test_changes_tailing_parts()
{
	local c val
	for c in + '' @ ^ '|' '~'; do
		touch ${CONFIG_DIR}/network
		cat >${CHANGES_DIR}/network <<-EOF
			${c}network.foo bar
			${c}network.foo bar=baz
			${c}network.foo.bar baz
			${c}network.foo.bar baz=bazz
		EOF
		val=$(${UCI} changes)
		assertNotSegFault "$?"
		assertNull "$val"
	done
}

test_changes_missing_value()
{
	local c val
	for c in + '' @ ^ '|' '~'; do
		touch ${CONFIG_DIR}/network
		mkdir -p ${CHANGES_DIR}
		cat >${CHANGES_DIR}/network <<-EOF
			${c}network.foo
			${c}network.foo.bar
		EOF
		val=$(${UCI} changes)
		assertNotSegFault "$?"
		assertNull "$val"
	done
}