From fb911942f1434f3d1750f83f25f5e42c80e60638 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 24 Mar 2015 21:31:36 +0000
Subject: Vendor import of lld trunk r233088:
 https://llvm.org/svn/llvm-project/lld/trunk@233088

---
 unittests/CoreTests/ParallelTest.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 unittests/CoreTests/ParallelTest.cpp

(limited to 'unittests/CoreTests/ParallelTest.cpp')

diff --git a/unittests/CoreTests/ParallelTest.cpp b/unittests/CoreTests/ParallelTest.cpp
new file mode 100644
index 0000000000000..c0282437e2e1d
--- /dev/null
+++ b/unittests/CoreTests/ParallelTest.cpp
@@ -0,0 +1,31 @@
+//===- lld/unittest/ParallelTest.cpp --------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Parallel.h unit tests.
+///
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+#include "lld/Core/Parallel.h"
+#include <array>
+#include <random>
+
+uint32_t array[1024 * 1024];
+
+TEST(Parallel, sort) {
+  std::mt19937 randEngine;
+  std::uniform_int_distribution<uint32_t> dist;
+
+  for (auto &i : array)
+    i = dist(randEngine);
+
+  lld::parallel_sort(std::begin(array), std::end(array));
+  ASSERT_TRUE(std::is_sorted(std::begin(array), std::end(array)));
+}
-- 
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