revert_test_prepare() {
	touch ${CONFIG_DIR}/revert
	${UCI} set revert.SEC0=section
	${UCI} set revert.SEC0.option0=value0
	${UCI} set revert.SEC0.option1='"Hello,
'"  World\""
}

test_revert_section()
{
	revert_test_prepare
	${UCI} revert revert.SEC0
	assertSameFile "${REF_DIR}/revert_section.result" "$CHANGES_DIR/revert"
}

test_revert_option()
{
	revert_test_prepare
	${UCI} revert revert.SEC0.option0
	assertSameFile "${REF_DIR}/revert_option.result" "$CHANGES_DIR/revert"
}

test_revert_option_multiline()
{
	revert_test_prepare
	${UCI} revert revert.SEC0.option1
	assertSameFile "${REF_DIR}/revert_option_multiline.result" "$CHANGES_DIR/revert"
}

test_revert_option_long()
{
	local val="$(head -c 8192 < /dev/zero | tr '\0' 'a')"
	local res

	touch ${CONFIG_DIR}/p

	${UCI} set p.s=sec
	${UCI} set p.s.o="$val"

	res="$(${UCI} changes)"
	assertEquals "p.s='sec'
p.s.o='$val'" "$res"

	${UCI} revert p
	res="$(${UCI} changes)"
	assertEquals "" "$res"
}