From 347a8f3b18cbfe016272b5b6ffcf73939642e4dc Mon Sep 17 00:00:00 2001
From: Bruce Dunwiddie <shriop@hotmail.com>
Date: Sun, 12 Apr 2020 22:47:29 -0500
Subject: [PATCH 1/3] Added regression test to verify null variable assignment
 functionality.

---
 Data_Eval/Tests/EvaluatorTests.cs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Data_Eval/Tests/EvaluatorTests.cs b/Data_Eval/Tests/EvaluatorTests.cs
index 4492026..ee7ae22 100644
--- a/Data_Eval/Tests/EvaluatorTests.cs
+++ b/Data_Eval/Tests/EvaluatorTests.cs
@@ -181,5 +181,19 @@ public void Evaluator_DynamicVariable()
 
 			Assert.AreEqual("something", evaluator.Eval<string>());
 		}
+
+		[Test]
+		public void Evaluator_NullVariableComparison()
+		{
+			var evaluator = new Evaluator(
+				"return test == null");
+
+			evaluator.SetVariable(
+				"test",
+				null,
+				typeof(string));
+
+			Assert.IsTrue(evaluator.Eval<bool>());
+		}
 	}
 }

From 369b8e1086a417c423e96b99fd2dc0205309e07c Mon Sep 17 00:00:00 2001
From: Bruce Dunwiddie <shriop@hotmail.com>
Date: Thu, 16 Apr 2020 00:42:28 -0500
Subject: [PATCH 2/3] Implemented same logic to add reference for variable
 types behind the scenes for the Exec method same as the Eval method.

---
 Data_Eval/Data_Eval/Evaluator.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Data_Eval/Data_Eval/Evaluator.cs b/Data_Eval/Data_Eval/Evaluator.cs
index 4dab68b..6572c1c 100644
--- a/Data_Eval/Data_Eval/Evaluator.cs
+++ b/Data_Eval/Data_Eval/Evaluator.cs
@@ -321,6 +321,13 @@ private void InitExec(string caller)
 			{
 				references.Add(caller);
 
+				// add references to containing assemblies for all used variable types
+				variables
+					.Select(v => v.Value.Type.Assembly.Location)
+					.Distinct()
+					.ToList()
+					.ForEach(a => references.Add(a));
+
 				execution = new Execution();
 
 				Compiler compiler = new Compiler();

From c01d1478a15fbc82e14e9a521779307e2ded921c Mon Sep 17 00:00:00 2001
From: Bruce Dunwiddie <shriop@hotmail.com>
Date: Fri, 17 Apr 2020 01:07:17 -0500
Subject: [PATCH 3/3] Incrementing version number for release.

---
 Data_Eval/Data_Eval/Data_Eval.csproj | 2 +-
 Data_Eval/Data_Eval/Data_Eval.nuspec | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Data_Eval/Data_Eval/Data_Eval.csproj b/Data_Eval/Data_Eval/Data_Eval.csproj
index 20081b1..15d7997 100644
--- a/Data_Eval/Data_Eval/Data_Eval.csproj
+++ b/Data_Eval/Data_Eval/Data_Eval.csproj
@@ -7,7 +7,7 @@
     <SignAssembly>true</SignAssembly>
     <DelaySign>false</DelaySign>
     <AssemblyOriginatorKeyFile>Data_Eval.snk</AssemblyOriginatorKeyFile>
-    <Version>2.4.3</Version>
+    <Version>2.4.4</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
diff --git a/Data_Eval/Data_Eval/Data_Eval.nuspec b/Data_Eval/Data_Eval/Data_Eval.nuspec
index acfdefc..319a1b2 100644
--- a/Data_Eval/Data_Eval/Data_Eval.nuspec
+++ b/Data_Eval/Data_Eval/Data_Eval.nuspec
@@ -2,7 +2,7 @@
 <package>
 	<metadata>
 		<id>Data.Eval</id>
-		<version>2.4.3</version>
+		<version>2.4.4</version>
 		<title>Data.Eval</title>
 		<authors>Bruce Dunwiddie</authors>
 		<owners>shriop</owners>