66 lines
2.3 KiB
EmacsLisp
66 lines
2.3 KiB
EmacsLisp
;;; clang-include-fixer-test.el --- unit tests for clang-include-fixer.el -*- lexical-binding: t; -*-
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;;; Commentary:
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;; Unit tests for clang-include-fixer.el.
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;;; Code:
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(require 'clang-include-fixer)
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(require 'cc-mode)
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(require 'ert)
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(ert-deftest clang-include-fixer--insert-line ()
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"Unit test for `clang-include-fixer--insert-line'."
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(with-temp-buffer
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(insert "aa\nab\nac\nad\n")
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(let ((from (current-buffer)))
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(with-temp-buffer
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(insert "aa\nac\nad\n")
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(let ((to (current-buffer)))
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(should (clang-include-fixer--insert-line from to))
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(should (equal (buffer-string) "aa\nab\nac\nad\n")))))
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(should (equal (buffer-string) "aa\nab\nac\nad\n"))))
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(ert-deftest clang-include-fixer--insert-line-diff-on-empty-line ()
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"Unit test for `clang-include-fixer--insert-line'."
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(with-temp-buffer
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(insert "aa\nab\n\nac\nad\n")
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(let ((from (current-buffer)))
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(with-temp-buffer
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(insert "aa\n\nac\nad\n")
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(let ((to (current-buffer)))
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(should (clang-include-fixer--insert-line from to))
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(should (equal (buffer-string) "aa\nab\n\nac\nad\n")))))
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(should (equal (buffer-string) "aa\nab\n\nac\nad\n"))))
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(ert-deftest clang-include-fixer--symbol-at-point ()
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"Unit test for `clang-include-fixer--symbol-at-point'."
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(with-temp-buffer
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(insert "a+bbb::cc")
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(c++-mode)
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(goto-char (point-min))
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(should (equal (clang-include-fixer--symbol-at-point) "a"))
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(forward-char)
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;; Emacs treats the character immediately following a symbol as part of the
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;; symbol.
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(should (equal (clang-include-fixer--symbol-at-point) "a"))
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(forward-char)
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(should (equal (clang-include-fixer--symbol-at-point) "bbb::cc"))
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(goto-char (point-max))
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(should (equal (clang-include-fixer--symbol-at-point) "bbb::cc"))))
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(ert-deftest clang-include-fixer--highlight ()
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(with-temp-buffer
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(insert "util::Status foo;\n")
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(setq buffer-file-coding-system 'utf-8-unix)
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(should (equal nil (clang-include-fixer--highlight
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'((Range . ((Offset . 0) (Length . 0)))))))
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(let ((overlay (clang-include-fixer--highlight
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'((Range . ((Offset . 1) (Length . 12)))))))
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(should (equal 2 (overlay-start overlay)))
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(should (equal 14 (overlay-end overlay))))))
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;;; clang-include-fixer-test.el ends here
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