Coverage Tests (Device Fundamentals)
The Device Fundamental Coverage tests monitor and report on the various I/O request packets (IRPs) that enter or leave a driver stack for specified devices. The data from the Coverage tests can help identify coverage weaknesses during driver test and verification.
Coverage tests
| Test | Description |
|---|---|
Clear IRP coverage data |
Clears the IRP coverage data. Test binary: DriverCoverageClearCoverageData.dll Test method: ClearCoverageData Parameters: None |
Disable IRP coverage data collection |
Disables the IRP coverage data collection for device specified by the DQ parameter. Test binary: DriverCoverageDisableSupport.dll Test method: DisableCoverageDataCollection Parameters: DQ - see Device Fundamentals Test Parameters |
Display collected IRP coverage data. |
Displays the IRP coverage data collected up to this point for all devices. Test binary: DriverCoverageDisplayCoverage.dll Test method: DisplayCoverageData Parameters: None |
Display IRP coverage enabled devices |
Displays the devices that currently have IRP coverage data collection enabled for them. Test binary: DriverCoverageDisplayEnabledDevices.dll Test method: DisplayEnabledDevices Parameters: None |
Enable IRP coverage data collection |
Enables IRP coverage data collection for the device specified by the DQ parameter. Test binary: DriverCoverageEnableSupport.dll Test method: EnableCoverageDataCollection Parameters: None DQ - see Device Fundamentals Test Parameters |
About the Coverage tests
The Device Fundamentals coverage tests are based upon the Driver Coverage Toolkit, which was previously available as stand-alone tool in the WDK.
Related topics
How to How to test a driver at runtime using Visual Studio
How to select and configure the Device Fundamentals tests
How to select and configure the Device Fundamentals tests