module cron

fn test_not_allowed() {
	mut res := false
	parse_expression('4 *-7') or { res = true }
	assert res

	res = false
	parse_expression('4 *-7/4') or { res = true }
	assert res

	res = false
	parse_expression('4 7/*') or { res = true }
	assert res

	res = false
	parse_expression('0 0 30 2') or { res = true }
	assert res

	res = false
	parse_expression('0 0 30 2 0') or { res = true }
	assert res
}

fn test_leading_star() {
	mut x := false
	parse_expression('*5 8') or { x = true }
	assert x

	x = false
	parse_expression('x 8') or { x = true }
	assert x
}

fn test_auto_extend() ! {
	ce1 := parse_expression('5 5')!
	ce2 := parse_expression('5 5 *')!
	ce3 := parse_expression('5 5 * *')!

	assert ce1 == ce2 && ce2 == ce3
}