Remove type hierarchy of Win32AutoscaleTestBase #1728
Merged
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Auto-scale related, Windows-specific tests are currently organized in a class hierarchy based on Win32AutoscaleTestBase. This leads to unnecessarily initialized objects (e.g., shells or displays without any need for a test) and the strict necessity to use activated monitor-specific scaling in actual tests or to revert the setup logic affecting that value by hand.
This change removes the Win32AutoscaleTestBase and moves the common test functionality into extensions (PlatformSpecificExecution, ResetMonitorSpecificScaling and WithMonitorSpecificScaling) as well as the utility class DPITestUtil.
This serves as a preparation for #1720.