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-rw-r--r--src/nvim/testdir/test_options.vim7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_options.vim b/src/nvim/testdir/test_options.vim
index eb42e35bd3..5ae8528ee9 100644
--- a/src/nvim/testdir/test_options.vim
+++ b/src/nvim/testdir/test_options.vim
@@ -22,6 +22,13 @@ function! Test_whichwrap()
set whichwrap&
endfunction
+function! Test_isfname()
+ " This used to cause Vim to access uninitialized memory.
+ set isfname=
+ call assert_equal("~X", expand("~X"))
+ set isfname&
+endfunction
+
function! Test_options()
let caught = 'ok'
try