>From 29996e07c23c9716f731dde224c8ca47e321e697 Mon Sep 17 00:00:00 2001 From: Benjamin Riefenstahl Date: Tue, 17 Jan 2023 20:13:39 +0200 Subject: [PATCH 2/2] Add test suite for sgml-html-meta-auto-coding-function * test/lisp/international/mule-tests.el (sgml-html-meta-pre) (sgml-html-meta-post, sgml-html-meta-run, sgml-html-meta-utf-8) (sgml-html-meta-windows-hebrew, sgml-html-meta-none) (sgml-html-meta-unknown-coding, sgml-html-meta-no-pre) (sgml-html-meta-no-post-less-than-10lines) (sgml-html-meta-no-post-10lines, sgml-html-meta-utf-8-with-bom): Add. --- test/lisp/international/mule-tests.el | 66 +++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/test/lisp/international/mule-tests.el b/test/lisp/international/mule-tests.el index 4f70b275848..6e23d8c5421 100644 --- a/test/lisp/international/mule-tests.el +++ b/test/lisp/international/mule-tests.el @@ -70,6 +70,72 @@ mule-hz ;; The chinese-hz encoding is not ASCII compatible. (should-not (coding-system-get 'chinese-hz :ascii-compatible-p))) +;;; Testing `sgml-html-meta-auto-coding-function'. + +(defconst sgml-html-meta-pre "" + "The beginning of a minimal HTML document.") + +(defconst sgml-html-meta-post "" + "The end of a minimal HTML document.") + +(defun sgml-html-meta-run (coding-system) + "Run `sgml-html-meta-auto-coding-function' on a minimal HTML. +When CODING-SYSTEM is not nil, insert it, wrapped in a '' +element. When CODING-SYSTEM contains HTML meta characters or +white space, insert it as-is, without additional formatting. Use +the variables `sgml-html-meta-pre' and `sgml-html-meta-post' to +provide HTML fragments. Some tests override those variables." + (with-temp-buffer + (insert sgml-html-meta-pre + (cond ((not coding-system) + "") + ((string-match "[<>'\"\n ]" coding-system) + coding-system) + (t + (format "" coding-system))) + sgml-html-meta-post) + (goto-char (point-min)) + (sgml-html-meta-auto-coding-function (- (point-max) (point-min))))) + +(ert-deftest sgml-html-meta-utf-8 () + "Baseline: UTF-8." + (should (eq 'utf-8 (sgml-html-meta-run "utf-8")))) + +(ert-deftest sgml-html-meta-windows-hebrew () + "A non-Unicode charset." + (should (eq 'windows-1255 (sgml-html-meta-run "windows-1255")))) + +(ert-deftest sgml-html-meta-none () + (should (eq nil (sgml-html-meta-run nil)))) + +(ert-deftest sgml-html-meta-unknown-coding () + (should (eq nil (sgml-html-meta-run "XXX")))) + +(ert-deftest sgml-html-meta-no-pre () + "Without the prefix, so not HTML." + (let ((sgml-html-meta-pre "")) + (should (eq nil (sgml-html-meta-run "utf-8"))))) + +(ert-deftest sgml-html-meta-no-post-less-than-10lines () + "No '', detect charset in the first 10 lines." + (let ((sgml-html-meta-post "")) + (should (eq 'utf-8 (sgml-html-meta-run + (concat "\n\n\n\n\n\n\n\n\n" + "")))))) + +(ert-deftest sgml-html-meta-no-post-10lines () + "No '', do not detect charset after the first 10 lines." + (let ((sgml-html-meta-post "")) + (should (eq nil (sgml-html-meta-run + (concat "\n\n\n\n\n\n\n\n\n\n" + "")))))) + +(ert-deftest sgml-html-meta-utf-8-with-bom () + "Requesting 'UTF-8' does not override `utf-8-with-signature'. +Check fix for Bug#20623." + (let ((buffer-file-coding-system 'utf-8-with-signature)) + (should (eq 'utf-8-with-signature (sgml-html-meta-run "utf-8"))))) + ;; Stop "Local Variables" above causing confusion when visiting this file. -- 2.30.2