintPrefixToStrings(const Tuple& t,
+ std::integral_constant<size_t, I>,
+ Strings* strings) {
+ TersePrintPrefixToStrings(t, std::integral_constant<size_t, I - 1>(),
+ strings);
+ ::std::stringstream ss;
+ UniversalTersePrint(std::get<I - 1>(t), &ss);
+ strings->push_back(ss.str());
}
// Prints the fields of a tuple tersely to a string vector, one
@@ -968,14 +893,24 @@ void PrintTupleTo(const Tuple& t, ::std::ostream* os) {
template <typename Tuple>
Strings UniversalTersePrintTupleFieldsToStrings(const Tuple& value) {
Strings result;
- TuplePrefixPrinter<TuplePolicy<Tuple>::tuple_size>::
- TersePrintPrefixToStrings(value, &result);
+ TersePrintPrefixToStrings(
+ value, std::integral_constant<size_t, std::tuple_size<Tuple>::value>(),
+ &result);
return result;
}
-#endif // GTEST_HAS_TR1_TUPLE || GTEST_HAS_STD_TUPLE_
} // namespace internal
+#if GTEST_HAS_ABSL
+namespace internal2 {
+template <typename T>
+void TypeWithoutFormatter<T, kConvertibleToStringView>::PrintValue(
+ const T& value, ::std::ostream* os) {
+ internal::PrintTo(absl::string_view(value), os);
+}
+} // namespace internal2
+#endif
+
template <typename T>
::std::string PrintToString(const T& value) {
::std::stringstream ss;