Merge pull request #2401 from kuzkry:custom-type-traits-add_lvalue_reference
PiperOrigin-RevId: 264842713
diff --git a/googletest/include/gtest/internal/gtest-port.h b/googletest/include/gtest/internal/gtest-port.h
index 7f00fe7..eaa1970 100644
--- a/googletest/include/gtest/internal/gtest-port.h
+++ b/googletest/include/gtest/internal/gtest-port.h
@@ -1019,19 +1019,6 @@
GTEST_LOG_(FATAL) << #posix_call << "failed with error " \
<< gtest_error
-// Adds reference to a type if it is not a reference type,
-// otherwise leaves it unchanged. This is the same as
-// tr1::add_reference, which is not widely available yet.
-template <typename T>
-struct AddReference { typedef T& type; }; // NOLINT
-template <typename T>
-struct AddReference<T&> { typedef T& type; }; // NOLINT
-
-// A handy wrapper around AddReference that works when the argument T
-// depends on template parameters.
-#define GTEST_ADD_REFERENCE_(T) \
- typename ::testing::internal::AddReference<T>::type
-
// Transforms "T" into "const T&" according to standard reference collapsing
// rules (this is only needed as a backport for C++98 compilers that do not
// support reference collapsing). Specifically, it transforms:
diff --git a/googletest/test/gtest_unittest.cc b/googletest/test/gtest_unittest.cc
index 0047f53..5020d73 100644
--- a/googletest/test/gtest_unittest.cc
+++ b/googletest/test/gtest_unittest.cc
@@ -227,7 +227,6 @@
using testing::TestResult;
using testing::TimeInMillis;
using testing::UnitTest;
-using testing::internal::AddReference;
using testing::internal::AlwaysFalse;
using testing::internal::AlwaysTrue;
using testing::internal::AppendUserMessage;
@@ -7150,30 +7149,6 @@
TestGTestRemoveReferenceAndConst<const char*, const char*>();
}
-// Tests that AddReference does not affect reference types.
-TEST(AddReferenceTest, DoesNotAffectReferenceType) {
- CompileAssertTypesEqual<int&, AddReference<int&>::type>();
- CompileAssertTypesEqual<const char&, AddReference<const char&>::type>();
-}
-
-// Tests that AddReference adds reference to non-reference types.
-TEST(AddReferenceTest, AddsReference) {
- CompileAssertTypesEqual<int&, AddReference<int>::type>();
- CompileAssertTypesEqual<const char&, AddReference<const char>::type>();
-}
-
-// Tests GTEST_ADD_REFERENCE_.
-
-template <typename T1, typename T2>
-void TestGTestAddReference() {
- CompileAssertTypesEqual<T1, GTEST_ADD_REFERENCE_(T2)>();
-}
-
-TEST(AddReferenceTest, MacroVersion) {
- TestGTestAddReference<int&, int>();
- TestGTestAddReference<const char&, const char&>();
-}
-
// Tests GTEST_REFERENCE_TO_CONST_.
template <typename T1, typename T2>
