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Remove the #ifs for old, unsupported and buggy compilers:
* old versions of GCC & MSVC
* Symbian

PiperOrigin-RevId: 227116941
This commit is contained in:
Abseil Team
2018-12-28 06:03:51 -05:00
committed by Gennadiy Civil
parent 933e5df283
commit f8b1c1af17
25 changed files with 66 additions and 344 deletions
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37
googletest/include/gtest/internal/gtest-internal.h
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@@ -106,12 +106,22 @@ class UnitTestImpl; // Opaque implementation of UnitTest
// stack trace.
GTEST_API_ extern const char kStackTraceMarker[];
// An IgnoredValue object can be implicitly constructed from ANY value.
class IgnoredValue {
public:
// This constructor template allows any value to be implicitly
// converted to IgnoredValue. The object has no data member and
// doesn't try to remember anything about the argument. We
// deliberately omit the 'explicit' keyword in order to allow the
// conversion to be implicit.
template <typename T>
IgnoredValue(const T& /* ignored */) {} // NOLINT(runtime/explicit)
};
// Two overloaded helpers for checking at compile time whether an
// expression is a null pointer literal (i.e. NULL or any 0-valued
// compile-time integral constant). Their return values have
// different sizes, so we can use sizeof() to test which version is
// picked by the compiler. These helpers have no implementations, as
// we only need their signatures.
// compile-time integral constant). These helpers have no
// implementations, as we only need their signatures.
//
// Given IsNullLiteralHelper(x), the compiler will pick the first
// version if x can be implicitly converted to Secret*, and pick the
@@ -120,20 +130,13 @@ GTEST_API_ extern const char kStackTraceMarker[];
// a null pointer literal. Therefore, we know that x is a null
// pointer literal if and only if the first version is picked by the
// compiler.
char IsNullLiteralHelper(Secret* p);
char (&IsNullLiteralHelper(...))[2]; // NOLINT
std::true_type IsNullLiteralHelper(Secret*);
std::false_type IsNullLiteralHelper(IgnoredValue);
// A compile-time bool constant that is true if and only if x is a
// null pointer literal (i.e. NULL or any 0-valued compile-time
// integral constant).
#ifdef GTEST_ELLIPSIS_NEEDS_POD_
// We lose support for NULL detection where the compiler doesn't like
// passing non-POD classes through ellipsis (...).
# define GTEST_IS_NULL_LITERAL_(x) false
#else
# define GTEST_IS_NULL_LITERAL_(x) \
(sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1)
#endif // GTEST_ELLIPSIS_NEEDS_POD_
// A compile-time bool constant that is true if and only if x is a null pointer
// literal (i.e. nullptr, NULL or any 0-valued compile-time integral constant).
#define GTEST_IS_NULL_LITERAL_(x) \
decltype(::testing::internal::IsNullLiteralHelper(x))::value
// Appends the user-supplied message to the Google-Test-generated message.
GTEST_API_ std::string AppendUserMessage(