Add ability to mark/unmark/delete all bookmarks

Thanks to Karl Fogel for pre-commit review.

* lisp/bookmark.el (bookmark-delete-all): New function to delete all
  bookmarks.
  (bookmark-bmenu-mark-all): New function to mark all bookmarks in the
  bookmark list buffer.
  (bookmark-bmenu-unmark-all): New function to unmark all bookmarks in
  the bookmark list buffer.
  (bookmark-bmenu-delete-all): New function to mark for deletion all
  bookmarks in the bookmark list buffer.
  (bookmark-map): Map "D" to `bookmark-delete-all'.
  (bookmark-bmenu-mode-map): New mappping for "M" to
  `bookmark-bmenu-mark-all'.
  (bookmark-bmenu-mode-map): New mappping for "U" to
  `bookmark-bmenu-unmark-all'.
  (bookmark-bmenu-mode-map): New mappping for "D" to
  `bookmark-bmenu-delete-all'.
  (bookmark-bmenu-mark-all): New bookmark menu to
  `bookmark-delete-all'.
  (easy-menu-define): New bookmark menu to `bookmark-bmenu-mark-all'.
  (easy-menu-define): New bookmark menu to
  `bookmark-bmenu-unmark-all'.
  (easy-menu-define): New bookmark menu to
  `bookmark-bmenu-delete-all'.
  (bookmark-bmenu-select): Update docstring to include a reference to
  `bookmark-bmenu-mark-all'.
  (bookmark-bmenu-mode): Update docstring. Add/Update description:
  `bookmark-bmenu-mark-all', `bookmark-bmenu-delete-all',
  `bookmark-bmenu-execute-deletions', and `bookmark-bmenu-unmark-all'.
* test/lisp/bookmark-resources/test-list.bmk: New bookmark file to
  test a list of bookmarks.
* test/lisp/bookmark-tests.el (bookmark-tests-bookmark-file-list): New
  reference to the bookmark file used for testing a list of bookmarks.
  (bookmark-tests-bookmark-list-0, bookmark-tests-bookmark-list-1,
  bookmark-tests-bookmark-list-2): New cached values for testing a
  list of bookmark.
  (bookmark-tests-cache-timestamp-list): New variable to set
  `bookmark-bookmarks-timestamp'.
  (with-bookmark-test-list): New macro environment to test a list of
  bookmarks.
  (with-bookmark-test-file-list): New macro environment to test a list
  of bookmarks with example.txt.
  (with-bookmark-bmenu-test-list): New macro environment to test
  functions about a list of bookmarks from `bookmark-bmenu-list'.
  (bookmark-tests-all-names-list, bookmark-tests-get-bookmark-list,
  bookmark-tests-get-bookmark-record-list): New functions to test the
  records of the list of bookmarks.
  (bookmark-tests-make-record-list): New function to test the creation
  of a record from example.txt with a list of bookmarks loaded.
  (bookmark-tests-delete-all): New function to test
  `bookmark-delete-all'.
  (bookmark-test-bmenu-any-marks-list): New function to test
  `bookmark-bmenu-any-marks' with a list of bookmarks.
  (bookmark-test-bmenu-mark-all): New function to test
  `bookmark-bmenu-mark-all'.
  (bookmark-test-bmenu-unmark-all): New function to test
  `bookmark-bmenu-unmark-all'.
  (bookmark-test-bmenu-delete-all): New function to test
  `bookmark-bmenu-delete-all'.

1 files changed, 20 insertions, 0 deletions

diff --git a/test/lisp/bookmark-resources/test-list.bmk b/test/lisp/bookmark-resources/test-list.bmk
new file mode 100644
index 00000000000..696d64979b8
--- /dev/null
+++ b/test/lisp/bookmark-resources/test-list.bmk
@@ -0,0 +1,20 @@
+;;;; Emacs Bookmark Format Version 1 ;;;; -*- coding: utf-8-emacs -*-
+;;; This format is meant to be slightly human-readable;
+;;; nevertheless, you probably don't want to edit it.
+;;; -*- End Of Bookmark File Format Version Stamp -*-
+(("name-0"
+ (filename . "/some/file-0")
+ (front-context-string . "abc")
+ (rear-context-string . "def")
+ (position . 3))
+("name-1"
+ (filename . "/some/file-1")
+ (front-context-string . "abc")
+ (rear-context-string . "def")
+ (position . 3))
+("name-2"
+ (filename . "/some/file-2")
+ (front-context-string . "abc")
+ (rear-context-string . "def")
+ (position . 3))
+)