1 files changed, 24 insertions, 1 deletions
diff --git a/src/testdir/test_taglist.vim b/src/testdir/test_taglist.vim
index 3ad202591..0a9350adc 100644
--- a/src/testdir/test_taglist.vim
+++ b/src/testdir/test_taglist.vim
@@ -1,4 +1,4 @@
-" test 'taglist' function and :tags command
+" test taglist(), tagfiles() functions and :tags command
 
 func Test_taglist()
   call writefile([
@@ -61,3 +61,26 @@ func Test_tags_too_long()
   call assert_fails('tag ' . repeat('x', 1020), 'E426')
   tags
 endfunc
+
+func Test_tagfiles()
+  call assert_equal([], tagfiles())
+
+  call writefile(["FFoo\tXfoo\t1"], 'Xtags1')
+  call writefile(["FBar\tXbar\t1"], 'Xtags2')
+  set tags=Xtags1,Xtags2
+  call assert_equal(['Xtags1', 'Xtags2'], tagfiles())
+
+  help
+  let tf = tagfiles()
+  call assert_equal(1, len(tf))
+  call assert_equal(fnamemodify(expand('$VIMRUNTIME/doc/tags'), ':p:gs?\\?/?'),
+	\           fnamemodify(tf[0], ':p:gs?\\?/?'))
+  helpclose
+  call assert_equal(['Xtags1', 'Xtags2'], tagfiles())
+  set tags&
+  call assert_equal([], tagfiles())
+
+  call delete('Xtags1')
+  call delete('Xtags2')
+  bd
+endfunc