patch 8.0.0237: when 'wildoptions' is "tagfile" completion may not work
Problem: When setting wildoptions=tagfile the completion context is not set
correctly. (desjardins)
Solution: Check for EXPAND_TAGS_LISTFILES. (Christian Brabandt, closes #1399)
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 279a168..fcfce73 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -295,3 +295,14 @@
2;')
quit
endfunc
+
+func Test_cmdline_complete_wildoptions()
+ help
+ call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
+ let a = join(sort(split(@:)),' ')
+ set wildoptions=tagfile
+ call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')
+ let b = join(sort(split(@:)),' ')
+ call assert_equal(a, b)
+ bw!
+endfunc