-(require 'ert)\r
-(require 'ert-x)\r
-(require 'js2-mode)\r
-\r
-(defmacro js2-deftest (name buffer-contents &rest body)\r
- `(ert-deftest ,(intern (format "js2-%s" name)) ()\r
- (with-temp-buffer\r
- (save-excursion\r
- (insert ,buffer-contents))\r
- (unwind-protect\r
- (progn\r
- ,@body)\r
- (fundamental-mode)))))\r
-\r
-(put 'js2-deftest 'lisp-indent-function 'defun)\r
-\r
-(defun js2-test-string-to-ast (s)\r
- (ert-with-test-buffer (:name 'origin)\r
- (insert s)\r
- (js2-mode)\r
- (should (null js2-mode-buffer-dirty-p))\r
- js2-mode-ast))\r
-\r
-(defun* js2-test-parse-string (code-string &key syntax-error errors-count\r
- reference)\r
- (let ((ast (js2-test-string-to-ast code-string)))\r
- (if syntax-error\r
- (let ((errors (js2-ast-root-errors ast)))\r
- (should (= (or errors-count 1) (length errors)))\r
- (destructuring-bind (_ pos len) (first errors)\r
- (should (string= syntax-error (substring code-string\r
- (1- pos) (+ pos len -1))))))\r
- (should (= 0 (length (js2-ast-root-errors ast))))\r
- (ert-with-test-buffer (:name 'copy)\r
- (js2-print-tree ast)\r
- (skip-chars-backward " \t\n")\r
- (should (string= (or reference code-string)\r
- (buffer-substring-no-properties\r
- (point-min) (point))))))))\r
-\r
-(defmacro* js2-deftest-parse (name code-string &key bind syntax-error errors-count\r
- reference)\r
- "Parse CODE-STRING. If SYNTAX-ERROR is nil, print syntax tree\r
-with `js2-print-tree' and assert the result to be equal to\r
-REFERENCE, if present, or the original string. If SYNTAX-ERROR\r
-is passed, expect syntax error highlighting substring equal to\r
-SYNTAX-ERROR value. BIND defines bindings to apply them around\r
-the test."\r
- `(ert-deftest ,(intern (format "js2-%s" name)) ()\r
- (let ,(append bind '((js2-basic-offset 2)))\r
- (js2-test-parse-string ,code-string\r
- :syntax-error ,syntax-error\r
- :errors-count ,errors-count\r
- :reference ,reference))))\r
-\r
-(put 'js2-deftest-parse 'lisp-indent-function 'defun)\r
-\r
-;;; Basics\r
-\r
-(js2-deftest-parse variable-assignment\r
- "a = 1;")\r
-\r
-(js2-deftest-parse empty-object-literal\r
- "b = {};")\r
-\r
-(js2-deftest-parse empty-array-literal\r
- "c = [];")\r
-\r
-(js2-deftest-parse comma-after-regexp\r
- "d = /eee/, 42;")\r
-\r
-(js2-deftest-parse return-statement\r
- "function foo() {\n return 2;\n}")\r
-\r
-(js2-deftest-parse function-statement\r
- "function foo() {\n}")\r
-\r
-(js2-deftest-parse function-expression-statements-are-verboten\r
- "function() {}" :syntax-error "function")\r
-\r
-(js2-deftest-parse member-expr-as-function-name\r
- "function a.b.c[2](x, y) {\n}"\r
- :bind ((js2-allow-member-expr-as-function-name t)))\r
-\r
-(js2-deftest-parse named-function-expression\r
- "a = function b() {};")\r
-\r
-;;; Callers of `js2-valid-prop-name-token'\r
-\r
-(js2-deftest-parse parse-property-access-when-not-keyword\r
- "A.foo = 3;")\r
-\r
-(js2-deftest-parse parse-property-access-when-keyword\r
- "A.in = 3;"\r
- :bind ((js2-allow-keywords-as-property-names t)))\r
-\r
-(js2-deftest-parse parse-property-access-when-keyword-no-xml\r
- "A.in = 3;"\r
- :bind ((js2-allow-keywords-as-property-names t)\r
- (js2-compiler-xml-available nil)))\r
-\r
-(js2-deftest-parse parse-object-literal-when-not-keyword\r
