#!/bin/bash

[ -f testing.sh ] && . testing.sh

#testing "name" "command" "result" "infile" "stdin"

# Accidentally given a Unix time, we should trivially reject that.
testing "date Unix time" "date 1438053157 2>&1" "date: bad date '1438053157'\n" "" ""
# But some invalid dates are more subtle, like Febuary 29th in a non-leap year.
testing "date Feb 29th" "date 022900001975 2>&1" "date: bad date