diff --git a/src/testdir/test_feedkeys.vim b/src/testdir/test_feedkeys.vim
new file mode 100644
index 0000000..33cd589
--- /dev/null
+++ b/src/testdir/test_feedkeys.vim
@@ -0,0 +1,10 @@
+" Test feedkeys() function.
+
+func Test_feedkeys_x_with_empty_string()
+  new
+  call feedkeys("ifoo\<Esc>")
+  call assert_equal('', getline('.'))
+  call feedkeys('', 'x')
+  call assert_equal('foo', getline('.'))
+  quit!
+endfunc