- "a = {b: 1};")\r
-\r
-(js2-deftest-parse parse-object-literal-when-keyword\r
- "a = {in: 1};"\r
- :bind ((js2-allow-keywords-as-property-names t)))\r
-\r
-;;; 'of' contextual keyword\r
-\r
-(js2-deftest-parse parse-array-comp-loop-with-of\r
- "[a for (a of [])];")\r
-\r
-(js2-deftest-parse parse-for-of\r
- "for (var a of []) {\n}")\r
-\r
-(js2-deftest-parse of-can-be-var-name\r
- "var of = 3;")\r
-\r
-(js2-deftest-parse of-can-be-function-name\r
- "function of() {\n}")\r
-\r
-;;; Destructuring binding\r
-\r
-(js2-deftest-parse destruct-in-declaration\r
- "var {a, b} = {a: 1, b: 2};")\r
-\r
-(js2-deftest-parse destruct-in-arguments\r
- "function f({a: aa, b: bb}) {\n}")\r
-\r
-(js2-deftest-parse destruct-in-array-comp-loop\r
- "[a + b for ([a, b] in [[0, 1], [1, 2]])];")\r
-\r
-(js2-deftest-parse destruct-in-catch-clause\r
- "try {\n} catch ({a, b}) {\n a + b;\n}")\r
-\r
-;;; Function parameters\r
-\r
-(js2-deftest-parse function-with-default-parameters\r
- "function foo(a = 1, b = a + 1) {\n}")\r
-\r
-(js2-deftest-parse function-with-no-default-after-default\r
- "function foo(a = 1, b) {\n}"\r
- :syntax-error "b")\r
-\r
-(js2-deftest-parse function-with-destruct-after-default\r
- "function foo(a = 1, {b, c}) {\n}"\r
- :syntax-error "{")\r
-\r
-(js2-deftest-parse function-with-rest-parameter\r
- "function foo(a, b, ...rest) {\n}")\r
-\r
-(js2-deftest-parse function-with-param-after-rest-parameter\r
- "function foo(a, ...b, rest) {\n}"\r
- :syntax-error "rest")\r
-\r
-(js2-deftest-parse function-with-destruct-after-rest-parameter\r
- "function foo(a, ...b, {}) {\n}"\r
- :syntax-error "{}")\r
-\r
-(js2-deftest-parse function-with-rest-after-default-parameter\r
- "function foo(a = 1, ...rest) {\n}")\r
-\r
-;;; Spread operator\r
-\r
-(js2-deftest-parse spread-in-array-literal\r
- "[1, ...[2, 3], 4, ...[5, 6]];")\r
-\r
-(js2-deftest-parse spread-in-function-call\r
- "f(3, ...[t(2), t(3)], 42, ...[t(4)]);")\r
-\r
-;;; Arrow functions\r
-\r
-(js2-deftest-parse arrow-function-with-empty-args-and-no-curlies\r
- "() => false;" :reference "() => {false};")\r
-\r
-(js2-deftest-parse arrow-function-with-args-and-curlies\r
- "(a, b = 1, ...c) => { c;\n};")\r
-\r
-(js2-deftest-parse parenless-arrow-function-prohibits-rest\r
- "...b => {b + 1;};" :syntax-error "b" :errors-count 2)\r
-\r
-(js2-deftest-parse parenless-arrow-function-prohibits-destructuring\r
- "[a, b] => {a + b;};" :syntax-error "]" :errors-count 5)\r
-\r
-;;; Automatic semicolon insertion\r
-\r
-(js2-deftest-parse no-auto-semi-insertion-after-if\r
- "if (true) {\n}")\r
-\r
-(js2-deftest-parse auto-semi-insertion-after-function\r
- "a = function() {}" :reference "a = function() {};")\r
-\r
-(js2-deftest-parse auto-semi-one-variable-per-line\r
- "x\ny" :reference "x;\ny;")\r
-\r
-;;; Labels\r
-\r
-(js2-deftest-parse labeled-stmt-node\r
- "foo:\nbar:\nx = y + 1;")\r
-\r
-(js2-deftest no-label-node-inside-expr "x = y:"\r
- (let (js2-parse-interruptable-p)\r
- (js2-mode))\r
- (let ((assignment (js2-expr-stmt-node-expr (car (js2-scope-kids js2-mode-ast)))))\r
- (should (js2-name-node-p (js2-assign-node-right assignment)))))\r
-\r
-(js2-deftest-parse label-and-loops "for (; ; ) {\r
- loop:\r
- for (; ; ) {\r
- continue loop;\r
- }\r
