Memory leak because of mock test

[iuhilnehc-ynos]

Bug report

Required Info:

• Operating System:
  • Ubuntu 20.04
• Installation type:
  • source
• Version or commit hash:
  • f3396a2
• DDS implementation:
  • fastrtps
• Client library (if applicable):
  • rcl

Steps to reproduce issue

$ colcon build --cmake-args -DCMAKE_BUILD_TYPE=Debug --packages-up-to rcl
$ . install/setup.bash
$ valgrind --leak-check=full ./build/rcl/test/test_init__rmw_fastrtps_cpp

Expected behavior

No memory leak

Actual behavior

memory leak via valgrind

==2206875== HEAP SUMMARY:
==2206875==     in use at exit: 664 bytes in 8 blocks
==2206875==   total heap usage: 2,560 allocs, 2,552 frees, 1,171,314 bytes allocated
==2206875== 
==2206875== 144 bytes in 1 blocks are definitely lost in loss record 6 of 8
==2206875==    at 0x483F7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==2206875==    by 0x49A4F46: __default_allocate (allocator.c:37)
==2206875==    by 0x4867C98: rcl_init_options_init (init_options.c:51)
==2206875==    by 0x12FD4D: TestRCLFixture__rmw_fastrtps_cpp_test_mocked_rcl_init_options_fini_Test::TestBody() (test_init.cpp:542)
==2206875==    by 0x1755B9: void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2447)
==2206875==    by 0x16DED2: void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2483)
==2206875==    by 0x149B21: testing::Test::Run() (gtest.cc:2522)
==2206875==    by 0x14A51A: testing::TestInfo::Run() (gtest.cc:2703)
==2206875==    by 0x14AC0B: testing::TestCase::Run() (gtest.cc:2825)
==2206875==    by 0x1562F4: testing::internal::UnitTestImpl::RunAllTests() (gtest.cc:5216)
==2206875==    by 0x176AB3: bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (gtest.cc:2447)
==2206875==    by 0x16EFE6: bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (gtest.cc:2483)
==2206875== 
==2206875== 144 bytes in 1 blocks are definitely lost in loss record 7 of 8
==2206875==    at 0x483F7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==2206875==    by 0x49A4F46: __default_allocate (allocator.c:37)
==2206875==    by 0x4867C98: rcl_init_options_init (init_options.c:51)
==2206875==    by 0x48680A4: rcl_init_options_copy (init_options.c:84)
==2206875==    by 0x1307B9: TestRCLFixture__rmw_fastrtps_cpp_test_rcl_init_copy_mocked_fail_fini_Test::TestBody() (test_init.cpp:560)
==2206875==    by 0x1755B9: void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2447)
==2206875==    by 0x16DED2: void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2483)
==2206875==    by 0x149B21: testing::Test::Run() (gtest.cc:2522)
==2206875==    by 0x14A51A: testing::TestInfo::Run() (gtest.cc:2703)
==2206875==    by 0x14AC0B: testing::TestCase::Run() (gtest.cc:2825)
==2206875==    by 0x1562F4: testing::internal::UnitTestImpl::RunAllTests() (gtest.cc:5216)
==2206875==    by 0x176AB3: bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (gtest.cc:2447)
==2206875== 
==2206875== 144 bytes in 1 blocks are definitely lost in loss record 8 of 8
==2206875==    at 0x483F7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==2206875==    by 0x49A4F46: __default_allocate (allocator.c:37)
==2206875==    by 0x4867C98: rcl_init_options_init (init_options.c:51)
==2206875==    by 0x48680A4: rcl_init_options_copy (init_options.c:84)
==2206875==    by 0x13114E: TestRCLFixture__rmw_fastrtps_cpp_test_rcl_init_options_copy_fail_rmw_copy_Test::TestBody() (test_init.cpp:585)
==2206875==    by 0x1755B9: void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2447)
==2206875==    by 0x16DED2: void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2483)
==2206875==    by 0x149B21: testing::Test::Run() (gtest.cc:2522)
==2206875==    by 0x14A51A: testing::TestInfo::Run() (gtest.cc:2703)
==2206875==    by 0x14AC0B: testing::TestCase::Run() (gtest.cc:2825)
==2206875==    by 0x1562F4: testing::internal::UnitTestImpl::RunAllTests() (gtest.cc:5216)
==2206875==    by 0x176AB3: bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (gtest.cc:2447)
==2206875== 
==2206875== LEAK SUMMARY:
==2206875==    definitely lost: 432 bytes in 3 blocks
==2206875==    indirectly lost: 0 bytes in 0 blocks
==2206875==      possibly lost: 0 bytes in 0 blocks
==2206875==    still reachable: 232 bytes in 5 blocks
==2206875==         suppressed: 0 bytes in 0 blocks
==2206875== Reachable blocks (those to which a pointer was found) are not shown.
==2206875== To see them, rerun with: --leak-check=full --show-leak-kinds=all