patch 8.0.1048: no test for what 8.0.1020 fixes commit https://github.com/vim/vim/commit/5e80de3f3e572805fe734b66bc42c13303ad9bdb Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 3 15:48:12 2017 +0200 patch 8.0.1048: no test for what 8.0.1020 fixes Problem: No test for what 8.0.1020 fixes. Solution: Add test_feedinput(). Add a test. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/2046)

function Test_Comparators()
  try
    let oldisident=&isident
    set isident+=#
    call assert_equal(1, 1 is#1)
  finally
    let &isident=oldisident
  endtry
endfunction