-}")\r
-\r
-;;; Generators\r
-\r
-(js2-deftest-parse legacy-generator "function foo() {\n yield 1;\n}")\r
-\r
-(js2-deftest-parse legacy-generator-cannot-return\r
- "function foo() {\n yield 1;\n return 2;\n}" :syntax-error "return 2")\r
-\r
-(js2-deftest-parse harmony-generator "function* bar() {\n yield 2;\n return 3;\n}")\r
-\r
-;;; Scopes\r
-\r
-(js2-deftest ast-symbol-table-includes-fn-node "function foo() {}"\r
- (js2-mode)\r
- (let ((entry (js2-scope-get-symbol js2-mode-ast 'foo)))\r
- (should (= (js2-symbol-decl-type entry) js2-FUNCTION))\r
- (should (equal (js2-symbol-name entry) "foo"))\r
- (should (js2-function-node-p (js2-symbol-ast-node entry)))))\r
-\r
-(js2-deftest fn-symbol-table-includes-nested-fn "function foo() {\r
- function bar() {}\r
- var x;\r
-}"\r
- (js2-mode)\r
- (let* ((scope (js2-node-at-point (point-min)))\r
- (fn-entry (js2-scope-get-symbol scope 'bar))\r
- (var-entry (js2-scope-get-symbol scope 'x)))\r
- (should (string= (js2-name-node-name (js2-function-node-name scope)) "foo"))\r
- (should (= (js2-symbol-decl-type fn-entry) js2-FUNCTION))\r
- (should (js2-function-node-p (js2-symbol-ast-node fn-entry)))\r
- (should (= (js2-symbol-decl-type var-entry) js2-VAR))\r
- (should (js2-name-node-p (js2-symbol-ast-node var-entry)))))\r
-\r
-;;; Tokenizer\r
-\r
-(js2-deftest get-token "(1+1)"\r
- (js2-init-scanner)\r
- (should (eq js2-LP (js2-next-token)))\r
- (should (eq js2-NUMBER (js2-next-token)))\r
- (should (eq js2-ADD (js2-next-token)))\r
- (should (eq js2-NUMBER (js2-next-token)))\r
- (should (eq js2-RP (js2-next-token))))\r
-\r
-(js2-deftest unget-token "()"\r
- (js2-init-scanner)\r
- (should (eq js2-LP (js2-next-token)))\r
- (js2-unget-token)\r
- (should (eq js2-LP (js2-next-token)))\r
- (should (eq js2-RP (js2-next-token))))\r
-\r
-(js2-deftest get-token-or-eol "x\n++;"\r
- (js2-init-scanner)\r
- (should (eq js2-NAME (js2-next-token)))\r
- (should (eq js2-EOL (js2-peek-token-or-eol)))\r
- (should (eq js2-INC (js2-next-token)))\r
- (should (eq js2-SEMI (js2-peek-token-or-eol))))\r
-\r
-(js2-deftest unget-token-over-eol-and-comment "x\n//abc\ny"\r
- (js2-init-scanner)\r
- (should (eq js2-NAME (js2-next-token)))\r
- (should (eq js2-NAME (js2-next-token)))\r
- (should (equal "y" (js2-current-token-string)))\r
- (js2-unget-token)\r
- (should (eq js2-NAME (js2-current-token-type)))\r
- (should (equal "x" (js2-current-token-string))))\r
-\r
-(js2-deftest ts-seek "(1+2)"\r
- (js2-init-scanner)\r
- (should (eq js2-LP (js2-next-token)))\r
- (should (eq js2-NUMBER (js2-next-token)))\r
- (js2-unget-token)\r
- (let ((state (make-js2-ts-state)))\r
- (should (eq js2-NUMBER (js2-next-token)))\r
- (should (eq js2-ADD (js2-next-token)))\r
- (js2-ts-seek state)\r
- (should (eq 1 js2-ti-lookahead))\r
- (should (eq js2-NUMBER (js2-next-token)))\r
- (should (eq 1 (js2-token-number\r
- (js2-current-token))))))\r
-\r
-;;; Error handling\r
-\r
-(js2-deftest for-node-with-error-len "for "\r
- (js2-mode)\r
- (let ((node (js2-node-at-point (point-min))))\r
- (should (= (js2-node-len (js2-node-parent node)) 4))))\r
-\r
-(js2-deftest function-without-parens-error "function b {}"\r
- ;; Should finish the parse.\r
- (js2-mode))\r
+;;; tests/parser.el --- Some tests for js2-mode.
