create user with password

Hi All,

I logged in as postgres user and created a new user 'test' with a password.
create user test with password 'test';

But when I use the -U option to login with the new user 'test', it does not ask for password and directly logs me in. If I use -u(without capitalization), it asks for the username and password. I know that -u is deprecated. Is there a way to get -U option to ask for the password before logging in?? Or am I doing anything wrong here?

Thanks,
Saranya

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