[wp-trac] [WordPress Trac] #57394: wp_insert_user allows the new user to have a username equal to an already registered email

[WordPress Trac]

#57394: wp_insert_user allows the new user to have a username equal to an already
registered email
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 Reporter:  buutqn                               |       Owner:  audrasjb
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.4
Component:  Login and Registration               |     Version:  6.1.1
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-unit-tests needs-      |     Focuses:
  testing                                        |
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Changes (by brianhenryie):

 * Attachment "57394-create-username.test.js.diff" added.

 Single test confirming the error message is shown when attempting to
 register a second user with the first user's email address as username

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Ticket URL: <https://core.trac.wordpress.org/ticket/57394>
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