From 2ae4337d0db11d5bc411491889c8bbc09620ef2f Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sun, 5 May 2019 18:57:33 -0700
Subject: [PATCH] FirstCharToLower

---
 .../FirstCharcacterToLowerFixture.cs           | 18 ++++++++++++++++++
 .../FirstCharcacterToUpperFixture.cs           | 18 ++++++++++++++++++
 .../NzbDrone.Common.Test.csproj                |  2 ++
 .../Extensions/StringExtensions.cs             |  7 ++++++-
 4 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToLowerFixture.cs
 create mode 100644 src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToUpperFixture.cs

diff --git a/src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToLowerFixture.cs b/src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToLowerFixture.cs
new file mode 100644
index 000000000..e1314dcca
--- /dev/null
+++ b/src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToLowerFixture.cs
@@ -0,0 +1,18 @@
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Common.Extensions;
+
+namespace NzbDrone.Common.Test.ExtensionTests.StringExtensionTests
+{
+    [TestFixture]
+    public class FirstCharcacterToLowerFixture
+    {
+        [TestCase("Hello", "hello")]
+        [TestCase("CamelCase", "camelCase")]
+        [TestCase("A Full Sentence", "a Full Sentence")]
+        public void should_lower_case_first_character(string input, string expected)
+        {
+            input.FirstCharToLower().Should().Be(expected);
+        }
+    }
+}
diff --git a/src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToUpperFixture.cs b/src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToUpperFixture.cs
new file mode 100644
index 000000000..bf8169b60
--- /dev/null
+++ b/src/NzbDrone.Common.Test/ExtensionTests/StringExtensionTests/FirstCharcacterToUpperFixture.cs
@@ -0,0 +1,18 @@
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Common.Extensions;
+
+namespace NzbDrone.Common.Test.ExtensionTests.StringExtensionTests
+{
+    [TestFixture]
+    public class FirstCharcacterToUpperFixture
+    {
+        [TestCase("hello", "Hello")]
+        [TestCase("camelCase", "CamelCase")]
+        [TestCase("a full sentence", "A full sentence")]
+        public void should_capitalize_first_character(string input, string expected)
+        {
+            input.FirstCharToUpper().Should().Be(expected);
+        }
+    }
+}
diff --git a/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj b/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
index 612a2346a..9f547171e 100644
--- a/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
+++ b/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
@@ -85,6 +85,8 @@
     <Compile Include="ExtensionTests\IEnumerableExtensionTests\IntersectByFixture.cs" />
     <Compile Include="ExtensionTests\Int64ExtensionFixture.cs" />
     <Compile Include="ExtensionTests\IPAddressExtensionsFixture.cs" />
+    <Compile Include="ExtensionTests\StringExtensionTests\FirstCharcacterToLowerFixture.cs" />
+    <Compile Include="ExtensionTests\StringExtensionTests\FirstCharcacterToUpperFixture.cs" />
     <Compile Include="ExtensionTests\UrlExtensionsFixture.cs" />
     <Compile Include="HashUtilFixture.cs" />
     <Compile Include="Http\HttpClientFixture.cs" />
diff --git a/src/NzbDrone.Common/Extensions/StringExtensions.cs b/src/NzbDrone.Common/Extensions/StringExtensions.cs
index ad5b14519..3de53ef0d 100644
--- a/src/NzbDrone.Common/Extensions/StringExtensions.cs
+++ b/src/NzbDrone.Common/Extensions/StringExtensions.cs
@@ -22,9 +22,14 @@ namespace NzbDrone.Common.Extensions
             return "[NULL]";
         }
 
+        public static string FirstCharToLower(this string input)
+        {
+            return input.First().ToString().ToLower() + input.Substring(1);
+        }
+
         public static string FirstCharToUpper(this string input)
         {
-            return input.First().ToString().ToUpper() + string.Join("", input.Skip(1));
+            return input.First().ToString().ToUpper() + input.Substring(1);
         }
 
         public static string Inject(this string format, params object[] formattingArgs)