Use lexical-binding in most remaining emacs-lisp tests

* test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el:
* test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el:
* test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el:
* test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el:
* test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el:
* test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el:
* test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el:
* test/lisp/emacs-lisp/package-resources/newer-versions/new-pkg-1.0.el:
* test/lisp/emacs-lisp/package-resources/newer-versions/simple-single-1.4.el:
* test/lisp/emacs-lisp/package-resources/simple-depend-1.0.el:
* test/lisp/emacs-lisp/package-resources/simple-single-1.3.el:
* test/lisp/emacs-lisp/package-resources/simple-two-depend-1.1.el:
* test/lisp/emacs-lisp/package-tests.el:
* test/lisp/emacs-lisp/shadow-resources/p1/foo.el:
* test/lisp/emacs-lisp/shadow-resources/p2/FOO.el: Use lexical-binding.

* test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
(eitest-F, eitest-H, eitest-I, constructor, make-instance)
(initialize-instance, CNM-M):
* test/lisp/emacs-lisp/package-tests.el (with-package-test)
(package-test-update-archives, package-test-signed): Silence byte-compiler.

15 files changed, 48 insertions, 47 deletions

diff --git a/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el b/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
index 60e49ab93a4..7be057db8b2 100644
--- a/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
+++ b/test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
@@ -1,4 +1,4 @@
-;;; edebug-test-code.el --- Sample code for the Edebug test suite
+;;; edebug-test-code.el --- Sample code for the Edebug test suite  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2017-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el b/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
index b3e296db16b..73c3ea82e2d 100644
--- a/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
+++ b/test/lisp/emacs-lisp/eieio-tests/eieio-test-methodinvoke.el
@@ -1,4 +1,4 @@
-;;; eieio-testsinvoke.el -- eieio tests for method invocation
+;;; eieio-testsinvoke.el -- eieio tests for method invocation  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2005, 2008, 2010, 2013-2020 Free Software Foundation,
 ;; Inc.
@@ -83,36 +83,36 @@
 (defclass eitest-B-base2 () ())
 (defclass eitest-B (eitest-B-base1 eitest-B-base2) ())
 
-(defmethod eitest-F :BEFORE ((p eitest-B-base1))
+(defmethod eitest-F :BEFORE ((_p eitest-B-base1))
   (eieio-test-method-store :BEFORE 'eitest-B-base1))
 
-(defmethod eitest-F :BEFORE ((p eitest-B-base2))
+(defmethod eitest-F :BEFORE ((_p eitest-B-base2))
   (eieio-test-method-store :BEFORE 'eitest-B-base2))
 
-(defmethod eitest-F :BEFORE ((p eitest-B))
+(defmethod eitest-F :BEFORE ((_p eitest-B))
   (eieio-test-method-store :BEFORE 'eitest-B))
 
-(defmethod eitest-F ((p eitest-B))
+(defmethod eitest-F ((_p eitest-B))
   (eieio-test-method-store :PRIMARY 'eitest-B)
   (call-next-method))
 
-(defmethod eitest-F ((p eitest-B-base1))
+(defmethod eitest-F ((_p eitest-B-base1))
   (eieio-test-method-store :PRIMARY 'eitest-B-base1)
   (call-next-method))
 
-(defmethod eitest-F ((p eitest-B-base2))
+(defmethod eitest-F ((_p eitest-B-base2))
   (eieio-test-method-store :PRIMARY 'eitest-B-base2)
   (when (next-method-p)
     (call-next-method))
   )
 
-(defmethod eitest-F :AFTER ((p eitest-B-base1))
+(defmethod eitest-F :AFTER ((_p eitest-B-base1))
   (eieio-test-method-store :AFTER 'eitest-B-base1))
 
-(defmethod eitest-F :AFTER ((p eitest-B-base2))
+(defmethod eitest-F :AFTER ((_p eitest-B-base2))
   (eieio-test-method-store :AFTER 'eitest-B-base2))
 
-(defmethod eitest-F :AFTER ((p eitest-B))
+(defmethod eitest-F :AFTER ((_p eitest-B))
   (eieio-test-method-store :AFTER 'eitest-B))
 
 (ert-deftest eieio-test-method-order-list-3 ()
@@ -136,7 +136,7 @@
 
 ;;; Test static invocation
 ;;
-(defmethod eitest-H :STATIC ((class eitest-A))
+(defmethod eitest-H :STATIC ((_class eitest-A))
   "No need to do work in here."
   'moose)
 
@@ -147,15 +147,15 @@
 
 ;;; Return value from :PRIMARY
 ;;
-(defmethod eitest-I :BEFORE ((a eitest-A))
+(defmethod eitest-I :BEFORE ((_a eitest-A))
   (eieio-test-method-store :BEFORE 'eitest-A)
   ":before")
 
