From 3cc9fd842f0fea43a03e34bf88e2b6de29b86ad4 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 8 Apr 2022 20:01:21 +0100
Subject: Modern random

---
 netfs/unittests/testEdgeCases.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/netfs/unittests/testEdgeCases.cpp b/netfs/unittests/testEdgeCases.cpp
index 17dd706..2553a7f 100644
--- a/netfs/unittests/testEdgeCases.cpp
+++ b/netfs/unittests/testEdgeCases.cpp
@@ -3,6 +3,7 @@
 #include "mockFuse.h"
 #include <boost/test/unit_test.hpp>
 #include <definedDirs.h>
+#include <random>
 
 const std::string testEndpoint("tcp -h localhost -p 12014");
 
@@ -34,9 +35,13 @@ BOOST_AUTO_TEST_CASE(createAndDaemonRestart)
 
 	BOOST_TEST_CHECKPOINT("Write some data");
 	std::array<char, 890> someData {};
-	for (auto & d : someData) {
-		d = rand();
-	}
+	std::generate(begin(someData), end(someData),
+			[dist = std::uniform_int_distribution<char>(
+					 std::numeric_limits<char>::min(), std::numeric_limits<char>::max()),
+					mersenne_engine = std::mt19937(std::random_device()())]() mutable {
+				return dist(mersenne_engine);
+			});
+
 	BOOST_REQUIRE_EQUAL(sizeof(someData), fuse.fuse->write(fileName, someData.data(), someData.size(), 0, &fh));
 
 	BOOST_REQUIRE_EQUAL(0, fuse.fuse->getattr(fileName, &st, &fh));
-- 
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