Analyzing the Results of a Bitmap Checkpoint - WinRunner

A bitmap checkpoint compares expected and actual bitmaps in your application. In the Test Results window you can view pictures of the expected and actual results. If a mismatch is detected by a bitmap checkpoint during a test run in Verify or Debug mode, the expected, actual, and difference bitmaps are displayed. For a mismatch during a test run in Update mode, only the expected bitmaps are displayed.

Analyzing the Results of a Bitmap Checkpoint

When viewing results in the WinRunner report view, you can control which types of bitmaps are displayed (expected, actual, difference) when you view the results of a bitmap checkpoint. To set the controls, choose Options > Bitmap Controls in the Test Results window.

Note:A bitmap checkpoint on identical bitmaps could fail if different display drivers are used when you create the checkpoint and when you run the test, because different display drivers may draw the same bitmap using slightly different color definitions. For more information, see “Handling Differences in Display Drivers,” on page 378.


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