-(defmethod eitest-I :PRIMARY ((a eitest-A))
+(defmethod eitest-I :PRIMARY ((_a eitest-A))
   (eieio-test-method-store :PRIMARY 'eitest-A)
   ":primary")
 
-(defmethod eitest-I :AFTER ((a eitest-A))
+(defmethod eitest-I :AFTER ((_a eitest-A))
   (eieio-test-method-store :AFTER 'eitest-A)
   ":after")
 
@@ -174,17 +174,17 @@
 (defclass C (C-base1 C-base2) ())
 
 ;; Just use the obsolete name once, to make sure it also works.
-(defmethod constructor :STATIC ((p C-base1) &rest args)
+(defmethod constructor :STATIC ((_p C-base1) &rest _args)
   (eieio-test-method-store :STATIC 'C-base1)
   (if (next-method-p) (call-next-method))
   )
 
-(defmethod make-instance :STATIC ((p C-base2) &rest args)
+(defmethod make-instance :STATIC ((_p C-base2) &rest _args)
   (eieio-test-method-store :STATIC 'C-base2)
   (if (next-method-p) (call-next-method))
   )
 
-(cl-defmethod make-instance ((p (subclass C)) &rest args)
+(cl-defmethod make-instance ((_p (subclass C)) &rest _args)
   (eieio-test-method-store :STATIC 'C)
   (cl-call-next-method)
   )
@@ -213,24 +213,24 @@
 (defclass D-base2 (D-base0) () :method-invocation-order :depth-first)
 (defclass D (D-base1 D-base2) () :method-invocation-order :depth-first)
 
-(defmethod eitest-F ((p D))
+(defmethod eitest-F ((_p D))
   "D"
   (eieio-test-method-store :PRIMARY 'D)
   (call-next-method))
 
-(defmethod eitest-F ((p D-base0))
+(defmethod eitest-F ((_p D-base0))
   "D-base0"
   (eieio-test-method-store :PRIMARY 'D-base0)
   ;; This should have no next
   ;; (when (next-method-p) (call-next-method))
   )
 
-(defmethod eitest-F ((p D-base1))
+(defmethod eitest-F ((_p D-base1))
   "D-base1"
   (eieio-test-method-store :PRIMARY 'D-base1)
   (call-next-method))
 
-(defmethod eitest-F ((p D-base2))
+(defmethod eitest-F ((_p D-base2))
   "D-base2"
   (eieio-test-method-store :PRIMARY 'D-base2)
   (when (next-method-p)
@@ -256,21 +256,21 @@
 (defclass E-base2 (E-base0) () :method-invocation-order :breadth-first)
 (defclass E (E-base1 E-base2) () :method-invocation-order :breadth-first)
 
-(defmethod eitest-F ((p E))
+(defmethod eitest-F ((_p E))
   (eieio-test-method-store :PRIMARY 'E)
   (call-next-method))
 
-(defmethod eitest-F ((p E-base0))
+(defmethod eitest-F ((_p E-base0))
   (eieio-test-method-store :PRIMARY 'E-base0)
   ;; This should have no next
   ;; (when (next-method-p) (call-next-method))
   )
 
-(defmethod eitest-F ((p E-base1))
+(defmethod eitest-F ((_p E-base1))
   (eieio-test-method-store :PRIMARY 'E-base1)
   (call-next-method))
 
-(defmethod eitest-F ((p E-base2))
+(defmethod eitest-F ((_p E-base2))
   (eieio-test-method-store :PRIMARY 'E-base2)
   (when (next-method-p)
     (call-next-method))
@@ -293,7 +293,7 @@
 (defclass eitest-Ja ()
   ())
 
-(defmethod initialize-instance :after ((this eitest-Ja) &rest slots)
+(defmethod initialize-instance :after ((_this eitest-Ja) &rest _slots)
   ;(message "+Ja")
   ;; FIXME: Using next-method-p in an after-method is invalid!
   (when (next-method-p)
@@ -304,7 +304,7 @@
 (defclass eitest-Jb ()
   ())
 
-(defmethod initialize-instance :after ((this eitest-Jb) &rest slots)
+(defmethod initialize-instance :after ((_this eitest-Jb) &rest _slots)
   ;(message "+Jb")
   ;; FIXME: Using next-method-p in an after-method is invalid!
   (when (next-method-p)
@@ -318,7 +318,7 @@
 (defclass eitest-Jd (eitest-Jc eitest-Ja)
   ())
 
