void TestFailureMode(Tpm2 tpm, TestContext testCtx)
{
tpm._GetUnderlyingDevice().TestFailureMode();
tpm._ExpectError(TpmRc.Failure)
.SelfTest(1);
TpmRc testResult = TpmRc.None;
byte[] outData = tpm.GetTestResult(out testResult);
testCtx.Assert("TestResult", testResult == TpmRc.Failure);
testCtx.Assert("OutData", outData != null && outData.Length > 0);
// Make sure that selected capabilities can be retrieved even when TPM is in failure mode
Tpm2.GetProperty(tpm, Pt.Manufacturer);
Tpm2.GetProperty(tpm, Pt.VendorString1);
Tpm2.GetProperty(tpm, Pt.VendorTpmType);
Tpm2.GetProperty(tpm, Pt.FirmwareVersion1);
// Check if other commands fail as expected while in failure mode.
tpm._ExpectError(TpmRc.Failure)
.GetRandom(8);
// Bring TPM back to normal.
tpm._GetUnderlyingDevice().PowerCycle();
tpm.Startup(Su.Clear);
} // TestFailureMode
