[edk2-devel] [PATCH 09/16] UefiCpuPkg/MtrrUnitTest: Update UnitTestMtrrGetFixedMtrr().

[Yuanhao Xie]

UnitTestMtrrGetFixedMtrr updated for the case that fixed MtrrLib
is not always supported.

Signed-off-by: Yuanhao Xie <yuanhao.xie at intel.com>
Cc: Eric Dong <eric.dong at intel.com>
Cc: Rahul Kumar <rahul1.kumar at intel.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Ray Ni <ray.ni at intel.com>
---
 UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c b/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
index de9db4fcb4..2905b091a5 100644
--- a/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
+++ b/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
@@ -650,6 +650,19 @@ UnitTestMtrrGetFixedMtrr (
   UT_ASSERT_EQUAL ((UINTN)Result, (UINTN)&FixedSettings);
   UT_ASSERT_MEM_EQUAL (&ExpectedFixedSettings, &FixedSettings, sizeof (ExpectedFixedSettings));
 
+  //
+  // Negative test case when Fixed MTRRs are not supported
+  //
+  SystemParameter.MtrrSupported      = TRUE;
+  SystemParameter.FixedMtrrSupported = FALSE;
+  InitializeMtrrRegs (&SystemParameter);
+
+  ZeroMem (&FixedSettings, sizeof (FixedSettings));
+  ZeroMem (&ExpectedFixedSettings, sizeof (ExpectedFixedSettings));
+  Result = MtrrGetFixedMtrr (&FixedSettings);
+  UT_ASSERT_EQUAL ((UINTN)Result, (UINTN)&FixedSettings);
+  UT_ASSERT_MEM_EQUAL (&ExpectedFixedSettings, &FixedSettings, sizeof (ExpectedFixedSettings));
+
   return UNIT_TEST_PASSED;
 }
 
-- 
2.36.1.windows.1



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