From 4a6f0be5b63fcdbc981a91d14768c1eff2c9cd32 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@meta.com>
Date: Fri, 29 Dec 2023 08:22:55 -0800
Subject: [PATCH] Improve scan test

---
 test/scan-test.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/scan-test.cc b/test/scan-test.cc
index e2bfea3e..b190fd57 100644
--- a/test/scan-test.cc
+++ b/test/scan-test.cc
@@ -152,6 +152,7 @@ TEST(scan_test, lock) {
     write_end.close();
   });
 
+  std::atomic<int> count(0);
   fmt::buffered_file f = read_end.fdopen("r");
   auto fun = [&]() {
     int value = 0;
@@ -161,12 +162,16 @@ TEST(scan_test, lock) {
         EXPECT_EQ(value, 42);
         break;
       }
+      ++count;
     }
   };
   std::thread consumer1(fun);
   std::thread consumer2(fun);
+  
   producer.join();
   consumer1.join();
   consumer2.join();
+  EXPECT_EQ(count, 1000);
+
 }
 #endif  // FMT_USE_FCNTL