Comment #18 on issue 2084 by smichr: limit(1+1/x, x, 0, dir='-') fails
http://code.google.com/p/sympy/issues/detail?id=2084

I'm not sure about adding all the tests. Tests should test coverage and assert behavior that shouldn't change. They aren't all needed for coverage. They do assert what should be true for some cases that we discussed so perhaps there is value in keeping them. My current 2084 also has a test for the case of z being a real:

limit(r**(-Rational(1,2)), r, 0, '-') would then be oo not I*oo, right?

So check out 2084 and see if that looks ok to you. If you want to just add the real test (if you agree) to what you did then that would be fine with me.

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