GTEST_OS_LINUX    333 modules/ts/include/opencv2/ts/ts_gtest.h #define GTEST_OS_LINUX 0
GTEST_OS_LINUX    376 modules/ts/include/opencv2/ts/ts_gtest.h # undef GTEST_OS_LINUX
GTEST_OS_LINUX    377 modules/ts/include/opencv2/ts/ts_gtest.h # define GTEST_OS_LINUX 1