Hi Heinrich,

2 comments embedded below. Other is ok to me.
Open a new ticket in Bugzilla is better. 

Best Regards
Eric

> -----Original Message-----
> From: Heinrich Schuchardt <xypron.g...@gmx.de>
> Sent: Wednesday, September 4, 2019 5:26 PM
> To: EDK II Development <devel@edk2.groups.io>
> Cc: Jin, Eric <eric....@intel.com>; Supreeth Venkatesh
> <supreeth.venkat...@arm.com>; Stephano Cetola
> <stephano.cet...@linux.intel.com>; Heinrich Schuchardt
> <xypron.g...@gmx.de>
> Subject: [edk2-test] [PATCH 1/1] uefi-sct/SctPkg: SNP Statistics may be
> unsupported
> 
> If EFI_SIMPLE_NETWORK.Statistics() is not supported, it will return
> EFI_UNSUPPORTED. In this case do not expect input parameters to be
> checked for conformance.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
> ---
>  .../SimpleNetworkBBTestConformance.c          | 112 +++++++++++-------
>  1 file changed, 72 insertions(+), 40 deletions(-)
> 
> diff --git a/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/SimpleNetwork/BlackBoxTest/Simpl
> eNetworkBBTestConformance.c b/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/SimpleNetwork/BlackBoxTest/Simpl
> eNetworkBBTestConformance.c
> index 9d5bec18..ea4a806b 100644
> --- a/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/SimpleNetwork/BlackBoxTest/Simpl
> eNetworkBBTestConformance.c
> +++ b/uefi-
> sct/SctPkg/TestCase/UEFI/EFI/Protocol/SimpleNetwork/BlackBoxT
> +++ est/SimpleNetworkBBTestConformance.c
> @@ -1015,10 +1015,19 @@ BBTestStatisticsConformanceTest (
>    // Call Statistics() function if network interface not start.   //   
> StatusBuf[0] =
> SnpInterface->Statistics (SnpInterface, FALSE, &StatisticsSize,
> &StatisticsTable);-  if ((StatusBuf[0] == EFI_NOT_STARTED) && (SnpInterface-
> >Mode->State == EfiSimpleNetworkStopped)) {-    AssertionType[0] =
> EFI_TEST_ASSERTION_PASSED;+  if (StatusBuf[0] == EFI_UNSUPPORTED) {+
> StandardLib->RecordMessage(+                   StandardLib,+
> EFI_VERBOSE_LEVEL_QUIET,+                   L"Statistics isn't supported, 
> Status -
>  %r\n",+                   StatusBuf[0]+                   );   } else {-    
> AssertionType[0] =
> EFI_TEST_ASSERTION_FAILED;+    if ((StatusBuf[0] == EFI_NOT_STARTED) &&
> (SnpInterface->Mode->State == EfiSimpleNetworkStopped)) {+
> AssertionType[0] = EFI_TEST_ASSERTION_PASSED;+    } else {+
> AssertionType[0] = EFI_TEST_ASSERTION_FAILED;+    }   }    //@@ -1031,10
> +1040,19 @@ BBTestStatisticsConformanceTest (
>    }    StatusBuf[1] = SnpInterface->Statistics (SnpInterface, FALSE,
> &StatisticsSize, &StatisticsTable);-  if (StatusBuf[1] == EFI_DEVICE_ERROR) {-
> AssertionType[1] = EFI_TEST_ASSERTION_PASSED;+  if (StatusBuf[1] ==
> EFI_UNSUPPORTED) {+    StandardLib->RecordMessage(+
> StandardLib,+                   EFI_VERBOSE_LEVEL_QUIET,+                   
> L"Statistics
> isn't supported, Status - %r\n",+                   StatusBuf[1]+             
>       );   } else {-
> AssertionType[1] = EFI_TEST_ASSERTION_FAILED;+    if (StatusBuf[1] ==
> EFI_DEVICE_ERROR) {+      AssertionType[1] =
> EFI_TEST_ASSERTION_PASSED;+    } else {+      AssertionType[1] =
> EFI_TEST_ASSERTION_FAILED;+    }   }   @@ -1054,45 +1072,59 @@
> BBTestStatisticsConformanceTest (
>    StatisticsSize = 0;    StatusBuf[2] = SnpInterface->Statistics 
> (SnpInterface,
> FALSE, &StatisticsSize, &StatisticsTable);-  if (StatusBuf[2] ==
> EFI_BUFFER_TOO_SMALL || Status == EFI_UNSUPPORTED) {-
> AssertionType[2] = EFI_TEST_ASSERTION_PASSED;+  if (StatusBuf[2] ==
> EFI_UNSUPPORTED) {+    StandardLib->RecordMessage(+
> StandardLib,+                   EFI_VERBOSE_LEVEL_QUIET,+                   
> L"Statistics
> isn't supported, Status - %r\n",+                   StatusBuf[2]+             
>       );   } else {-
> AssertionType[2] = EFI_TEST_ASSERTION_FAILED;+    if (StatusBuf[2] ==
> EFI_BUFFER_TOO_SMALL || Status == EFI_UNSUPPORTED) {+

