public void fct_OP_12_Sep_bonjour_8dot5_CP_retInt_21_ok()
{
ExpressionEval evaluator = new ExpressionEval();
// definir langue: fr ou en, sert pour les opérateurs: ET/AND, OU/OR, NON/NOT.
evaluator.SetLang(Language.En);
string expr = "fct(4, \"bonjour\", 8.5)";
evaluator.Parse(expr);
// link function body to function call
var funcMapper = new Func3ParamsRetIntMapper <int, string, double>();
funcMapper.SetFunction(FctP1Int_P2String_P3Double);
evaluator.AttachFunction("Fct", funcMapper);
//====3/execute l'expression booléenne
ExecResult execResult = evaluator.Exec();
Assert.AreEqual(false, execResult.HasError, "The exec of the expression should finish with success");
// check the final result value (is ExprExecFunctionCallBool override ExprExecValueBool)
ExprExecValueInt valueInt = execResult.ExprExec as ExprExecValueInt;
Assert.IsNotNull(execResult, "The result value should be a bool");
Assert.AreEqual(21, valueInt.Value, "The result value should be: 18");
}
/// <summary>
/// Execute a function having 2 int parameters.
/// </summary>
public static void CallFunctionWith3IntParams_ret_10()
{
string expr = "fct(a,b,c)";
Console.WriteLine("\n====The expression is: " + expr);
ExpressionEval evaluator = new ExpressionEval();
//====1/decode the expression
evaluator.Parse(expr);
//====2/prepare the execution, attach function
Console.WriteLine("Attach function code to Fct() and set value to param: a=2, b=3; c=5");
evaluator.DefineVarInt("a", 2);
evaluator.DefineVarInt("b", 3);
evaluator.DefineVarInt("c", 5);
// attach the 3 params function to the function call
Func3ParamsRetIntMapper <int, int, int> func3ParamsRetIntMapper = new Func3ParamsRetIntMapper <int, int, int>();
func3ParamsRetIntMapper.SetFunction(FctRetInt_Int_Int_Int);
evaluator.AttachFunction("fct", func3ParamsRetIntMapper);
//====3/Execute the expression
ExecResult execResult = evaluator.Exec();
//====4/get the result, its a bool value
Console.WriteLine("Execution has error? (should be false): " + execResult.HasError);
Console.WriteLine("Execution Result is an int type?: " + execResult.IsResultInt);
Console.WriteLine("Execution Result is (should be 10): " + execResult.ResultInt);
}