+
+;; Copyright (C) 2009, 2011-2013 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'ert)
+(require 'ert-x)
+(require 'js2-mode)
+
+(defmacro js2-deftest (name buffer-contents &rest body)
+ `(ert-deftest ,(intern (format "js2-%s" name)) ()
+ (with-temp-buffer
+ (save-excursion
+ (insert ,buffer-contents))
+ (unwind-protect
+ (progn
+ ,@body)
+ (fundamental-mode)))))
+
+(put 'js2-deftest 'lisp-indent-function 'defun)
+
+(defun js2-test-string-to-ast (s)
+ (ert-with-test-buffer (:name 'origin)
+ (insert s)
+ (js2-mode)
+ (should (null js2-mode-buffer-dirty-p))
+ js2-mode-ast))
+
+(defun* js2-test-parse-string (code-string &key syntax-error errors-count
+ reference)
+ (let ((ast (js2-test-string-to-ast code-string)))
+ (if syntax-error
+ (let ((errors (js2-ast-root-errors ast)))
+ (should (= (or errors-count 1) (length errors)))
+ (destructuring-bind (_ pos len) (first errors)
+ (should (string= syntax-error (substring code-string
+ (1- pos) (+ pos len -1))))))
+ (should (= 0 (length (js2-ast-root-errors ast))))
+ (ert-with-test-buffer (:name 'copy)
+ (js2-print-tree ast)
+ (skip-chars-backward " \t\n")
+ (should (string= (or reference code-string)
+ (buffer-substring-no-properties
+ (point-min) (point))))))))
+
+(defmacro* js2-deftest-parse (name code-string &key bind syntax-error errors-count
+ reference)
+ "Parse CODE-STRING. If SYNTAX-ERROR is nil, print syntax tree
+with `js2-print-tree' and assert the result to be equal to
+REFERENCE, if present, or the original string. If SYNTAX-ERROR
+is passed, expect syntax error highlighting substring equal to
+SYNTAX-ERROR value. BIND defines bindings to apply them around
+the test."
+ `(ert-deftest ,(intern (format "js2-%s" name)) ()
+ (let ,(append bind '((js2-basic-offset 2)))
+ (js2-test-parse-string ,code-string
+ :syntax-error ,syntax-error
+ :errors-count ,errors-count
+ :reference ,reference))))
+
+(put 'js2-deftest-parse 'lisp-indent-function 'defun)
+
+;;; Basics
+
+(js2-deftest-parse variable-assignment
+ "a = 1;")
+
+(js2-deftest-parse empty-object-literal
+ "b = {};")
+
+(js2-deftest-parse empty-array-literal
+ "c = [];")
+
+(js2-deftest-parse comma-after-regexp
+ "d = /eee/, 42;")
+
+(js2-deftest-parse return-statement
+ "function foo() {\n return 2;\n}")
+
+(js2-deftest-parse function-statement
+ "function foo() {\n}")
+
+(js2-deftest-parse function-expression-statements-are-verboten
+ "function() {}" :syntax-error "function")
+
+(js2-deftest-parse member-expr-as-function-name
+ "function a.b.c[2](x, y) {\n}"
+ :bind ((js2-allow-member-expr-as-function-name t)))
+
+(js2-deftest-parse named-function-expression
+ "a = function b() {};")
+
+;;; Callers of `js2-valid-prop-name-token'
+
+(js2-deftest-parse parse-property-access-when-not-keyword
+ "A.foo = 3;")
+
+(js2-deftest-parse parse-property-access-when-keyword
+ "A.in = 3;"
+ :bind ((js2-allow-keywords-as-property-names t)))
+
+(js2-deftest-parse parse-property-access-when-keyword-no-xml
+ "A.in = 3;"
+ :bind ((js2-allow-keywords-as-property-names t)
+ (js2-compiler-xml-available nil)))
