From 4612446fb7aa84701bfc91cc2fd535b624482a05 Mon Sep 17 00:00:00 2001
From: Nick Chursin <nicktestqa@yahoo.com>
Date: Wed, 21 Nov 2018 13:26:00 +0200
Subject: [PATCH] #17 fix

---
 appveyor.yml                  |  8 ++++----
 src/Core/AllureNUnitHelper.cs |  7 ++++---
 src/TestSamples/TestClass7.cs | 11 +++++++++++
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index bad12df..dcd3dfa 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,7 @@
-version: 1.0.4
+version: 1.0.5
 
 environment:
-  nugetVersion: 1.0.4
+  nugetVersion: 1.0.5
 
 init:
   - ps: Update-AppveyorBuild -Version $env:nugetVersion
@@ -35,6 +35,6 @@ for:
   branches:
       only:
         - develop
-  version: 1.0.4-beta{build}
+  version: 1.0.6-beta{build}
   environment:
-    nugetVersion: 1.0.4-beta$(APPVEYOR_BUILD_NUMBER)
\ No newline at end of file
+    nugetVersion: 1.0.6-beta$(APPVEYOR_BUILD_NUMBER)
\ No newline at end of file
diff --git a/src/Core/AllureNUnitHelper.cs b/src/Core/AllureNUnitHelper.cs
index 626c027..9e4f15c 100644
--- a/src/Core/AllureNUnitHelper.cs
+++ b/src/Core/AllureNUnitHelper.cs
@@ -231,14 +231,15 @@ private void StopTestCase()
         {
             UpdateTestDataFromAttributes();
             for (var i = 0; i < _test.Arguments.Length; i++)
+            {
                 AllureLifecycle.UpdateTestCase(x => x.parameters.Add(new Parameter
                 {
                     // ReSharper disable once AccessToModifiedClosure
                     name = $"Param #{i}",
-                    // ReSharper disable once AccessToModifiedClosure
-                    value = _test.Arguments[i].ToString()
+                    // ReSharper disable once AccessToModifiedClosure                   
+                    value = _test.Arguments[i] == null ? "NULL" : _test.Arguments[i].ToString()
                 }));
-
+            }
 
             AllureLifecycle.UpdateTestCase(x => x.statusDetails = new StatusDetails
             {
diff --git a/src/TestSamples/TestClass7.cs b/src/TestSamples/TestClass7.cs
index 02b9936..35c36c7 100644
--- a/src/TestSamples/TestClass7.cs
+++ b/src/TestSamples/TestClass7.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Threading;
+using NUnit.Allure.Attributes;
 using NUnit.Allure.Core;
 using NUnit.Framework;
 
@@ -50,5 +51,15 @@ public void Test2()
         {
             Console.WriteLine("Test2");
         }
+
+        [Test, Combinatorial]
+        [AllureLink("https://github.com/unickq/allure-nunit/issues/17")]
+        public void TestExample(
+            [Range(1, 3)] int valA,
+            [Values(null, 2)] int? valB
+        )
+        {
+            Assert.AreEqual(valA, valB);
+        }
     }
 }
\ No newline at end of file