-(defmethod initialize-instance ((this eitest-Jd) &rest slots)
+(defmethod initialize-instance ((_this eitest-Jd) &rest _slots)
   ;(message "+Jd")
   (when (next-method-p)
     (call-next-method))
@@ -357,7 +357,7 @@
     (call-next-method
      this (cons 'CNM-1-1 args))))
 
-(defmethod CNM-M ((this CNM-1-2) args)
+(defmethod CNM-M ((_this CNM-1-2) args)
   (push (cons 'CNM-1-2 (copy-sequence args))
         eieio-test-call-next-method-arguments)
   (when (next-method-p)
diff --git a/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el b/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
index 3c5aeaf708f..6979da8482b 100644
--- a/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
+++ b/test/lisp/emacs-lisp/eieio-tests/eieio-test-persist.el
@@ -1,4 +1,4 @@
-;;; eieio-test-persist.el --- Tests for eieio-persistent class
+;;; eieio-test-persist.el --- Tests for eieio-persistent class  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el b/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el
index 3017b52ab54..4bad36080a1 100644
--- a/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el
+++ b/test/lisp/emacs-lisp/faceup-resources/faceup-test-mode.el
@@ -1,4 +1,4 @@
-;;; faceup-test-mode.el --- Dummy major mode for testing `faceup'.
+;;; faceup-test-mode.el --- Dummy major mode for testing `faceup'.  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el b/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el
index ab638ef932f..d8ab02b650e 100644
--- a/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el
+++ b/test/lisp/emacs-lisp/faceup-resources/faceup-test-this-file-directory.el
@@ -1,4 +1,4 @@
-;;; faceup-test-this-file-directory.el --- Support file for faceup tests
+;;; faceup-test-this-file-directory.el --- Support file for faceup tests  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el b/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el
index 0838981fcb9..3c9ec76cdf7 100644
--- a/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el
+++ b/test/lisp/emacs-lisp/faceup-tests/faceup-test-basics.el
@@ -1,4 +1,4 @@
-;;; faceup-test-basics.el --- Tests for the `faceup' package.
+;;; faceup-test-basics.el --- Tests for the `faceup' package.  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el b/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el
index 4f5fe180bb3..a87c16d66c0 100644
--- a/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el
+++ b/test/lisp/emacs-lisp/faceup-tests/faceup-test-files.el
@@ -1,4 +1,4 @@
-;;; faceup-test-files.el --- Self test of `faceup' using dummy major mode.
+;;; faceup-test-files.el --- Self test of `faceup' using dummy major mode.  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/package-resources/newer-versions/new-pkg-1.0.el b/test/lisp/emacs-lisp/package-resources/newer-versions/new-pkg-1.0.el
index 7251622fa59..61c1b045990 100644
--- a/test/lisp/emacs-lisp/package-resources/newer-versions/new-pkg-1.0.el
+++ b/test/lisp/emacs-lisp/package-resources/newer-versions/new-pkg-1.0.el
@@ -1,4 +1,4 @@
-;;; new-pkg.el --- A package only seen after "updating" archive-contents
+;;; new-pkg.el --- A package only seen after "updating" archive-contents  -*- lexical-binding:t -*-
 
 ;; Author: J. R. Hacker <jrh@example.com>
 ;; Version: 1.0
diff --git a/test/lisp/emacs-lisp/package-resources/newer-versions/simple-single-1.4.el b/test/lisp/emacs-lisp/package-resources/newer-versions/simple-single-1.4.el
index 7b1c00c06db..301993deb30 100644
--- a/test/lisp/emacs-lisp/package-resources/newer-versions/simple-single-1.4.el
+++ b/test/lisp/emacs-lisp/package-resources/newer-versions/simple-single-1.4.el
@@ -1,4 +1,4 @@
-;;; simple-single.el --- A single-file package with no dependencies
+;;; simple-single.el --- A single-file package with no dependencies  -*- lexical-binding:t -*-
 
 ;; Author: J. R. Hacker <jrh@example.com>
 ;; Version: 1.4
diff --git a/test/lisp/emacs-lisp/package-resources/simple-depend-1.0.el b/test/lisp/emacs-lisp/package-resources/simple-depend-1.0.el
index b58b658d024..cb003905bb5 100644
--- a/test/lisp/emacs-lisp/package-resources/simple-depend-1.0.el
+++ b/test/lisp/emacs-lisp/package-resources/simple-depend-1.0.el
@@ -1,4 +1,4 @@
-;;; simple-depend.el --- A single-file package with a dependency.
+;;; simple-depend.el --- A single-file package with a dependency.  -*- lexical-binding:t -*-
 