+
+(js2-deftest-parse parse-object-literal-when-not-keyword
+ "a = {b: 1};")
+
+(js2-deftest-parse parse-object-literal-when-keyword
+ "a = {in: 1};"
+ :bind ((js2-allow-keywords-as-property-names t)))
+
+;;; 'of' contextual keyword
+
+(js2-deftest-parse parse-array-comp-loop-with-of
+ "[a for (a of [])];")
+
+(js2-deftest-parse parse-for-of
+ "for (var a of []) {\n}")
+
+(js2-deftest-parse of-can-be-var-name
+ "var of = 3;")
+
+(js2-deftest-parse of-can-be-function-name
+ "function of() {\n}")
+
+;;; Destructuring binding
+
+(js2-deftest-parse destruct-in-declaration
+ "var {a, b} = {a: 1, b: 2};")
+
+(js2-deftest-parse destruct-in-arguments
+ "function f({a: aa, b: bb}) {\n}")
+
+(js2-deftest-parse destruct-in-array-comp-loop
+ "[a + b for ([a, b] in [[0, 1], [1, 2]])];")
+
+(js2-deftest-parse destruct-in-catch-clause
+ "try {\n} catch ({a, b}) {\n a + b;\n}")
+
+;;; Function parameters
+
+(js2-deftest-parse function-with-default-parameters
+ "function foo(a = 1, b = a + 1) {\n}")
+
+(js2-deftest-parse function-with-no-default-after-default
+ "function foo(a = 1, b) {\n}"
+ :syntax-error "b")
+
+(js2-deftest-parse function-with-destruct-after-default
+ "function foo(a = 1, {b, c}) {\n}"
+ :syntax-error "{")
+
+(js2-deftest-parse function-with-rest-parameter
+ "function foo(a, b, ...rest) {\n}")
+
+(js2-deftest-parse function-with-param-after-rest-parameter
+ "function foo(a, ...b, rest) {\n}"
+ :syntax-error "rest")
+
+(js2-deftest-parse function-with-destruct-after-rest-parameter
+ "function foo(a, ...b, {}) {\n}"
+ :syntax-error "{}")
+
+(js2-deftest-parse function-with-rest-after-default-parameter
+ "function foo(a = 1, ...rest) {\n}")
+
+;;; Spread operator
+
+(js2-deftest-parse spread-in-array-literal
+ "[1, ...[2, 3], 4, ...[5, 6]];")
+
+(js2-deftest-parse spread-in-function-call
+ "f(3, ...[t(2), t(3)], 42, ...[t(4)]);")
+
+;;; Arrow functions
+
+(js2-deftest-parse arrow-function-with-empty-args-and-no-curlies
+ "() => false;" :reference "() => {false};")
+
+(js2-deftest-parse arrow-function-with-args-and-curlies
+ "(a, b = 1, ...c) => { c;\n};")
+
+(js2-deftest-parse parenless-arrow-function-prohibits-rest
+ "...b => {b + 1;};" :syntax-error "b" :errors-count 2)
+
+(js2-deftest-parse parenless-arrow-function-prohibits-destructuring
+ "[a, b] => {a + b;};" :syntax-error "]" :errors-count 5)
+
+;;; Automatic semicolon insertion
+
+(js2-deftest-parse no-auto-semi-insertion-after-if
+ "if (true) {\n}")
+
+(js2-deftest-parse auto-semi-insertion-after-function
+ "a = function() {}" :reference "a = function() {};")
+
+(js2-deftest-parse auto-semi-one-variable-per-line
+ "x\ny" :reference "x;\ny;")
+
+;;; Labels
+
+(js2-deftest-parse labeled-stmt-node
+ "foo:\nbar:\nx = y + 1;")
+
+(js2-deftest no-label-node-inside-expr "x = y:"
+ (let (js2-parse-interruptable-p)
+ (js2-mode))
+ (let ((assignment (js2-expr-stmt-node-expr (car (js2-scope-kids js2-mode-ast)))))
+ (should (js2-name-node-p (js2-assign-node-right assignment)))))
+
+(js2-deftest-parse label-and-loops "for (; ; ) {
+ loop:
