[Perf] Add Debugger Stepping testcase

src/ExpressionEvaluator/CSharp/Test/ExpressionCompiler/CSharpExpressionCompilerTest.csproj

@@ -112,10 +112,15 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="PerfTests\DebuggerSteppingTestcase.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
   <ImportGroup Label="Targets">
     <Import Project="..\..\..\..\Tools\Microsoft.CodeAnalysis.Toolset.Open\Targets\VSL.Imports.targets" />
     <Import Project="..\..\..\..\..\build\VSL.Imports.Closed.targets" />
     <Import Project="..\..\..\..\..\build\Roslyn.Toolsets.Xunit.targets" />
     <Import Project="$(SolutionDir)\.nuget\NuGet.targets" Condition="Exists('$(SolutionDir)\.nuget\NuGet.targets')" />
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file

src/ExpressionEvaluator/CSharp/Test/ExpressionCompiler/PerfTests/DebuggerSteppingTestcase.xml

+<?xml version="1.0" encoding="utf-8"?>
+<TaoTest xmlns="http://microsoft.com/schemas/VSLanguages/TAO">
+  <InitTest>
+    <StartTarget />
+    <OpenProject ProjectFile="$(WorkingDir)\..\..\LegacyTest\RealworldProjects\RoslynSolutions\Roslyn.sln" DeleteSuoFileBeforeOpening="true" DeleteIDECacheBeforeOpening="true"/>
+  </InitTest>
+  <ScenarioList>
+    <Scenario Name="Step through Roslyn.sln">
+      <Log Message="Build and step through source" />
+      <WaitForIdleCPU/>
+      <ListenForCodeMarkers ScenarioGroup="Step through Roslyn.sln" Step="Step through Roslyn.sln" TimeGoal="0.1" MemoryGoal="0.9" BeginMarker="StartNow" EndMarker="DebuggerUISlowRefreshComplete"/>
+      <MeasureTimeStart /><!-- Start timer (Not sure if correct command) -->
+      <Debug>
+        <!-- "StepOver" can be replaced with "StepOver", "StepOut", or "StartDebugging" if those would be more relevant -->
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <Debug>
+        <StepOver waitForBreakOrEnd="true"/>
+      </Debug>
+      <WaitForCodeMarkers />
+      <MeasureTimeStop /><!-- End timer (Not sure if correct command) -->
+      <Debug>
+        <StopDebugging />
+      </Debug>
+    </Scenario>
+  </ScenarioList>
+  <CleanupTest>
+    <CloseTarget />
+  </CleanupTest>
+</TaoTest>