From 78440734029c40841904a05663c2c38e7b258214 Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Tue, 4 Feb 2014 14:49:21 +0000
Subject: Implemented support for Process::GetRandomNumber on Windows.

Patch thanks to Stephan Tolksdorf!

llvm-svn: 200767
---
 llvm/unittests/Support/ProcessTest.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'llvm/unittests/Support/ProcessTest.cpp')

diff --git a/llvm/unittests/Support/ProcessTest.cpp b/llvm/unittests/Support/ProcessTest.cpp
index af6a6f921b0..19694e55d06 100644
--- a/llvm/unittests/Support/ProcessTest.cpp
+++ b/llvm/unittests/Support/ProcessTest.cpp
@@ -39,6 +39,13 @@ TEST(ProcessTest, SelfProcess) {
   EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_wall_time());
 }
 
+TEST(ProcessTest, GetRandomNumberTest) {
+  const unsigned r1 = Process::GetRandomNumber();
+  const unsigned r2 = Process::GetRandomNumber();
+  // It should be extremely unlikely that both r1 and r2 are 0.
+  EXPECT_NE((r1 | r2), 0);
+}
+
 #ifdef _MSC_VER
 #define setenv(name, var, ignore) _putenv_s(name, var)
 #endif
-- 
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