1 files changed, 17 insertions, 0 deletions
diff --git a/tests/niminaction/Chapter6/WikipediaStats/race_condition.nim b/tests/niminaction/Chapter6/WikipediaStats/race_condition.nim
new file mode 100644
index 000000000..f4b072204
--- /dev/null
+++ b/tests/niminaction/Chapter6/WikipediaStats/race_condition.nim
@@ -0,0 +1,17 @@
+discard """
+action: compile
+"""
+
+import threadpool
+
+var counter = 0
+
+proc increment(x: int) =
+  for i in 0 ..< x:
+    let value = counter + 1
+    counter = value
+
+spawn increment(10_000)
+spawn increment(10_000)
+sync()
+echo(counter)