Status == EFI_UNSUPPORTED could be removed from here. 

> AssertionType[2] = EFI_TEST_ASSERTION_PASSED;+    } else {+
> AssertionType[2] = EFI_TEST_ASSERTION_FAILED;+    }   } 

Had better move RecordAssertion as early as possible, because 
SnpInterface->Initialize() may cause return early.

+  if (StatusBuf[0] !=
> EFI_UNSUPPORTED) {+    StandardLib->RecordAssertion (+
> StandardLib,+                   AssertionType[0],+
> gSimpleNetworkBBTestConformanceAssertionGuid014,+
> L"EFI_SIMPLE_NETWORK_PROTOCOL.Statistics - Invoke Statistics() when
> network interface not start.",+                   L"%a:%d:Status - %r",+
> __FILE__,+                   (UINTN)__LINE__,+                   
> StatusBuf[0]+                   );+  }
> -  StandardLib->RecordAssertion (-                 StandardLib,-
> AssertionType[0],-
> gSimpleNetworkBBTestConformanceAssertionGuid014,-
> L"EFI_SIMPLE_NETWORK_PROTOCOL.Statistics - Invoke Statistics() when
> network interface not start.",-                 L"%a:%d:Status - %r",-
> __FILE__,-                 (UINTN)__LINE__,-                 StatusBuf[0]-    
>              );-  -
> StandardLib->RecordAssertion (-                 StandardLib,-
> AssertionType[1],-
> gSimpleNetworkBBTestConformanceAssertionGuid015,-
> L"EFI_SIMPLE_NETWORK_PROTOCOL.Statistics - Invoke Statistics() when
> network interface not initialized.",-                 L"%a:%d:Status - %r",-
> __FILE__,-                 (UINTN)__LINE__,-                 StatusBuf[1]-    
>              );+  if
> (StatusBuf[1] != EFI_UNSUPPORTED) {+    StandardLib->RecordAssertion (+
> StandardLib,+                   AssertionType[1],+
> gSimpleNetworkBBTestConformanceAssertionGuid015,+
> L"EFI_SIMPLE_NETWORK_PROTOCOL.Statistics - Invoke Statistics() when
> network interface not initialized.",+                   L"%a:%d:Status - %r",+
> __FILE__,+                   (UINTN)__LINE__,+                   
> StatusBuf[1]+                   );+  }
> -  StandardLib->RecordAssertion (-                 StandardLib,-
> AssertionType[2],-
> gSimpleNetworkBBTestConformanceAssertionGuid017,-
> L"EFI_SIMPLE_NETWORK_PROTOCOL.Statistics - Invoke Statistics() with small
> buffer.",-                 L"%a:%d:Status - %r",-                 __FILE__,-
> (UINTN)__LINE__,-                 StatusBuf[2]-                 );+  if 
> (StatusBuf[2] !=
> EFI_UNSUPPORTED) {+    StandardLib->RecordAssertion (+
> StandardLib,+                   AssertionType[2],+
> gSimpleNetworkBBTestConformanceAssertionGuid017,+
> L"EFI_SIMPLE_NETWORK_PROTOCOL.Statistics - Invoke Statistics() with small
> buffer.",+                   L"%a:%d:Status - %r",+                   
> __FILE__,+
> (UINTN)__LINE__,+                   StatusBuf[2]+                   );+  }    
> //   // Restore
> SNP State--
> 2.23.0.rc1


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