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ZeroDivisionError exception if UI Automation RangeValue pattern specifies maximum of 0 #2417

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nvaccessAuto opened this issue Jun 8, 2012 · 1 comment
Closed

ZeroDivisionError exception if UI Automation RangeValue pattern specifies maximum of 0 #2417

nvaccessAuto opened this issue Jun 8, 2012 · 1 comment
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2012.3

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Reported by jteh on 2012-06-08 07:50
NVDAObjects.UIA.UIA._get_value can throw a !ZeroDivisionError if the !RangeValue pattern is supported but returns a maximum value of 0. While strange, I guess we should probably handle this possibility, since it has been seen in the wild. Also, this documentation suggests a default value of 0.0 for maximum.

We haven't seen this yet, but I'm also wondering whether we need to handle negative values here. I haven't found any documentation yet which specifies whether this is legal or not.
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Comment 1 by jteh on 2012-08-01 00:52
Should be fixed in 5da8300. I don't have any apps that produce this situation, but I've tested the calculations and they seem to be correct.
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@nvaccessAuto nvaccessAuto added this to the 2012.3 milestone Nov 10, 2015
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