From 6df2adf079921c56b6281ab1cdecf25bba6aeac4 Mon Sep 17 00:00:00 2001
From: John Wellbelove <smartgit@wellbelove.co.uk>
Date: Mon, 12 Jun 2017 23:35:11 +0100
Subject: [PATCH] reference_wrapper test

---
 test/test_functional.cpp | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/test/test_functional.cpp b/test/test_functional.cpp
index cf2f19d1..ef3604c0 100644
--- a/test/test_functional.cpp
+++ b/test/test_functional.cpp
@@ -35,7 +35,7 @@ SOFTWARE.
 #include <numeric>
 
 namespace
-{		
+{
   SUITE(test_functional)
   {
     //*************************************************************************
@@ -53,16 +53,40 @@ namespace
       CHECK_EQUAL(2, ra);
     }
 
+    //*************************************************************************
+    TEST(test_reference_wrapper_vector)
+    {
+      std::vector<etl::reference_wrapper<int>> ref_int;
+
+      int a = 1;
+      int b = 2;
+
+      ref_int.push_back(etl::ref(a));
+      ref_int.push_back(etl::ref(b));
+
+      CHECK_EQUAL(a, ref_int[0]);
+      CHECK_EQUAL(b, ref_int[1]);
+
+      ref_int[0] = 3;
+      ref_int[1] = 4;
+
+      CHECK_EQUAL(3, a);
+      CHECK_EQUAL(4, b);
+
+      CHECK_EQUAL(3, ref_int[0]);
+      CHECK_EQUAL(4, ref_int[1]);
+    }
+
     //*************************************************************************
     TEST(test_reference_wrapper_container)
     {
-      std::list<int> test    = { 0, 1, 2, 3, 4 };
+      std::list<int> test = { 0, 1, 2, 3, 4 };
       std::list<int> compare = { 5, 6, 7, 8, 9 };
       std::vector<etl::reference_wrapper<int>> test_ref(test.begin(), test.end());
-      
+
       std::iota(test_ref.begin(), test_ref.end(), 5);
 
-      std::list<int>::const_iterator itest    = test.begin();
+      std::list<int>::const_iterator itest = test.begin();
       std::list<int>::const_iterator icompare = compare.begin();
       std::vector<etl::reference_wrapper<int>>::const_iterator ivector = test_ref.begin();