--TEST--
Update to a state without dependency works well from a blank slate
--COMPOSER--
{
}
--RUN--
update
--EXPECT-LOCK--
{
    "packages": [],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "stable",
    "stability-flags": {},
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": {},
    "platform-dev": {}
}
--EXPECT--