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Use standard C++11 integer types in gtest-port.h.

Remove testing::internal::{Int,Uint}{32,64} in favor of types
guaranteed to be in <cstdint> since C++11.

Tests for built-in integer type coverage are switched from
{Int,Uint}64 to [unsigned] long long, which is guaranteed by
C++11 to exist and be at least 64-bit wide.

PiperOrigin-RevId: 281565263

Add a breadcrumb about nullopt comparison near the Optional() matcher.

Also add a note about how otherwise-spurious 'Eq()' may be needed in some cases. Without this, something like Field(&MyStruct::optional_field_without_equals_equals, absl::nullopt) doesn't work - it converts the nullopt to an optional<> of the non-equalable type, and fails to select the operator==(optional<>, nullopt_t) overload. The Eq() lets the type persist later into the match.

PiperOrigin-RevId: 281305519

Update stale comments to point to proper location.

PiperOrigin-RevId: 281157036

Remove the threads link library variable references from the pkg-config
Cflags: field, removing -lpthread(s) from the compile flags.

"-l*" linker flags should only be part of the Libs: section and should
not be part of the Cflags: section in pkg-config files.

This was first suggested in
https://github.com/google/googletest/pull/2006 and further discussed in
https://github.com/google/googletest/pull/2483 .

Change variable name to match comment.

PiperOrigin-RevId: 277713621

Tolerate std::string's explicit copy construction from std::string_view.

PiperOrigin-RevId: 277583394

Remove outdated unsupported scripts

PiperOrigin-RevId: 277556831

Internal Change

PiperOrigin-RevId: 277336786

Merge 65032e28cba171c000accc85ffaf6f1e62921b86 into 8c91ecef

Closes #2470

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/googletest/pull/2470 from hermas55:bugfix/default_const_param 65032e28cba171c000accc85ffaf6f1e62921b86
PiperOrigin-RevId: 277118535

Avoid temporary matcher instances.
They are unnecessary and can be relatively more expensive than the rest of the
algorithm.

PiperOrigin-RevId: 277084853

Remove badly formatted suggestion in gmock cheat sheet.

PiperOrigin-RevId: 277060475

Issue 2527

Issue 2527

Issue 2527

Add a matcher `testing::ReturnRoundRobin` which, on each call, returns the next element in the sequence, restarting at the beginning once it has reached the end.

PiperOrigin-RevId: 276312136

This reverts commit ba513d2c, reversing
changes made to a3ca5b9e.

Issue 2471

Issue no 2527

Fixed issue: 2471

Remove bool_constant in favor of std::integral_constant<bool, ...>;
The one non-trivial use of bool_constant has been changed to have significantly
fewer template specializations.

PiperOrigin-RevId: 275842490

Rolling forward IsNan() matcher with fixes in test for -Wconversion issues. Use
std::nanf and std::nanl where appropriate.
PiperOrigin-RevId: 275523003

Added IsNan matcher

PiperOrigin-RevId: 275473218

Addressing https://github.com/google/googletest/issues/2502

Add MOCK_METHOD support for returning function pointers.

PiperOrigin-RevId: 275323671

Added IsNan matcher

PiperOrigin-RevId: 275278634

Mark more functions with "override" keyword, just like
it was done in commit 2460f971.

This should prevent compiler from complaining while compiling both
user code, and the googletest code itself with the -Wsuggest-override
option turned on; with the exception of:
 * calls to new MOCK_METHOD() in test/gmock-function-mocker_test.cc
 * calls to old MOCK_METHODx()/MOCK_CONST_METHODx() in other
   unit test files.

Closes #2493

Added various conditional compliations for ESP8266 to stub out
missing functionality.

Added support for ESP8266 Arduino platform.

Refactored Arduino defines to use the GTEST_OS_* model.