private bool DoesTestMatch(int paramCount, IntPtr paramArrays, IntPtr testList, ref Exception matchingErrorCode,
Type returnType, ref Object matchingReturnValue, ref int matchingTest)
{
matchingTest = -1;
IntPtr exceptionSiString;
IntPtr returnValueSiString;
bool result = ReplacementLibraryWrapper.DoesTestMatch(paramCount, paramArrays, testList,
out exceptionSiString, out returnValueSiString, ref matchingTest);
if (result)
{
int exceptionStrLen = ReplacementLibraryWrapper.GetSiStringLength(exceptionSiString);
char[] exceptionStr = new char[exceptionStrLen + 1];
ReplacementLibraryWrapper.GetSiStringContents(exceptionSiString, exceptionStr, exceptionStr.Length);
int returnValueStrLen = ReplacementLibraryWrapper.GetSiStringLength(returnValueSiString);
char[] returnValueStr = new char[returnValueStrLen + 1];
ReplacementLibraryWrapper.GetSiStringContents(returnValueSiString, returnValueStr, returnValueStr.Length);
ReplacementLibraryWrapper.FreeSiString(exceptionSiString);
ReplacementLibraryWrapper.FreeSiString(returnValueSiString);
// Convert return value and exception strings to objects
matchingErrorCode = ConvertExceptionStringToObject(new String(exceptionStr));
matchingReturnValue = ConvertValueStringToObject(returnType, new String(returnValueStr));
}
return(result);
}
public void SendLog(String category, String functionName, int paramCount, IntPtr paramArrays,
Exception exception, Object returnValue, IntPtr events)
{
String exceptionStr = "";
String returnValueStr = "";
if (returnValue != null)
{
returnValueStr = returnValue.ToString();
}
if (exception != null)
{
exceptionStr = exception.GetType().Name;
}
ReplacementLibraryWrapper.SendLog(originalDllName.ToCharArray(), category.ToCharArray(),
functionName.ToCharArray(), paramCount, paramArrays, exceptionStr.ToCharArray(),
returnValueStr.ToCharArray(), events);
}
/// <summary>
/// Checks the Firing Specification for the specified function test and retuns a value
/// indicating wheter the test should be run!
/// </summary>
/// <param name="functionTestList">The function test list</param>
/// <param name="matchingTest">the index of the test which matched</param>
/// <returns>(INT) -1 = Run Original Function, Do not run test, do not pause app
/// 0 = Dont run original function, run test, do not pause app
/// 1 = Dont run original function, run test and pause app
/// </returns>
private int CheckFiringSpecification(IntPtr functionTestList, int matchingTest)
{
int retVal = 0;
//Check the type of firing specification
int firingOption = ReplacementLibraryWrapper.GetFiringOptionForTest(functionTestList, matchingTest);
//Get stacktrace only if firing spec. requires a stackstrace
if (firingOption != 1)
{
//Get the stack trace!
System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace(System.Threading.Thread.CurrentThread, false);
//Initialize a new stack list
IntPtr stackList = ReplacementLibraryWrapper.InitCallStackList();
for (int i = 0; i < st.FrameCount; i++)
{
//Get the frame from the stack trace
System.Diagnostics.StackFrame sf = st.GetFrame(i);
if (sf == null)
{
continue;
}
System.Reflection.MethodBase mbase = sf.GetMethod();
if (mbase == null)
{
continue;
}
String declTypeFullName = (mbase.DeclaringType == null) ? "" : mbase.DeclaringType.FullName + ".";
String methodName = (mbase.Name == null) ? "[NULL]" : mbase.Name;
//Cycle through the results and keep only the intercepted functions and internal module symbols
//Filter rules:
// 1. Filter out where fullname contains string "::ReplacementLibrary::"
// This will take care of RunStandardTestsAndGetResults and other methods
// 2. Filter out where full name contains string "heatintercepthandler"
if ((declTypeFullName.ToLower().IndexOf(".dotnetreplacementlibrary") != -1) ||
(declTypeFullName.ToLower().IndexOf("heatintercepthandler") != -1))
{
continue;
}
ReplacementLibraryWrapper.AddFunctionToCallStackList(stackList, (declTypeFullName + methodName).ToCharArray());
}
//Check the firing specification
retVal = ReplacementLibraryWrapper.CheckFiringSpecification(stackList, functionTestList, matchingTest);
//Delete the stack list
ReplacementLibraryWrapper.DeInitCallStackList(stackList);
}
else
{
//Check the firing specification
retVal = ReplacementLibraryWrapper.CheckFiringSpecification((IntPtr)null, functionTestList, matchingTest);
}
return(retVal);
}
public bool RunStandardTestsAndGetResults(OriginalMethodCaller ofCaller, String category, String functionName,
Object[] param, Type returnType, ref Object returnValue, ref Exception exception)
{
IncrementCallLevel();
bool shouldPauseApp = false;
bool runOriginalFunction = true;
IntPtr newEvents = ReplacementLibraryWrapper.CreateNewEventsArray();
IntPtr previousEvents = ReplacementLibraryWrapper.InitNewEventsArrayAndSavePrevious(newEvents);
bool testMatches = false;
int matchingTest = -1;
IntPtr testList;
IntPtr paramArrays = IntPtr.Zero;
int typedArrayParams = ConvertParamsToTypedArrays(param, ref paramArrays);
testList = ReplacementLibraryWrapper.GetFunctionTests(category.ToCharArray(), functionName.ToCharArray());
if (testList != IntPtr.Zero)
{
testMatches = DoesTestMatch(typedArrayParams, paramArrays, testList,
ref exception, returnType, ref returnValue, ref matchingTest);
}
//If matching test was found then Check Firing Specification
if (testMatches)
{
int result = this.CheckFiringSpecification(testList, matchingTest);
switch (result)
{
case -1:
runOriginalFunction = true;
shouldPauseApp = false;
break;
case 0:
runOriginalFunction = false;
shouldPauseApp = false;
break;
case 1:
runOriginalFunction = false;
shouldPauseApp = true;
break;
}
}
bool loggingEnabled = ReplacementLibraryWrapper.IsFunctionLoggingEnabled(category.ToCharArray(), functionName.ToCharArray());
bool parentLogged = ReplacementLibraryWrapper.IsParentLogged();
if (!parentLogged)
{
// If parent is not logged, do not log this function either
loggingEnabled = false;
}
ReplacementLibraryWrapper.SetParentLogged(loggingEnabled);
