public void Lambda1_CorrectlyCreatesLambdaExpression()
{
var constant = Expression.Constant(5);
var body = Expression.Lambda <Action>(constant);
var expected = new TestExpression <Action>(body);
var actual = TestExpression.Lambda((TestExpression)TestExpression.Const(5));
AssertAreEqualExpressions(expected, actual);
}
public void Lambda4_CorrectlyCreatesLambdaExpression()
{
var constant = Expression.Parameter(typeof(int), "variable");
var parameter = Expression.Parameter(typeof(int), "parameter");
var addition = Expression.Add(parameter, constant);
var body = Expression.Lambda <Func <int, int> >(addition, parameter);
var expected = new TestExpression <Func <int, int> >(body);
var variable = TestExpression.Var <int>("variable");
var actual = TestExpression.Lambda <int, int>(parameter => TestExpression.Expr(variable, b => parameter + b));
AssertAreEqualExpressions(expected, actual);
}
public void Lambda5_CorrectlyCreatesLambdaExpression()
{
var constant = Expression.Parameter(typeof(int), "variable");
var parameter1 = Expression.Parameter(typeof(int), "parameter1");
var parameter2 = Expression.Parameter(typeof(int), "parameter2");
var addition1 = Expression.Add(parameter1, parameter2);
var addition2 = Expression.Add(addition1, constant);
var body = Expression.Lambda <Action <int, int> >(addition2, parameter1, parameter2);
var expected = new TestExpression <Action <int, int> >(body);
var variable = TestExpression.Var <int>("variable");
var actual = TestExpression.Lambda <int, int>((parameter1, parameter2) => (TestExpression)TestExpression.Expr(variable, b => parameter1 + parameter2 + b));
AssertAreEqualExpressions(expected, actual);
}
