public void CallingOneFunctionFromAnother()
{
//Arrange
Func <Int32, Int32> addFive = (Int32 num) =>
{
Int32 r = num + 5;
return(r);
};
Func <Int32> mainFunc = () =>
{
Int32 num = 10;
Int32 r = addFive(num);
return(r);
};
MethodLoader mainFuncLoader = new MethodLoader(mainFunc.GetMethodInfo());
MethodLoader addFiveLoader = new MethodLoader(addFive.GetMethodInfo());
MethodDesc mainFuncMethodDesc = mainFuncLoader.ConstructMethodDesc();
MethodDesc addFiveMethodDesc = addFiveLoader.ConstructMethodDesc();
mainFuncMethodDesc.EntryPoint().AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
addFiveMethodDesc.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(mainFuncMethodDesc, addFiveMethodDesc);
//Act
executor.Start();
//Assert
var res = mainFunc();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void Simple_AND_Branching_False_True()
{
//Arrange
Func <Int32> func = () =>
{
Boolean a = false;
Boolean b = true;
Int32 result = 0;
if (a && b)
{
result = 1;
}
else
{
result = -1;
}
return(result);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void SimpleFunctionWithIfElseBranching()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = 5;
Int32 b = 3;
Int32 result = 0;
if (a - b > 0)
{
result = 1;
}
else
{
result = -1;
}
return(result);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void SimpleWhileIterationWithIncrement()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = 5;
while (a < 20)
{
a = a + 1;
}
return(a);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void Int32_Simple_Greater_Operation_True()
{
//Arrange
Func <Boolean> func = () =>
{
Int32 a = 42;
Int32 b = 22;
Boolean result = a > b;
return(result);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void Int32_Simple_Adding_Positive_Zero()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = 435;
Int32 b = 0;
Int32 result = a + b;
return(result);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void Int32_Simple_Multiplication_Negative_Overflow()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = -2147483648;
Int32 b = 3;
Int32 result = a * b;
return(result);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void Convert_UInt16_To_SByte()
{
//Arrange
Func <SByte> func = () =>
{
UInt16 source = (UInt16)2500;
SByte target = (SByte)source;
return(target);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void ArithmeticFunctionWithTwoTryFinallies()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = 5;
try
{
try
{
Int32 b = a + 33;
Int32 c = b * 4;
return(a + b + c);
}
finally
{
a = a + 1;
}
}
finally
{
a = a * 2;
}
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void FunctionWithMixedIntAndFloatArithmeticsAndBranching()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = 5;
Int32 b = -3;
Int32 c = a + b;
Single s1 = 21.6f;
Single s2 = 33.24f;
Single s = s1 + s2;
Byte bt = 32;
if ((s == 54.84f) && (c == -8) && (true == true))
{
Byte mult = 2;
bt = (Byte)(bt * mult);
}
bt = (Byte)(bt & 6);
return((Int32)bt);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
var res = func();
Assert.IsTrue(executor.EntryPointReturn.Equals(res));
}
public void SimpleFunctionReturnsResultOfArithmeticOpers()
{
//Arrange
Func <Int32> func = () =>
{
Int32 a = 40;
Int32 b = a + 2;
return(b);
};
MethodLoader loader = new MethodLoader(func.GetMethodInfo());
MethodDesc methodDesc = loader.ConstructMethodDesc();
methodDesc.EntryPoint()
.AddInheritanceAttributeFlag(MethodInheritanceAttributes.Global);
var executor = GetExecutionEngineForGlobalEntryPoint(methodDesc);
//Act
executor.Start();
//Assert
Assert.IsTrue(executor.EntryPointReturn.Equals(42));
}
