feat: add IPath.GetFullPath(string,string) (#657)

Co-authored-by: iislam <ibrahim.islam@agoda.com>

Author: mii9000

src/System.IO.Abstractions/IPath.cs

@@ -36,6 +36,10 @@ public interface IPath
         string GetFileNameWithoutExtension(string path);
         /// <inheritdoc cref="Path.GetFullPath(string)"/>
         string GetFullPath(string path);
+#if FEATURE_ADVANCED_PATH_OPERATIONS
+        /// <inheritdoc cref="Path.GetFullPath(string, string)"/>
+        string GetFullPath(string path, string basePath);
+#endif
         /// <inheritdoc cref="Path.GetInvalidFileNameChars"/>
         char[] GetInvalidFileNameChars();
         /// <inheritdoc cref="Path.GetInvalidPathChars"/>

src/System.IO.Abstractions/PathBase.cs

@@ -63,6 +63,11 @@ internal PathBase() { }
         /// <inheritdoc cref="Path.GetFullPath(string)"/>
         public abstract string GetFullPath(string path);
 
+#if FEATURE_ADVANCED_PATH_OPERATIONS
+        /// <inheritdoc cref="Path.GetFullPath(string, string)"/>
+        public abstract string GetFullPath(string path, string basePath);
+#endif
+
         /// <inheritdoc cref="Path.GetInvalidFileNameChars"/>
         public abstract char[] GetInvalidFileNameChars();
 

src/System.IO.Abstractions/PathWrapper.cs

@@ -83,6 +83,13 @@ public override string GetFullPath(string path)
             return Path.GetFullPath(path);
         }
 
+# if FEATURE_ADVANCED_PATH_OPERATIONS
+        public override string GetFullPath(string path, string basePath)
+        {
+            return Path.GetFullPath(path, basePath);
+        }
+#endif
+
         public override char[] GetInvalidFileNameChars()
         {
             return Path.GetInvalidFileNameChars();