1 file changed, 23 insertions, 0 deletions
diff --git a/tests/t0105-plain.sh b/tests/t0105-plain.sh
index 68832da..e06ec96 100755
--- a/tests/t0105-plain.sh
+++ b/tests/t0105-plain.sh
@@ -209,4 +209,27 @@ test_expect_success 'a control character in a file name stays out of the headers
 	grep "^Content-Disposition: inline; filename=.ctl?name.txt.$" tmp
 '
 
+
+# A mime.types file gives an extension the type of the first line naming it,
+# so a line naming nothing, or a comment naming the extension ahead of the
+# real line, has to be passed over. Each test writes a file of its own.
+test_expect_success 'set up a file whose type only a mimetype file knows' '
+	test_create_repo repos/mime &&
+	test_commit -C repos/mime --no-tag note note.cgt
+'
+
+test_expect_success 'a blank line in the mimetype file is skipped' '
+	printf "\n   \nimage/x-cgit cgt\n" >blank.types &&
+	cgitrc_repo blankrc mime "mimetype-file=$PWD/blank.types" &&
+	cgit_ok blankrc "url=mime/plain/note.cgt" >tmp &&
+	grep "^Content-Type: image/x-cgit$" tmp
+'
+
+test_expect_success 'an indented comment in the mimetype file is skipped' '
+	printf "  # cgt used to be image/x-old\nimage/x-cgit cgt\n" >comment.types &&
+	cgitrc_repo commentrc mime "mimetype-file=$PWD/comment.types" &&
+	cgit_ok commentrc "url=mime/plain/note.cgt" >tmp &&
+	grep "^Content-Type: image/x-cgit$" tmp
+'
+
 test_done