What does Branch Coverage mean?

What does Branch Coverage mean?

I've got a method which is 100% covered by tests, here it is with "max visit count" in brackets before each line:

public ActionResult ResetPassword(string email, string token)
{
(4) var user = this.userService.Get(email);

(4) if (user != null && user.PasswordResetRequestToken == token)
    {
    (2) userService.ResetPassword(user);
    (2) return View("PasswordReset_Success");
    }
    else
    {
    (2) return View("PasswordReset_Fail");
    }               
}

Im told by NCover that this method has "100% method coverage" but only "75% branch coverage with 1 unvisited branch point" what does this mean?

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RE: What does Branch Coverage mean?

You never "fall out" of the method, so the last branch (the last } ) is never hit.

There isn't really anything you can do about that other than just ignore it, or to set a local value and return at the end.

Does that help?

Joe Feser

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RE: What does Branch Coverage mean?

Ahhhh i see, thanks :)

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RE: What does Branch Coverage mean?

I cannot reproduce this behavior. I always get a Branch Coverage of 100%.

Peter

I have NCover 3.2.4

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