zsh-syntax-highlighting/highlighters/main/test-data/command-substitution-unclosed.zsh

#!/usr/bin/env zsh
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# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# vim: ft=zsh sw=2 ts=2 et
# -------------------------------------------------------------------------------------------------

BUFFER=$': foo$(echo bar'

expected_region_highlight=(
  '1 1 builtin' # :
  '3 15 default' # foo$(echo bar
  '6 15 command-substitution-unquoted' # $(echo bar
  '6 7 command-substitution-delimiter-unquoted' # $(
  '8 11 builtin' # echo
  '13 15 default' # bar
)

if [[ ${(z):-'$('} == '$( ' ]]; then # ignore zsh 5.0.8 bug
  expected_region_highlight[2]='3 16 default' # foo$(echo bar
  expected_region_highlight[3]='6 16 command-substitution-unquoted' # $(echo bar
fi