public void roundtrip_Constant_string()
{
ConstantExpression expr = Expression.Constant("a");
var result = (ConstantExpression)SerializableExpression.ToExpression(SerializableExpression.FromExpression(expr, iftFactory));
AssertExpressions.AreEqual(result, expr);
}
public void roundtrip_Constant_object()
{
ISomething value = new Something();
ConstantExpression expr = Expression.Constant(value);
var result = (ConstantExpression)SerializableExpression.ToExpression(SerializableExpression.FromExpression(expr, iftFactory));
AssertExpressions.AreEqual(result, expr);
}
public void roundtrip_Constant_interface()
{
ISomething value = new Something();
ConstantExpression expr = Expression.Constant(value, typeof(ISomething));
var result = (ConstantExpression)SerializableExpression.ToExpression(SerializableExpression.FromExpression(expr, iftFactory));
AssertExpressions.AreEqual(result, expr);
Assert.That(result.Type, Is.EqualTo(typeof(ISomething)));
}
private static void CollectionsAreEqual <T>(ReadOnlyCollection <T> x, ReadOnlyCollection <T> y)
where T : Expression
{
Assert.That(x.Count, Is.EqualTo(y.Count));
for (int i = 0; i < x.Count; i++)
{
AssertExpressions.AreEqual(x[i], y[i]);
}
}
protected override int VisitExpression(MemberExpression expr)
{
var other = (MemberExpression)second;
CompareBasicProperties(expr, other);
AssertExpressions.AreEqual(expr.Expression, other.Expression);
Assert.AreEqual(expr.Member, other.Member);
return(0);
}
protected override int VisitExpression(LambdaExpression expr)
{
var other = (LambdaExpression)second;
CompareBasicProperties(expr, other);
AssertExpressions.AreEqual(expr.Body, other.Body);
CollectionsAreEqual(expr.Parameters, other.Parameters);
return(0);
}
public void roundtrip_MemberAccess_to_string_Length_property_should_optimize_constness()
{
string testString = "farglbl";
var objExpr = Expression.Constant(testString);
MemberExpression expr = Expression.MakeMemberAccess(objExpr, typeof(string).GetMember("Length").First());
var result = SerializableExpression.ToExpression(SerializableExpression.FromExpression(expr, scope.Resolve <InterfaceType.Factory>()));
AssertExpressions.AreEqual(result, Expression.Constant(testString.Length));
}
protected override int VisitExpression(ConditionalExpression expr)
{
var other = (ConditionalExpression)second;
CompareBasicProperties(expr, other);
AssertExpressions.AreEqual(expr.IfFalse, other.IfFalse);
AssertExpressions.AreEqual(expr.IfTrue, other.IfTrue);
AssertExpressions.AreEqual(expr.Test, other.Test);
return(0);
}
protected override int VisitExpression(MethodCallExpression expr)
{
var other = (MethodCallExpression)second;
CompareBasicProperties(expr, other);
CollectionsAreEqual(expr.Arguments, other.Arguments);
Assert.AreEqual(expr.Method, other.Method);
AssertExpressions.AreEqual(expr.Object, other.Object);
return(0);
}
protected override int VisitExpression(UnaryExpression expr)
{
var other = (UnaryExpression)second;
CompareBasicProperties(expr, other);
Assert.AreEqual(expr.IsLifted, other.IsLifted);
Assert.AreEqual(expr.IsLiftedToNull, other.IsLiftedToNull);
Assert.AreEqual(expr.Method, other.Method);
AssertExpressions.AreEqual(expr.Operand, other.Operand);
return(0);
}
protected override int VisitExpression(BinaryExpression expr)
{
var other = (BinaryExpression)second;
CompareBasicProperties(expr, other);
AssertExpressions.AreEqual(expr.Conversion, other.Conversion);
Assert.AreEqual(expr.IsLifted, other.IsLifted);
Assert.AreEqual(expr.IsLiftedToNull, other.IsLiftedToNull);
AssertExpressions.AreEqual(expr.Left, other.Left);
Assert.AreEqual(expr.Method, other.Method);
AssertExpressions.AreEqual(expr.Right, other.Right);
return(0);
}
