patch 8.0.0596: crash when complete() called after complete_add()
Problem: Crash when complete() is called after complete_add() in
'completefunc'. (Lifepillar)
Solution: Bail out if compl_pattern is NULL. (closes #1668)
Also avoid using freed memory.
diff --git a/src/testdir/test_popup.vim b/src/testdir/test_popup.vim
index 4789ca7..25d766f 100644
--- a/src/testdir/test_popup.vim
+++ b/src/testdir/test_popup.vim
@@ -570,4 +570,47 @@
bwipe!
endfunc
+fun MessCompleteMonths()
+ for m in split("Jan Feb Mar Apr May Jun Jul Aug Sep")
+ call complete_add(m)
+ if complete_check()
+ break
+ endif
+ endfor
+ return []
+endfun
+
+fun MessCompleteMore()
+ call complete(1, split("Oct Nov Dec"))
+ return []
+endfun
+
+fun MessComplete(findstart, base)
+ if a:findstart
+ let line = getline('.')
+ let start = col('.') - 1
+ while start > 0 && line[start - 1] =~ '\a'
+ let start -= 1
+ endwhile
+ return start
+ else
+ call MessCompleteMonths()
+ call MessCompleteMore()
+ return []
+ endif
+endf
+
+func Test_complete_func_mess()
+ " Calling complete() after complete_add() in 'completefunc' is wrong, but it
+ " should not crash.
+ set completefunc=MessComplete
+ new
+ call setline(1, 'Ju')
+ call feedkeys("A\<c-x>\<c-u>/\<esc>", 'tx')
+ call assert_equal('Oct/Oct', getline(1))
+ bwipe!
+ set completefunc=
+endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab