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This automated test checks the stability of invalid parameters. It verifies that kernel-mode video drivers correctly validate command buffers and private driver data that is passed from user mode.
The test runs in the layer between the user-mode video driver and the kernel-mode video driver. The test intercepts calls from user mode to kernel mode. It then modifies the data that is associated with these calls. Kernel-mode video drivers must be robust enough to handle invalid parameters that come from any user-mode module without crashing or hanging.
This topic applies to the following test jobs:
WDDM Bit Flip - Invalid Param First Group
WDDM Bit Flip - Invalid Param Second Group
WDDM Bit Flip - Invalid Param Third Group
WDDM Bit Flip - Invalid Param Fourth Group
WDDM Bit Flip - Invalid Param Fifth Group
Test details
Associated requirements |
Device.Graphics.WDDM.DisplayRender.Stability |
Platforms |
Windows 7 (x64) Windows 7 (x86) Windows RT (ARM-based) Windows 8 (x64) Windows 8 (x86) Windows Server 2012 (x64) Windows Server 2008 R2 (x64) Windows RT 8.1 Windows 8.1 x64 Windows 8.1 x86 Windows Server 2012 R2 |
Expected run time |
~50 minutes |
Categories |
Certification Functional |
Type |
Automated |
Running the test
Before you run the test, complete the test setup as described in the test requirements: Graphic Adapter or Chipset Testing Prerequisites.
Troubleshooting
For troubleshooting information, see Troubleshooting Device.Graphics Testing.
More information
Command syntax
| Command option | Description |
|---|---|
BitFlip.exe |
Runs the test job. |
Note
For command-line help for this test binary, type /h.
File list
| File | Location |
|---|---|
BitFlip.exe |
<[testbinroot]>\nttest\ |
Configdisplay.exe |
<[testbinroot]>\nttest\windowstest\tools\ |