test: added the test, removed two outdated tests

Author: oni-shiro

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

@@ -1811,21 +1811,6 @@ public async Task MockDirectory_GetParent_ShouldReturnTheParentWithoutTrailingDi
         await That(actualResult.FullName).IsEqualTo(expectedResult);
     }
 
-    [Test]
-    public async Task MockDirectory_Move_ShouldThrowAnIOExceptionIfBothPathAreIdentical()
-    {
-        // Arrange
-        string path = XFS.Path(@"c:\a");
-        var fileSystem = new MockFileSystem();
-        fileSystem.AddDirectory(path);
-
-        // Act
-        Action action = () => fileSystem.Directory.Move(path, path);
-
-        // Assert
-        await That(action, "Source and destination path must be different.").Throws<IOException>();
-    }
-
     [Test]
     [WindowsOnly(WindowsSpecifics.Drives)]
     public async Task MockDirectory_Move_ShouldThrowAnIOExceptionIfDirectoriesAreOnDifferentVolumes()
@@ -1857,24 +1842,7 @@ public async Task MockDirectory_Move_ShouldThrowADirectoryNotFoundExceptionIfDes
         // Assert
         await That(action, "Could not find a part of the path 'c:\a'.").Throws<DirectoryNotFoundException>();
     }
-
-    [Test]
-    public async Task MockDirectory_Move_ShouldThrowAnIOExceptionIfDestinationDirectoryExists()
-    {
-        // Arrange
-        string sourcePath = XFS.Path(@"c:\a");
-        string destPath = XFS.Path(@"c:\b");
-        var fileSystem = new MockFileSystem();
-        fileSystem.AddDirectory(sourcePath);
-        fileSystem.AddDirectory(destPath);
-
-        // Act
-        Action action = () => fileSystem.Directory.Move(sourcePath, destPath);
-
-        // Assert
-        await That(action, "Cannot create 'c:\b\' because a file or directory with the same name already exists.'").Throws<IOException>();
-    }
-
+    
     [Test]
     public async Task MockDirectory_EnumerateFiles_ShouldReturnAllFilesBelowPathWhenPatternIsWildcardAndSearchOptionIsAllDirectories()
     {
@@ -2204,4 +2172,19 @@ public async Task MockDirectory_Exists_ShouldReturnTrue_IfArgIsFrontSlashAndRoot
 
         await That(fileSystem.Directory.Exists("/")).IsEqualTo(true);
     }
+
+    [Test]
+    public async Task MockDirectory_Move_ShoudlNotThrowException_When_SourceAndDestLocationAreSame()
+    {
+        // Arrange
+        MockFileSystem mockFs = new MockFileSystem();
+        string tempDir = mockFs.Path.GetTempPath();
+        string src = mockFs.Path.Combine(tempDir, "src");
+        string dest = mockFs.Path.Combine(tempDir, "src");
+        IDirectoryInfo srcDir = mockFs.DirectoryInfo.New(src);
+        srcDir.Create();
+
+        // Act & Assert
+        await That(() => mockFs.Directory.Move(src, dest)).DoesNotThrow();
+    }
 }