feat: update BMapSharp test

Assets/BMapBindings/BMapSharp/BMapSharpTest/Cli.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BMapSharpTest {
+
+    public class CliException : Exception {
+        public CliException() { }
+        public CliException(string message)
+            : base(message) { }
+        public CliException(string message, Exception inner)
+            : base(message, inner) { }
+    }
+
+    public class Cli {
+        public Cli() {
+            var filename = System.Environment.GetEnvironmentVariable("BMAP_FILE_NAME");
+            if (filename is null) {
+                throw new CliException("You must specify BMAP_FILE_NAME environment variable before running this test.");
+            }
+            this.FileName = filename;
+
+            var ballance_dir = System.Environment.GetEnvironmentVariable("BMAP_BALLANCE_DIR");
+            if (ballance_dir is null) {
+                throw new CliException("You must specify BMAP_BALLANCE_DIR environment variable before running this test.");
+            }
+            this.BallanceDirectory = ballance_dir;
+
+            var encodings = System.Environment.GetEnvironmentVariable("BMAP_ENCODINGS");
+            if (encodings is null) {
+                throw new CliException("You must specify BMAP_ENCODINGS environment variable before running this test.");
+            }
+            this.Encodings = encodings.Split(",");
+        }
+
+        /// <summary>
+        /// The path to the map for loading.
+        /// </summary>
+        public string FileName { get; private set; }
+        /// <summary>
+        /// The path to the Ballance directory for finding textures
+        /// </summary>
+        public string BallanceDirectory { get; private set; }
+        /// <summary>
+        /// The name of encodings used by BMap for loading map.
+        /// </summary>
+        public string[] Encodings { get; private set; }
+    }
+    
+
+}