public void DecrementTest()
{
Expression <Func <int, int> > source = a => a + (a - 1) * (a + 5) * (a - 1);
var result = new MyVisitor().VisitAndConvert(source, "");
Console.WriteLine(source + " " + source.Compile().Invoke(3));
Console.WriteLine(result + " " + result?.Compile().Invoke(3));
}
public void ParameterCollectionTest_String()
{
Expression <Func <string, string> > expression = a => a.ToUpper();
var values = new Dictionary <string, object> {
["a"] = "aaa"
};
var result = new MyVisitor(values).Visit(expression) as LambdaExpression;
Console.WriteLine(expression + " " + expression.Compile().Invoke("aaa"));
Console.WriteLine(result + " " + result?.Compile().DynamicInvoke());
}
public void ParameterCollectionStringIntTest_Int()
{
Expression <Func <int, string, string> > expression = (a, b) => a.ToString().ToUpper() + b.ToLower();
var values = new Dictionary <string, object> {
["a"] = 12345, ["b"] = "STRING"
};
var result = new MyVisitor(values).Visit(expression) as LambdaExpression;
Console.WriteLine(expression + " " + expression.Compile().Invoke(12345, "STRING"));
Console.WriteLine(result + " " + result?.Compile().DynamicInvoke());
}
public void ParameterCollectionStringTest_Int()
{
Expression <Func <string, string, string> > expression = (a, b) => String.Concat(a, b);
var values = new Dictionary <string, object> {
["a"] = "str1", ["b"] = "str2"
};
var result = new MyVisitor(values).Visit(expression) as LambdaExpression;
Console.WriteLine(expression + " " + expression.Compile().Invoke("str1", "str2"));
Console.WriteLine(result + " " + result?.Compile().DynamicInvoke());
}
public void ParameterCollectionIntTest_Int()
{
Expression <Func <int, int> > expression = a => a * 10 + a - a * 3;
var values = new Dictionary <string, object> {
["a"] = 1
};
var result = new MyVisitor(values).Visit(expression) as LambdaExpression;
Console.WriteLine(expression + " " + expression.Compile().Invoke(1));
Console.WriteLine(result + " " + result?.Compile().DynamicInvoke());
}