add a test for error thrown if typescript-mode is loaded with lexical scoping enabled

Author: Rogach

typescript-mode-lexical-binding-tests.el

@@ -0,0 +1,27 @@
+;; -*- lexical-binding: t -*-
+;;; typescript-mode-lexical-binding-tests --- This file contains test for typescript-mode.el under enabled lexical-binding
+
+;;; Commentary:
+;; To know how to run the tests, see typescript-mode-tests.el
+
+(require 'ert)
+
+;; reload typescript-mode with lexical-binding enabled
+(with-temp-buffer
+  (insert-file-contents "typescript-mode.el")
+  (ignore-errors
+    (while (setq sexp (read (current-buffer)))
+      (eval sexp t)
+     ))
+  )
+
+(require 'typescript-mode-test-utilities)
+
+(ert-deftest lexical-binding--indentation-does-not-throw-error ()
+  (with-temp-buffer
+    (insert-file-contents "test-files/indentation-reference-document.ts")
+    (typescript-mode)
+    (goto-line 2)
+    (typescript-indent-line)))
+
+(provide 'typescript-mode-lexical-binding-tests)

typescript-mode-tests.el

@@ -11,6 +11,7 @@
 (require 'typescript-mode-test-utilities)
 (require 'typescript-mode-general-tests)
 (require 'typescript-mode-jsdoc-tests)
+(require 'typescript-mode-lexical-binding-tests)
 
 (provide 'typescript-mode-tests)