Convert manual js indent tests to unit tests

* test/lisp/progmodes/js-tests.el (ert-x): Require.
(js-deftest-indent): New macro.  Use it to define tests for indenting
the below files.

* test/manual/indent/js-chain.js:
* test/manual/indent/js-indent-align-list-continuation-nil.js:
* test/manual/indent/js-indent-init-dynamic.js:
* test/manual/indent/js-indent-init-t.js:
* test/manual/indent/js.js:
* test/manual/indent/jsx-align-gt-with-lt.jsx:
* test/manual/indent/jsx-comment-string.jsx:
* test/manual/indent/jsx-indent-level.jsx:
* test/manual/indent/jsx-quote.jsx:
* test/manual/indent/jsx-self-closing.jsx:
* test/manual/indent/jsx-unclosed-1.jsx:
* test/manual/indent/jsx-unclosed-2.jsx:
* test/manual/indent/jsx.jsx: Move from here...
* test/lisp/progmodes/js-resources/js-chain.js:
* test/lisp/progmodes/js-resources/js-indent-align-list-continuation-nil.js:
* test/lisp/progmodes/js-resources/js-indent-init-dynamic.js:
* test/lisp/progmodes/js-resources/js-indent-init-t.js:
* test/lisp/progmodes/js-resources/js.js:
* test/lisp/progmodes/js-resources/jsx-align-gt-with-lt.jsx:
* test/lisp/progmodes/js-resources/jsx-comment-string.jsx:
* test/lisp/progmodes/js-resources/jsx-indent-level.jsx:
* test/lisp/progmodes/js-resources/jsx-quote.jsx:
* test/lisp/progmodes/js-resources/jsx-self-closing.jsx:
* test/lisp/progmodes/js-resources/jsx-unclosed-1.jsx:
* test/lisp/progmodes/js-resources/jsx-unclosed-2.jsx:
* test/lisp/progmodes/js-resources/jsx.jsx: ...to here.

test/lisp/progmodes/js-tests.el

@@ -22,6 +22,7 @@
 ;;; Code:
 
 (require 'ert)
+(require 'ert-x)
 (require 'js)
 (require 'syntax)
 
@@ -196,6 +197,33 @@ if (!/[ (:,='\"]/.test(value)) {
     ;; The bug was a hang.
     (should t)))
 
+;;;; Indentation tests.
+
+(defmacro js-deftest-indent (file)
+  `(ert-deftest ,(intern (format "js-indent-test/%s" file)) ()
+     :tags '(:expensive-test)
+     (let ((buf (find-file-noselect (ert-resource-file ,file))))
+       (unwind-protect
+           (with-current-buffer buf
+             (let ((orig (buffer-string)))
+               (indent-region (point-min) (point-max))
+               (should (equal (buffer-string) orig))))
+         (kill-buffer buf)))))
+
+(js-deftest-indent "js-chain.js")
+(js-deftest-indent "js-indent-align-list-continuation-nil.js")
+(js-deftest-indent "js-indent-init-dynamic.js")
+(js-deftest-indent "js-indent-init-t.js")
+(js-deftest-indent "js.js")
+(js-deftest-indent "jsx-align-gt-with-lt.jsx")
+(js-deftest-indent "jsx-comment-string.jsx")
+(js-deftest-indent "jsx-indent-level.jsx")
+(js-deftest-indent "jsx-quote.jsx")
+(js-deftest-indent "jsx-self-closing.jsx")
+(js-deftest-indent "jsx-unclosed-1.jsx")
+(js-deftest-indent "jsx-unclosed-2.jsx")
+(js-deftest-indent "jsx.jsx")
+
 (provide 'js-tests)
 
 ;;; js-tests.el ends here