public void It_Should_Dereference_An_Array_Element()
{
// Arrange
LiquidCollection liquidCollection = new LiquidCollection {
LiquidString.Create("a string"),
LiquidNumeric.Create(123),
LiquidNumeric.Create(456m),
new LiquidBoolean(false)
};
// Assert
var valueAt = liquidCollection.ValueAt(0);
Assert.That(valueAt.Value, Is.EqualTo("a string"));
}
public override LiquidExpressionResult ApplyTo(ITemplateContext ctx, LiquidCollection liquidArrayExpression)
{
if (liquidArrayExpression == null || liquidArrayExpression.Value == null)
{
return(LiquidExpressionResult.Error("Array is nil"));
}
//Console.WriteLine("Array is " + liquidArrayExpression.ArrValue.Count);
//Console.WriteLine("Index is " + _index.IntValue);
if (liquidArrayExpression.Count > 0 && liquidArrayExpression.Count >= _index.IntValue + 1)
{
return(LiquidExpressionResult.Success(liquidArrayExpression.ValueAt(_index.IntValue)));
}
else
{
return(LiquidExpressionResult.Error("Array has no element at position " + _index.IntValue));
}
//
// return LiquidExpressionResult.Success(liquidArrayExpression.ArrValue.Count > 0 &&
// liquidArrayExpression.ArrValue.Count >= _index.IntValue + 1 ?
// liquidArrayExpression.ValueAt(_index.IntValue) :
// ConstantFactory.CreateError<LiquidCollection>("Array has no element at position " + _index.IntValue));
}
