Forum Discussion

burnettm's avatar
burnettm
Senior Member
6 years ago

Pixel and Color tolerance

Hi, I'm very new to Test Complete and am using it with no coding experience, so I apologise in advance if this is a stupid question.   We have a desktop application and we are using TC to automat...
  • tristaanogre's avatar
    tristaanogre
    6 years ago

    There are also, always, minor variant differences even in the same object on the same system.  Its for this reason I don't rely on Image comparisons unless there is no other way to do so.  So, for example, if all you're doing is checking the text in an object, do a propery checkpoint on the WndCaption or similar property rather than an image comparison.

Bobik's avatar
Bobik
Frequent Contributor
6 years ago

I guess your application highlights a control when you move the mouse over it.

So when you captured a region checkpoint the control was highlighted because you picked it by the mouse. And during playback, I think mouse pointer is pointing somewhere else. 

In this case, play your test and then click "Update checkpoint" link in Details of the error message in the log.

  • tristaanogre's avatar
    tristaanogre
    Esteemed Contributor
    6 years ago

    There are also, always, minor variant differences even in the same object on the same system.  Its for this reason I don't rely on Image comparisons unless there is no other way to do so.  So, for example, if all you're doing is checking the text in an object, do a propery checkpoint on the WndCaption or similar property rather than an image comparison.