Fixes an issue with trailing spaces on directory path for Windows. (#484)

* Fixes an issue with trailing spaces on directory path for Windows platform.

On Windows, trailing spaces are automatically removed from directory name.

Author: samds

System.IO.Abstractions.TestingHelpers.Tests/MockDirectoryInfoTests.cs

@@ -254,6 +254,36 @@ public void MockDirectoryInfo_FullName_ShouldReturnNormalizedPath(string directo
             Assert.AreEqual(expectedFullName, actualFullName);
         }
 
+        [TestCase(@"c:\temp\folder  ", @"c:\temp\folder")]
+        [WindowsOnly(WindowsSpecifics.Drives)]
+        public void MockDirectoryInfo_FullName_ShouldReturnPathWithTrimmedTrailingSpaces(string directoryPath, string expectedFullName)
+        {
+            // Arrange
+            var fileSystem = new MockFileSystem();
+            var directoryInfo = new MockDirectoryInfo(fileSystem, directoryPath);
+
+            // Act
+            var actualFullName = directoryInfo.FullName;
+
+            // Assert
+            Assert.AreEqual(expectedFullName, actualFullName);
+        }
+
+        [TestCase(@"c:\temp\\folder ", @"folder")]
+        [WindowsOnly(WindowsSpecifics.Drives)]
+        public void MockDirectoryInfo_Name_ShouldReturnNameWithTrimmedTrailingSpaces(string directoryPath, string expectedName)
+        {
+            // Arrange
+            var fileSystem = new MockFileSystem();
+            var directoryInfo = new MockDirectoryInfo(fileSystem, directoryPath);
+
+            // Act
+            var actualName = directoryInfo.Name;
+
+            // Assert
+            Assert.AreEqual(expectedName, actualName);
+        }
+
         [Test]
         public void MockDirectoryInfo_Constructor_ShouldThrowArgumentNullException_IfArgumentDirectoryIsNull()
         {

System.IO.Abstractions.TestingHelpers.Tests/MockDirectoryTests.cs

@@ -523,6 +523,20 @@ public void MockDirectory_CreateDirectory_ShouldReturnDirectoryInfoBase()
             Assert.IsNotNull(result);
         }
 
+        [Test]
+        [WindowsOnly(WindowsSpecifics.Drives)]
+        public void MockDirectory_CreateDirectory_ShouldTrimTrailingSpaces()
+        {
+            // Arrange
+            var fileSystem = new MockFileSystem();
+
+            // Act
+            fileSystem.Directory.CreateDirectory(XFS.Path(@"c:\temp\folder "));
+
+            // Assert
+            Assert.IsTrue(fileSystem.Directory.Exists(XFS.Path(@"c:\temp\folder")));
+        }
+
         [Test]
         public void MockDirectory_CreMockDirectory_CreateDirectory_ShouldReturnDirectoryInfoBaseWhenDirectoryExists()
         {

System.IO.Abstractions.TestingHelpers/MockDirectory.cs

@@ -50,6 +50,10 @@ private IDirectoryInfo CreateDirectoryInternal(string path, DirectorySecurity di
             }
 
             path = mockFileDataAccessor.Path.GetFullPath(path).TrimSlashes();
+            if (XFS.IsWindowsPlatform())
+            {
+                path = path.TrimEnd(' ');
+            }
 
             if (!Exists(path))
             {

System.IO.Abstractions.TestingHelpers/MockDirectoryInfo.cs

@@ -4,6 +4,8 @@
 
 namespace System.IO.Abstractions.TestingHelpers
 {
+    using XFS = MockUnixSupport;
+
     [Serializable]
     public class MockDirectoryInfo : DirectoryInfoBase
     {
@@ -24,7 +26,12 @@ public MockDirectoryInfo(IMockFileDataAccessor mockFileDataAccessor, string dire
             originalPath = directoryPath;
             directoryPath = mockFileDataAccessor.Path.GetFullPath(directoryPath);
 
-            this.directoryPath = directoryPath.TrimSlashes();
+            directoryPath = directoryPath.TrimSlashes();
+            if (XFS.IsWindowsPlatform())
+            {
+                directoryPath = directoryPath.TrimEnd(' ');
+            }
+            this.directoryPath = directoryPath;
         }
 
         public override void Delete()