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fd6d8faa62
* lisp/align.el (align-region): Use markers to ensure the regions stay accurate after overlapping aligning modifications. (Bug#80316) * test/lisp/align-tests.el (align-c-multi-section): New test.
128 lines
3.6 KiB
EmacsLisp
128 lines
3.6 KiB
EmacsLisp
;;; align-tests.el --- Test suite for aligns -*- lexical-binding: t; -*-
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;; Copyright (C) 2015-2026 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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;;; Commentary:
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;;; Code:
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(require 'ert)
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(require 'ert-x)
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(require 'align)
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;;;; align
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(defun test-align-transform-fun (function)
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(lambda ()
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(funcall function)
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(align (point-min) (point-max))))
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(ert-deftest align-c ()
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(ert-test-erts-file (ert-resource-file "c-mode.erts")
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(test-align-transform-fun #'c-mode)))
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(ert-deftest align-c-multi-section ()
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"Test alignment of multiple sections in C code.
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Regression test for bug where positions become stale after earlier
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sections are aligned, causing incorrect alignment in later sections."
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(let ((input "int main(void)
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{
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long signed int foo = 5;
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int bar = 7;
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{
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int a1 = 4;
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int b1 = 2;
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long signed int junk1 = 2;
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}
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{
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int a2 = 4; /* comment */
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int b2 = 2;
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long signed int junk2 = 2; /* another comment */
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}
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return 0;
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}
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")
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(expected "int main(void)
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{
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long signed int foo = 5;
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int bar = 7;
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{
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int a1 = 4;
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int b1 = 2;
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long signed int junk1 = 2;
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}
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{
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int a2 = 4; /* comment */
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int b2 = 2;
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long signed int junk2 = 2; /* another comment */
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}
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return 0;
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}
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"))
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(with-temp-buffer
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(c-mode)
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(setq indent-tabs-mode nil)
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(insert input)
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(align (point-min) (point-max))
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(should (equal (buffer-string) expected)))))
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(ert-deftest align-css ()
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(let ((indent-tabs-mode nil))
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(ert-test-erts-file (ert-resource-file "css-mode.erts")
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(test-align-transform-fun #'css-mode))))
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(ert-deftest align-java ()
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(ert-test-erts-file (ert-resource-file "java-mode.erts")
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(test-align-transform-fun #'java-mode)))
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(ert-deftest align-latex ()
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(ert-test-erts-file (ert-resource-file "latex-mode.erts")
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(test-align-transform-fun #'latex-mode)))
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(autoload 'treesit-ready-p "treesit")
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(ert-deftest align-ts-lua ()
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(skip-unless (treesit-ready-p 'lua t))
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(let ((comment-column 20)
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(indent-tabs-mode nil))
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(ert-test-erts-file (ert-resource-file "lua-ts-mode.erts")
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(test-align-transform-fun #'lua-ts-mode))))
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(ert-deftest align-python ()
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(ert-test-erts-file (ert-resource-file "python-mode.erts")
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(test-align-transform-fun #'python-mode)))
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(ert-deftest align-toml ()
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(let ((indent-tabs-mode nil))
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(ert-test-erts-file (ert-resource-file "conf-toml-mode.erts")
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(test-align-transform-fun #'conf-toml-mode))))
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;;;; align-regexp
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(ert-deftest align-regexp ()
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(let ((indent-tabs-mode nil))
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(ert-test-erts-file (ert-resource-file "align-regexp.erts")
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(lambda ()
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(align-regexp (point-min) (point-max)
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"\\(\\s-*\\)(")))))
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(provide 'align-tests)
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;;; align-tests.el ends here
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