[==========] Running 4 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 4 tests from SyncFileRangeTest
[ RUN      ] SyncFileRangeTest.TempFileSucceeds
[       OK ] SyncFileRangeTest.TempFileSucceeds (0 ms)
[ RUN      ] SyncFileRangeTest.CannotSyncFileRangeOnUnopenedFd
[       OK ] SyncFileRangeTest.CannotSyncFileRangeOnUnopenedFd (0 ms)
[ RUN      ] SyncFileRangeTest.BadArgs
[       OK ] SyncFileRangeTest.BadArgs (0 ms)
[ RUN      ] SyncFileRangeTest.CannotSyncFileRangeWithWaitBefore
[       OK ] SyncFileRangeTest.CannotSyncFileRangeWithWaitBefore (0 ms)
[----------] 4 tests from SyncFileRangeTest (1 ms total)

[----------] Global test environment tear-down
[==========] 4 tests from 1 test suite ran. (1 ms total)
[  PASSED  ] 4 tests.
Failed to match any benchmarks against regex: .