if (runOriginalFunction)
{
ofCaller(param, ref returnValue, ref exception);
}
else
{
if (matchingTest != -1)
{
ReplacementLibraryWrapper.IncrementTestExecutionCount(testList, matchingTest);
}
}
//If AUT should be paused after this test then set the pause event in the current LogEntry
if (!runOriginalFunction && shouldPauseApp)
{
ReplacementLibraryWrapper.SetPauseEventInLogEntry();
}
if (matchingTest != -1)
{
ModifyChangeParameters(typedArrayParams, paramArrays, testList, matchingTest);
}
if (loggingEnabled)
{
SendLog(category, functionName, typedArrayParams, paramArrays, exception, returnValue, newEvents);
}
//If the app is going to be paused the flush the log now
if (!runOriginalFunction && shouldPauseApp)
{
//Flush the log
ReplacementLibraryWrapper.FlushLog();
}
// Restore original parent logging value
ReplacementLibraryWrapper.SetParentLogged(parentLogged);
ReplacementLibraryWrapper.RestorePreviousEventsArray(previousEvents);
ReplacementLibraryWrapper.DeleteEventArray(newEvents);
if (testList != IntPtr.Zero)
{
ReplacementLibraryWrapper.FreeFunctionTests(testList);
}
FreeParamTypedArrays(typedArrayParams, paramArrays);
DecrementCallLevel();
//Performing app pause here
if (!runOriginalFunction && shouldPauseApp)
{
ReplacementLibraryWrapper.SuspendProcess();
}
return(!runOriginalFunction);
}
private void FreeParamTypedArrays(int paramCount, IntPtr paramArrays)
{
ReplacementLibraryWrapper.FreeParamTypedArrays(paramArrays, paramCount);
}
private int ConvertParamsToTypedArrays(Object[] param, ref IntPtr paramArrays)
{
int startIndex = 0;
// First parameter is the MethodInterceptInfo object. If ThisObject within
// this is null, we have a static method and shouldn't include ThisObject
// in the log entry
if ((param.Length > 0) && param[0].GetType().IsSubclassOf(typeof(HeatDotNet.MethodInterceptInfo)) &&
(((HeatDotNet.MethodInterceptInfo)param[0]).ThisObject == null))
{
startIndex = 1;
}
paramArrays = ReplacementLibraryWrapper.CreateParamTypedArrays(param.Length - startIndex);
for (int i = startIndex; i < param.Length; i++)
{
try
{
Object obj = param[i];
if (obj == null)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex, "null".ToCharArray());
continue;
}
// If the parameter is a MethodInterceptInfo type, log the ThisObject part of the
// MethodInterceptInfo object.
if (obj.GetType().IsSubclassOf(typeof(HeatDotNet.MethodInterceptInfo)) &&
((HeatDotNet.MethodInterceptInfo)obj != null))
{
obj = ((HeatDotNet.MethodInterceptInfo)obj).ThisObject;
}
if (obj == null)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex, "null".ToCharArray());
}
else
{
if (obj is Byte)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Byte)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is SByte)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((SByte)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Int16)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Int16)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is UInt16)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((UInt16)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Int32)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Int32)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is UInt32)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((UInt32)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Int64)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Int64)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is UInt64)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((UInt64)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Single)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Single)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Double)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Double)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Decimal)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Decimal)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Boolean)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Boolean)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Char)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Char)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is DateTime)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((DateTime)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Enum)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Enum)obj).ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is Guid)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((Guid)obj).ToString("B", System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else if (obj is IntPtr)
{
if (IntPtr.Size == 4)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((IntPtr)obj).ToInt32().ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((IntPtr)obj).ToInt64().ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
}
else if (obj is UIntPtr)
{
if (UIntPtr.Size == 4)
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((UIntPtr)obj).ToUInt32().ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
else
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex,
((UIntPtr)obj).ToUInt64().ToString(System.Globalization.CultureInfo.InvariantCulture).ToCharArray());
}
}
else if ((obj is Type) || (obj is String) || (obj is StringBuilder) ||
(obj is Microsoft.Win32.RegistryKey))
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex, obj.ToString().ToCharArray());
}
else
{
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex, obj.GetType().Name.ToCharArray());
}
}
}
catch (Exception)
{
// Could not convert the parameter to a string. Fill in the parameter with an "Unknown"
ReplacementLibraryWrapper.SetParamString(paramArrays, i - startIndex, "Unknown".ToCharArray());
}
}
return(param.Length - startIndex); // Return actual number of parameters to log
}
public DotNetReplacementLibrary(String dllName)
{
originalDllName = dllName;
ReplacementLibraryWrapper.InitReplacementLibraryWrapper();
}