From d073bf833cb40903d8daaf292417a3219e5b797c Mon Sep 17 00:00:00 2001
From: Jason Nelson <jason@carbonmade.com>
Date: Mon, 27 Aug 2018 07:59:53 -0700
Subject: [PATCH] [SL.Core] Add HashHelpersTests

---
 src/SixLabors.Core/Helpers/HashHelpers.cs     |  2 +-
 .../Helpers/HashHelpersTests.cs               | 28 +++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 tests/SixLabors.Core.Tests/Helpers/HashHelpersTests.cs

diff --git a/src/SixLabors.Core/Helpers/HashHelpers.cs b/src/SixLabors.Core/Helpers/HashHelpers.cs
index a453a53de..b1e7ce660 100644
--- a/src/SixLabors.Core/Helpers/HashHelpers.cs
+++ b/src/SixLabors.Core/Helpers/HashHelpers.cs
@@ -59,4 +59,4 @@ namespace SixLabors
             return hash;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/tests/SixLabors.Core.Tests/Helpers/HashHelpersTests.cs b/tests/SixLabors.Core.Tests/Helpers/HashHelpersTests.cs
new file mode 100644
index 000000000..7091038ad
--- /dev/null
+++ b/tests/SixLabors.Core.Tests/Helpers/HashHelpersTests.cs
@@ -0,0 +1,28 @@
+// Copyright (c) Six Labors and contributors.
+// Licensed under the Apache License, Version 2.0.
+
+using Xunit;
+
+namespace SixLabors.Tests.Helpers
+{
+    public class HashHelpersTests
+    {
+        [Fact]
+        public void CanCombineTwoValues()
+        {
+            Assert.Equal(35, HashHelpers.Combine(1, 2));
+        }
+
+        [Fact]
+        public void CanCombineThreeValues()
+        {
+            Assert.Equal(1152, HashHelpers.Combine(1, 2, 3));
+        }
+
+        [Fact]
+        public void CanCombineFourValues()
+        {
+            Assert.Equal(38020, HashHelpers.Combine(1, 2, 3, 4));
+        }
+    }
+}
\ No newline at end of file