fix test format

Author: songwdfu

test/buffer/arc_replacer_performance_test.cpp

@@ -25,9 +25,11 @@ TEST(ArcReplacerPerformanceTest, RecordAccessPerformanceTest) {
   // Test RecordAccess performance
   std::cout << "This test will see how your RecordAccess performs when the list is large. " << std::endl;
   std::cout << "If this takes above 3s on average, "
-    "you might get into trouble trying to get full score in some following projects... " << std::endl;
+               "you might get into trouble trying to get full score in some following projects... "
+            << std::endl;
   std::cout << "if you care, you may want to think of "
-    "what could be very slow when the list is very large, and how to make that faster" << std::endl;
+               "what could be very slow when the list is very large, and how to make that faster"
+            << std::endl;
   const size_t bpm_size = 256 << 10;  // 1GB
   ArcReplacer arc_replacer(bpm_size);
   // Fillup mfu with lots of pages
@@ -42,23 +44,23 @@ TEST(ArcReplacerPerformanceTest, RecordAccessPerformanceTest) {
   std::vector<size_t> access_times;
   for (size_t round = 0; round < rounds; round++) {
     auto start_time = std::chrono::system_clock::now();
-    for (size_t i=0; i < bpm_size; i++) {
+    for (size_t i = 0; i < bpm_size; i++) {
       arc_replacer.RecordAccess(access_frame_id, access_frame_id);
       access_frame_id = (access_frame_id + 1) % bpm_size;
     }
     auto end_time = std::chrono::system_clock::now();
-    access_times.push_back(
-        std::chrono::duration_cast<std::chrono::milliseconds>(end_time - start_time).count());
+    access_times.push_back(std::chrono::duration_cast<std::chrono::milliseconds>(end_time - start_time).count());
   }
   double total = 0;
   for (const auto &x : access_times) {
     total += x;
   }
   total /= 1000;
   double avg = total / access_times.size();
-  std::cout << "Average time used: " << avg << "s. If this takes above 3s on average, "
-    "you might get into trouble trying to get full score in some following projects... "
-    "if you care, try optimizing RecordAccess for a bit";
+  std::cout << "Average time used: " << avg
+            << "s. If this takes above 3s on average, "
+               "you might get into trouble trying to get full score in some following projects... "
+               "if you care, try optimizing RecordAccess for a bit";
   ASSERT_LT(avg, 3);
 }