196     TemporaryFile tf;  in TEST()  local
197     backtrace_symbols_fd(frames, 0, tf.fd);  in TEST()
198     close(tf.fd);  in TEST()
200     ASSERT_TRUE(android::base::ReadFileToString(tf.path, &content));  in TEST()
206     TemporaryFile tf;  in TEST()  local
207     backtrace_symbols_fd(frames, -1, tf.fd);  in TEST()
208     close(tf.fd);  in TEST()
210     ASSERT_TRUE(android::base::ReadFileToString(tf.path, &content));  in TEST()
224   TemporaryFile tf;  in TEST()  local
225   backtrace_symbols_fd(frames.data(), static_cast<int>(frames.size()), tf.fd);  in TEST()
226   close(tf.fd);  in TEST()
232   std::ifstream frame_stream(tf.path);  in TEST()