dcd76bd48d
836be7a112; * etc/refcards/ru-refcard.tex: Update Copyright year.86cbc6ee4a* lisp/net/tramp-sh.el: Adapt copyright yearebe8772f65; Minor fixes related to copyright years23c1ee6989; * test/manual/etags/ETAGS.good_N: Adjust to copyright ye...8d3fc7ec89* src/xfaces.c (face_for_font): Make 'hash' be uintptr_t.19dcb237b5; Add 2022 to copyright years. # Conflicts: # etc/NEWS # etc/refcards/ru-refcard.tex # lib/cdefs.h # lisp/erc/erc-dcc.el # lisp/erc/erc-imenu.el # lisp/erc/erc-replace.el # lisp/image-dired.el # lisp/progmodes/xref.el # m4/alloca.m4 # m4/byteswap.m4 # m4/errno_h.m4 # m4/getopt.m4 # m4/gnulib-common.m4 # m4/inttypes.m4 # m4/stddef_h.m4 # m4/stdint.m4 # m4/sys_socket_h.m4
103 lines
3.8 KiB
EmacsLisp
103 lines
3.8 KiB
EmacsLisp
;;; let-alist.el --- tests for file handling. -*- lexical-binding: t; -*-
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;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert)
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(require 'cl-lib)
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(require 'let-alist)
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(ert-deftest let-alist-surface-test ()
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"Tests basic macro expansion for `let-alist'."
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(should
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(equal '(let ((symbol data))
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(let ((.test-one (cdr (assq 'test-one symbol)))
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(.test-two (cdr (assq 'test-two symbol))))
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(list .test-one .test-two
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.test-two .test-two)))
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(cl-letf (((symbol-function #'make-symbol) (lambda (_x) 'symbol)))
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(macroexpand
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'(let-alist data (list .test-one .test-two
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.test-two .test-two))))))
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(should
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(equal
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(let ((.external "ext")
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(.external.too "et"))
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(let-alist '((test-two . 0)
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(test-three . 1)
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(sublist . ((foo . 2)
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(bar . 3))))
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(list .test-one .test-two .test-three
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.sublist.foo .sublist.bar
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..external ..external.too)))
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(list nil 0 1 2 3 "ext" "et"))))
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(ert-deftest let-alist-cons ()
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(should
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(equal
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(let ((.external "ext"))
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(let-alist '((test-two . 0)
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(test-three . 1)
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(sublist . ((foo . 2)
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(bar . 3))))
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(list `(, .test-one . , .test-two)
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.sublist.bar ..external)))
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(list '(nil . 0) 3 "ext"))))
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(defvar let-alist--test-counter 0
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"Used to count number of times a function is called.")
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(ert-deftest let-alist-evaluate-once ()
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"Check that the alist argument is only evaluated once."
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(let ((let-alist--test-counter 0))
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(should
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(equal
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(let-alist (list
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(cons 'test-two (cl-incf let-alist--test-counter))
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(cons 'test-three (cl-incf let-alist--test-counter)))
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(list .test-one .test-two .test-two .test-three .cl-incf))
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'(nil 1 1 2 nil)))))
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(ert-deftest let-alist-remove-dot ()
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"Remove first dot from symbol."
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(should (equal (let-alist--remove-dot 'hi) 'hi))
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(should (equal (let-alist--remove-dot '.hi) 'hi))
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(should (equal (let-alist--remove-dot '..hi) '.hi)))
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(ert-deftest let-alist-list-to-sexp ()
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"Check that multiple dots are handled correctly."
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(should (= 1 (eval (let-alist--list-to-sexp '(a b c d) ''((d (c (b (a . 1)))))) t)))
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(should (equal (let-alist--access-sexp '.foo.bar.baz 'var)
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'(cdr (assq 'baz (cdr (assq 'bar (cdr (assq 'foo var))))))))
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(should (equal (let-alist--access-sexp '..foo.bar.baz 'var) '.foo.bar.baz)))
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(ert-deftest let-alist--deep-dot-search--nested ()
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"Check that nested `let-alist' forms don't generate spurious bindings.
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See Bug#24641."
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(should (equal (let-alist--deep-dot-search '(foo .bar (baz .qux)))
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'((.bar . bar) (.qux . qux))))
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(should (equal (let-alist--deep-dot-search '(foo .bar (let-alist .qux .baz)))
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'((.bar . bar) (.qux . qux))))) ; no .baz
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(ert-deftest let-alist--vectors ()
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(should (equal (let-alist '((a . 1) (b . 2))
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`[,(+ .a) ,(+ .a .b .b)])
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[1 5])))
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;;; let-alist-tests.el ends here
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