 ;; Author: J. R. Hacker <jrh@example.com>
 ;; Version: 1.0
diff --git a/test/lisp/emacs-lisp/package-resources/simple-single-1.3.el b/test/lisp/emacs-lisp/package-resources/simple-single-1.3.el
index 6756a28080b..9c3f427ff48 100644
--- a/test/lisp/emacs-lisp/package-resources/simple-single-1.3.el
+++ b/test/lisp/emacs-lisp/package-resources/simple-single-1.3.el
@@ -1,4 +1,4 @@
-;;; simple-single.el --- A single-file package with no dependencies
+;;; simple-single.el --- A single-file package with no dependencies  -*- lexical-binding:t -*-
 
 ;; Author: J. R. Hacker <jrh@example.com>
 ;; Version: 1.3
diff --git a/test/lisp/emacs-lisp/package-resources/simple-two-depend-1.1.el b/test/lisp/emacs-lisp/package-resources/simple-two-depend-1.1.el
index 9cfe5c0d4e2..a0a9607350a 100644
--- a/test/lisp/emacs-lisp/package-resources/simple-two-depend-1.1.el
+++ b/test/lisp/emacs-lisp/package-resources/simple-two-depend-1.1.el
@@ -1,4 +1,4 @@
-;;; simple-two-depend.el --- A single-file package with two dependencies.
+;;; simple-two-depend.el --- A single-file package with two dependencies.  -*- lexical-binding:t -*-
 
 ;; Author: J. R. Hacker <jrh@example.com>
 ;; Version: 1.1
diff --git a/test/lisp/emacs-lisp/package-tests.el b/test/lisp/emacs-lisp/package-tests.el
index 05770d6b58a..c0ed82c474a 100644
--- a/test/lisp/emacs-lisp/package-tests.el
+++ b/test/lisp/emacs-lisp/package-tests.el
@@ -1,4 +1,4 @@
-;;; package-test.el --- Tests for the Emacs package system
+;;; package-test.el --- Tests for the Emacs package system  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2013-2020 Free Software Foundation, Inc.
 
@@ -143,8 +143,8 @@
            ,(if basedir `(cd ,basedir))
            (unless (file-directory-p package-user-dir)
              (mkdir package-user-dir))
-           (cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest r) t))
-                     ((symbol-function 'y-or-n-p)    (lambda (&rest r) t)))
+           (cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest _) t))
+                     ((symbol-function 'y-or-n-p)    (lambda (&rest _) t)))
              ,@(when install
                  `((package-initialize)
                    (package-refresh-contents)
@@ -449,7 +449,7 @@ Must called from within a `tar-mode' buffer."
 (ert-deftest package-test-update-archives ()
   "Test updating package archives."
   (with-package-test ()
-    (let ((buf (package-list-packages)))
+    (let ((_buf (package-list-packages)))
       (revert-buffer)
       (search-forward-regexp "^ +simple-single")
       (package-menu-mark-install)
@@ -593,6 +593,7 @@ Must called from within a `tar-mode' buffer."
      (should (search-forward "This is a bare-bones readme file for the multi-file"
                              nil t)))))
 
+(defvar epg-config--program-alist) ; Silence byte-compiler.
 (ert-deftest package-test-signed ()
   "Test verifying package signature."
   (skip-unless (let ((homedir (make-temp-file "package-test" t)))
@@ -631,7 +632,7 @@ Must called from within a `tar-mode' buffer."
         (should (progn (package-install 'signed-good) 'noerror))
         (should (progn (package-install 'signed-bad) 'noerror)))
       ;; Check if the installed package status is updated.
-      (let ((buf (package-list-packages)))
+      (let ((_buf (package-list-packages)))
         (revert-buffer)
         (should (re-search-forward
                  "^\\s-+signed-good\\s-+\\(\\S-+\\)\\s-+\\(\\S-+\\)\\s-"
diff --git a/test/lisp/emacs-lisp/shadow-resources/p1/foo.el b/test/lisp/emacs-lisp/shadow-resources/p1/foo.el
index 465038bee5e..ffe68f9356f 100644
--- a/test/lisp/emacs-lisp/shadow-resources/p1/foo.el
+++ b/test/lisp/emacs-lisp/shadow-resources/p1/foo.el
@@ -1 +1 @@
-;;; This file intentionally left blank.
+;;; This file intentionally left blank.  -*- lexical-binding:t -*-
diff --git a/test/lisp/emacs-lisp/shadow-resources/p2/FOO.el b/test/lisp/emacs-lisp/shadow-resources/p2/FOO.el
index 465038bee5e..ffe68f9356f 100644
--- a/test/lisp/emacs-lisp/shadow-resources/p2/FOO.el
+++ b/test/lisp/emacs-lisp/shadow-resources/p2/FOO.el
@@ -1 +1 @@
-;;; This file intentionally left blank.
+;;; This file intentionally left blank.  -*- lexical-binding:t -*-