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Signed-off-by: Ayush Joshi <ayush854032@gmail.com>

Rewrite "Testing a Certain Property of an Object" as "Defining a Custom Matcher Class", and fix the code examples.

PiperOrigin-RevId: 445252626
Change-Id: I9f038cb669d3da6743606343c2341fc59725d722

Commit a070cbd9 added an implicit cast to this path but didn't leave a very
clear explanation for why it was desirable, a clear example, or even test
coverage. Add a better comment and a test that fails when the implicit cast is
removed.

PiperOrigin-RevId: 444871311
Change-Id: I127982fa8d5bce9b6d1b68177c12dc0709449164

PiperOrigin-RevId: 444671005
Change-Id: I7df5f038caf17afb60d4fb35434ff0b656d4c954

bazel build --define=absl=1 ...

A dependency on RE2 is now required when building GoogleTest with Abseil.
Using RE2 will provide a consistent cross-platform regex experience.

Users will need to add the com_googlesource_code_re2, bazel_skylib,
and platforms repository to their WORKSPACE files. See our WORKSPACE
file in the root directory of this project for an example of how to
add the dependencies.

Please note that the com_googlesource_code_re2 dependency must use a
commit from the `abseil` branch of the project:
https://github.com/google/re2/tree/abseil

PiperOrigin-RevId: 444650118
Change-Id: I45c55b26684c0c50d721a05b81c5f8a0c092400f

PiperOrigin-RevId: 444586594
Change-Id: I0de9b40b3773e3047a492f050266967ea935ae3e

This is necessary for generic support of these actions, since `DoAll` is a
frequently-used action wrapper.

PiperOrigin-RevId: 444561964
Change-Id: I02edb55e35ab4207fbd71e371255a319c8253136

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Change-Id: I8ac5cc96cc6eb9d583fa7e3fb304ef3dcaa95b5b

PiperOrigin-RevId: 443715444
Change-Id: I3ffd54b63d2728ae4a668ee7875c8c3c8188087c

PiperOrigin-RevId: 443462203
Change-Id: I0c43f981663a7531ff5da4d4be01fb3d6762273d

This fixes -Wuninitialized warnings with GCC.

Fixes #3514.

PiperOrigin-RevId: 442609985
Change-Id: I4239171ef8a671ef6d548ba94e02104c5f0ecd36

PiperOrigin-RevId: 441589196
Change-Id: Ic3e483ca70d72261046bad464d817f9dfd4bec65

Replace infinite recursion call (intentionally invoking undefined behavior to indicate unreachability) with explicit unreachability marker.

PiperOrigin-RevId: 441474979
Change-Id: I1fcbb437026631212fec954c663482bb7e1cf819

This provides a type-safe way for an action to express that it wants to be
called only once, or to capture move-only objects. It is a generalization of
the type system-evading hack in ByMove, with the improvement that it works for
_any_ action (including user-defined ones), and correctly expresses that the
action can only be used with WillOnce. I'll make existing actions benefit in a
future commit.

PiperOrigin-RevId: 440496139
Change-Id: I4145d191cca5655995ef41360bb126c123cb41d3

Readme Update!

PiperOrigin-RevId: 439835271
Change-Id: I40765e607a96dfc3f0679450938daf25163c48a4

PiperOrigin-RevId: 439427291
Change-Id: I3cac035e732fb3fe4f9c314657932a55269e0416

Avoid instantiating functions like std::get<index> for an out of range index
when doing SFINAE on the invocability of the action itself.

PiperOrigin-RevId: 439415110
Change-Id: Ifc20285a6d526c34830870cd1910c2b2b92e1e81

PiperOrigin-RevId: 439389646
Change-Id: Ie34adcdd2b24378e85962efac53b7bb89ed93803

When built with `--define=absl=1` under Bazel, GoogleTest
flags use ABSL_FLAG instead of GoogleTest's own implementation.

There are some minor behavior differences in this mode.

The most notable difference is that unrecognized flags result
in a flag parsing error, and are not returned to the user though
a modified argc/argv, unless they appear after the positional
argument delimiter ("--").

For example, to pass a non-Abseil flag, you would have to do
./mytest --gtest_color=false -- --myflag=myvalue

The documentation at https://abseil.io/docs/cpp/guides/flags
may be helpful in understanding the behavior.

There are some other minor differences. For example,
passing --help results in the program returning 1 instead of 0.

https://github.com/google/googletest/issues/3646

PiperOrigin-RevId: 439312700
Change-Id: Id696a25f50f24a5b1785c45ca8fa59794f86fd5c

PiperOrigin-RevId: 436839469
Change-Id: I2bb90dce524c16bcc31569bb98772dcc62d08fbf

The one large test does not link in limited memory environments

Closes #3653

PiperOrigin-RevId: 436753193
Change-Id: Idd59b6509994fc642147b88279ee791cd1d7bdd0

PiperOrigin-RevId: 436579789
Change-Id: I19faae341027efba83f1c2b3839636fc95780fc7

Currently, the "[ DISABLED ]" banner is printed for every test in a suite.
When iterating on a single test gtest_filter this is very noisy.

PiperOrigin-RevId: 436489088
Change-Id: If337087a7a0986b073fabf2b0a55d26485eb5c37

PiperOrigin-RevId: 436268062
Change-Id: I3161b36121f78acf920d66fe121b2f1d5e5707b9

A few tests are examining code locations and looking af the resulting line
numbers to verify that GoogleTest shows those to users correctly. Some of those
locations change when clang-format is run. For those locations, I've wrapped
portions in:
// clang-format off
...
// clang-format on

There may be other locations that are currently not tickled by running
clang-format.

PiperOrigin-RevId: 434844712
Change-Id: I3a9f0a6f39eff741c576b6de389bef9b1d11139d

PiperOrigin-RevId: 434738675
Change-Id: I7c8de4004bac6b750674d19e3e79c0695a42652e

PiperOrigin-RevId: 434464892
Change-Id: Iaa2277f26d0049b3d792e87f64679774a28205c6

This catches when a client creates an action and discards it, thinking that the action has actually been applied to something.

This will help people who make the mistake of defining, for example, both `void Use(Foo*, Bar)` and `ACTION_P(Use, bar) { Use(arg, bar); }` for later application to a Foo.  With such an overload, a client may then write `Use(bar);`, selecting the Action<> overload and being confused why nothing happens.

This also catches when a client defines their own action in terms of an ACTION_P()-generated one, invokes the Action<>'s builder, and then fails to invoke the resulting action, thinking it's operating on the outer action's parameters.

PiperOrigin-RevId: 433197479
Change-Id: I98e4389150d01a5e753230113016d9fc38b1d260

It outputs the location of testcase only.
Standalone EXPECT will have no location.

PiperOrigin-RevId: 429400664
Change-Id: I6454cf52cb2fc616a96663823de997591b63dfae

Closes #3762

PiperOrigin-RevId: 428593750
Change-Id: Ifac216568fbc7d999adb71996ec6a1bbe3b97412

Add a 3-arg overload for ResultOf() matcher that takes a description string for better error messages.

PiperOrigin-RevId: 427598749
Change-Id: I8c7a5d7b2dde017641534f1c7eed8dd56c33e845