#!/usr/bin/env bash
array=(1)
split +array 2,3 ,
[[ ${array[*]} == '1 2 3' ]] || fail "expected '1 2 3', got '${array[*]}'"
split array '4 5'
[[ ${array[*]} == '4 5' ]] || fail "expected '4 5', got '${array[*]}'"
split- +array + <<<"6+7"
[[ ${array[*]} == '4 5 6 7' ]] || fail "expected '4 5 6 7', got '${array[*]}'"
