public void TestVisitUnaryLambdaFuncNode_CheckSimpleLambdaPredicateGeneration_ReturnsLambdaPredicate(E_OPERATION_TYPE type, int x, int value, int res)
{
IVisitor <Object> interpreter = new CInterpreter();
Func <int, int> lambdaFunctor = null;
Assert.DoesNotThrow(() => {
lambdaFunctor = (Func <int, int>)interpreter.VisitUnaryLambdaFuncNode(
new CUnaryLambdaFuncASTNode(type, new CValueASTNode(new int[] { value })));
});
Assert.AreEqual(res, lambdaFunctor(x));
}
public void TestVisitUnaryLambdaFuncNode_CheckNestedLambdaPredicateGeneration_ReturnsLambdaPredicate()
{
IVisitor <Object> interpreter = new CInterpreter();
Func <int, int> lambdaFunctor = null;
Func <int, int> expectedLambdaFunctor = (int x) => { return(x + x * (x - 2)); };
int inputParameter = 5;
Assert.DoesNotThrow(() => {
// the interpreter should infer x + x * (x - 2) expression
lambdaFunctor = (Func <int, int>)interpreter.VisitUnaryLambdaFuncNode(
new CUnaryLambdaFuncASTNode(E_OPERATION_TYPE.OT_ADD,
new CUnaryLambdaFuncASTNode(E_OPERATION_TYPE.OT_MUL,
new CUnaryLambdaFuncASTNode(E_OPERATION_TYPE.OT_SUB, new CValueASTNode(new int[] { 2 })))));
});
Assert.AreEqual(expectedLambdaFunctor(inputParameter), lambdaFunctor(inputParameter));
}