+ for (; ; ) {
+ continue loop;
+ }
+}")
+
+;;; Generators
+
+(js2-deftest-parse legacy-generator "function foo() {\n yield 1;\n}")
+
+(js2-deftest-parse legacy-generator-cannot-return
+ "function foo() {\n yield 1;\n return 2;\n}" :syntax-error "return 2")
+
+(js2-deftest-parse harmony-generator "function* bar() {\n yield 2;\n return 3;\n}")
+
+;;; Scopes
+
+(js2-deftest ast-symbol-table-includes-fn-node "function foo() {}"
+ (js2-mode)
+ (let ((entry (js2-scope-get-symbol js2-mode-ast 'foo)))
+ (should (= (js2-symbol-decl-type entry) js2-FUNCTION))
+ (should (equal (js2-symbol-name entry) "foo"))
+ (should (js2-function-node-p (js2-symbol-ast-node entry)))))
+
+(js2-deftest fn-symbol-table-includes-nested-fn "function foo() {
+ function bar() {}
+ var x;
+}"
+ (js2-mode)
+ (let* ((scope (js2-node-at-point (point-min)))
+ (fn-entry (js2-scope-get-symbol scope 'bar))
+ (var-entry (js2-scope-get-symbol scope 'x)))
+ (should (string= (js2-name-node-name (js2-function-node-name scope)) "foo"))
+ (should (= (js2-symbol-decl-type fn-entry) js2-FUNCTION))
+ (should (js2-function-node-p (js2-symbol-ast-node fn-entry)))
+ (should (= (js2-symbol-decl-type var-entry) js2-VAR))
+ (should (js2-name-node-p (js2-symbol-ast-node var-entry)))))
+
+;;; Tokenizer
+
+(js2-deftest get-token "(1+1)"
+ (js2-init-scanner)
+ (should (eq js2-LP (js2-next-token)))
+ (should (eq js2-NUMBER (js2-next-token)))
+ (should (eq js2-ADD (js2-next-token)))
+ (should (eq js2-NUMBER (js2-next-token)))
+ (should (eq js2-RP (js2-next-token))))
+
+(js2-deftest unget-token "()"
+ (js2-init-scanner)
+ (should (eq js2-LP (js2-next-token)))
+ (js2-unget-token)
+ (should (eq js2-LP (js2-next-token)))
+ (should (eq js2-RP (js2-next-token))))
+
+(js2-deftest get-token-or-eol "x\n++;"
+ (js2-init-scanner)
+ (should (eq js2-NAME (js2-next-token)))
+ (should (eq js2-EOL (js2-peek-token-or-eol)))
+ (should (eq js2-INC (js2-next-token)))
+ (should (eq js2-SEMI (js2-peek-token-or-eol))))
+
+(js2-deftest unget-token-over-eol-and-comment "x\n//abc\ny"
+ (js2-init-scanner)
+ (should (eq js2-NAME (js2-next-token)))
+ (should (eq js2-NAME (js2-next-token)))
+ (should (equal "y" (js2-current-token-string)))
+ (js2-unget-token)
+ (should (eq js2-NAME (js2-current-token-type)))
+ (should (equal "x" (js2-current-token-string))))
+
+(js2-deftest ts-seek "(1+2)"
+ (js2-init-scanner)
+ (should (eq js2-LP (js2-next-token)))
+ (should (eq js2-NUMBER (js2-next-token)))
+ (js2-unget-token)
+ (let ((state (make-js2-ts-state)))
+ (should (eq js2-NUMBER (js2-next-token)))
+ (should (eq js2-ADD (js2-next-token)))
+ (js2-ts-seek state)
+ (should (eq 1 js2-ti-lookahead))
+ (should (eq js2-NUMBER (js2-next-token)))
+ (should (eq 1 (js2-token-number
+ (js2-current-token))))))
+
+;;; Error handling
+
+(js2-deftest for-node-with-error-len "for "
+ (js2-mode)
+ (let ((node (js2-node-at-point (point-min))))
+ (should (= (js2-node-len (js2-node-parent node)) 4))))
+
+(js2-deftest function-without-parens-error "function b {}"
+ ;; Should finish the parse.
+ (js2-mode))