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

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.