From 2a54b70d45f8562bcb7f9f7d669e2f20ea60b3f5 Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Thu, 12 May 2016 11:45:48 -0700
Subject: Fixed potential race condition in the non blocking thread pool

---
 unsupported/test/cxx11_non_blocking_thread_pool.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'unsupported/test/cxx11_non_blocking_thread_pool.cpp')

diff --git a/unsupported/test/cxx11_non_blocking_thread_pool.cpp b/unsupported/test/cxx11_non_blocking_thread_pool.cpp
index 02ffa57cc..6569218c4 100644
--- a/unsupported/test/cxx11_non_blocking_thread_pool.cpp
+++ b/unsupported/test/cxx11_non_blocking_thread_pool.cpp
@@ -12,6 +12,16 @@
 #include "main.h"
 #include "Eigen/CXX11/ThreadPool"
 
+static void test_create_destroy_empty_pool()
+{
+  // Just create and destroy the pool. This will wind up and tear down worker
+  // threads. Ensure there are no issues in that logic.
+  for (int i = 0; i < 16; ++i) {
+    NonBlockingThreadPool tp(i);
+  }
+}
+
+
 static void test_parallelism()
 {
   // Test we never-ever fail to match available tasks with idle threads.
@@ -87,5 +97,6 @@ static void test_parallelism()
 
 void test_cxx11_non_blocking_thread_pool()
 {
+  CALL_SUBTEST(test_create_destroy_empty_pool());
   CALL_SUBTEST(test_parallelism());
 }
-- 
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