192     TemporaryFile tf;  in TEST()  local
193     backtrace_symbols_fd(frames, 0, tf.fd);  in TEST()
194     close(tf.fd);  in TEST()
196     ASSERT_TRUE(android::base::ReadFileToString(tf.path, &content));  in TEST()
202     TemporaryFile tf;  in TEST()  local
203     backtrace_symbols_fd(frames, -1, tf.fd);  in TEST()
204     close(tf.fd);  in TEST()
206     ASSERT_TRUE(android::base::ReadFileToString(tf.path, &content));  in TEST()
220   TemporaryFile tf;  in TEST()  local
221   backtrace_symbols_fd(frames.data(), static_cast<int>(frames.size()), tf.fd);  in TEST()
222   close(tf.fd);  in TEST()
228   std::ifstream frame_stream(tf.path);  in TEST()