But note, that tests with EXPECT_EXIT() does not work with --gtest_filter:
a) only this test is included into unit_tests_dbms
$ src/unit_tests_dbms --gtest_filter=VersionNumber*
Running main() from ../contrib/googletest/googletest/src/gtest_main.cc
Note: Google Test filter = VersionNumber*
[==========] Running 2 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 2 tests from VersionNumber
[ RUN ] VersionNumber.VersionNumber
[ OK ] VersionNumber.VersionNumber (0 ms)
[ RUN ] VersionNumber.fromString
Segmentation fault (core dumped)
(gdb) bt
0 0x00007fffda323d22 in raise () from /usr/lib/libc.so.6
1 0x00007fffda30d862 in abort () from /usr/lib/libc.so.6
2 0x00007fffdbe686f5 in DB::handle_error_code (msg=..., code=49, remote=false, trace=...) at Exception.cpp:49
3 0x00007fffdbe68846 in DB::Exception::Exception (this=0x7fffd5c5a240, msg=..., code=49, remote_=false) at Exception.cpp:60
4 0x00007fffe26b2cb3 in DB::Exception::Exception<unsigned long> (this=0x7fffd5c5a240, code=49, fmt=..., args=@0x7fffffffc7e8: 4) at Exception.h:40
5 0x00007fffdbf4d201 in DB::VersionNumber::VersionNumber (this=0x7fffffffcc20, vec=...) at VersionNumber.cpp:17
6 0x00007fffdbf4d650 in DB::VersionNumber::fromString (version=..., strict=true) at VersionNumber.cpp:57
7 0x00005555555db53d in VersionNumber_fromString_Test::TestBody (this=0x7fffd5c12330) at gtest_version_number.cpp:24
b) regular build
$ src/unit_tests_dbms --gtest_filter=VersionNumber*
Running main() from ../contrib/googletest/googletest/src/gtest_main.cc
Note: Google Test filter = VersionNumber*
[==========] Running 2 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 2 tests from VersionNumber
[ RUN ] VersionNumber.VersionNumber
[ OK ] VersionNumber.VersionNumber (0 ms)
[ RUN ] VersionNumber.fromString
[ OK ] VersionNumber.fromString (495 ms)
[----------] 2 tests from VersionNumber (495 ms total)
[----------] Global test environment tear-down
Segmentation fault (core dumped)
(gdb) bt
0 testing::TestInfo::should_run (this=0xe0) at gtest.h:760
1 0x00007ffff7f6edd5 in testing::TestSuite::ShouldRunTest (test_info=0xe0) at gtest.h:1009
2 0x00007ffff7f6ebb2 in testing::internal::CountIf<std::__1::vector<testing::TestInfo*, std::__1::allocator<testing::TestInfo*> >, bool (*)(testing::TestInfo const*)> (c=..., predicate=0x7ffff7f6edc0 <testing::TestSuite::ShouldRunTest(testing::TestInfo const*)>)
at gtest-internal-inl.h:294
3 0x00007ffff7f41ae5 in testing::TestSuite::test_to_run_count (this=0x7fffd5028500) at gtest.cc:2919
4 0x00007ffff7f41719 in testing::internal::SumOverTestSuiteList (case_list=..., method=(int (testing::TestSuite::*)(const testing::TestSuite * const)) 0x7ffff7f41ac0 <testing::TestSuite::test_to_run_count() const>) at gtest.cc:377
5 0x00007ffff7f41ab9 in testing::internal::UnitTestImpl::test_to_run_count (this=0x7fffd5d5c000) at gtest.cc:1012
6 0x00007ffff7f4b59d in testing::UnitTest::test_to_run_count (this=0x7ffff7fbcb80 <testing::UnitTest::GetInstance()::instance>) at gtest.cc:5059
7 0x00007ffff7f4c4ed in testing::internal::PrettyUnitTestResultPrinter::OnTestIterationEnd (this=0x7fffd5ca4a68, unit_test=...) at gtest.cc:3589
8 0x00007ffff7f4daf9 in testing::internal::TestEventRepeater::OnTestIterationEnd (this=0x7fffd5c83770, unit_test=..., iteration=0) at gtest.cc:3852
9 0x00007ffff7f57570 in testing::internal::UnitTestImpl::RunAllTests (this=0x7fffd5d5c000) at gtest.cc:5737
10 0x00007ffff7fa3a84 in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> (object=0x7fffd5d5c000,
method=(bool (testing::internal::UnitTestImpl::*)(testing::internal::UnitTestImpl * const)) 0x7ffff7f56f20 <testing::internal::UnitTestImpl::RunAllTests()>, location=0x7ffff7f11d9b "auxiliary test code (environments or event listeners)") at gtest.cc:2589
11 0x00007ffff7f71788 in testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> (object=0x7fffd5d5c000,
method=(bool (testing::internal::UnitTestImpl::*)(testing::internal::UnitTestImpl * const)) 0x7ffff7f56f20 <testing::internal::UnitTestImpl::RunAllTests()>, location=0x7ffff7f11d9b "auxiliary test code (environments or event listeners)") at gtest.cc:2625
12 0x00007ffff7f56ea3 in testing::UnitTest::Run (this=0x7ffff7fbcb80 <testing::UnitTest::GetInstance()::instance>) at gtest.cc:5291
The #22109 adds the check but at compilation time, which is pointless,
move the check into runtime.
Remember nested epoll is required for
async_socket_for_remote/use_hedged_requests, otherwise remote queries
may stuck.
