private static ObjectComparisonMismatch CompareNodes(GraphNode leftNode, GraphNode rightNode)
{
// check if one of the nodes is null while the other is not
if ((leftNode.ObjectValue == null && rightNode.ObjectValue != null) ||
(leftNode.ObjectValue != null && rightNode.ObjectValue == null))
{
var mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
ObjectComparisonMismatchType.ObjectValuesDoNotMatch);
return(mismatch);
}
if (leftNode.ObjectValue != null && rightNode.ObjectValue != null)
{
// compare type names //
if (!leftNode.ObjectType.Equals(rightNode.ObjectType))
{
var mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
ObjectComparisonMismatchType.ObjectTypesDoNotMatch);
return(mismatch);
}
// compare primitives, strings, datatimes, guids
if (leftNode.ObjectType.IsPrimitive ||
leftNode.ObjectType == typeof(string) ||
leftNode.ObjectType == typeof(DateTime) ||
leftNode.ObjectType == typeof(Guid))
{
if (!leftNode.ObjectValue.Equals(rightNode.ObjectValue))
{
var mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
ObjectComparisonMismatchType.ObjectValuesDoNotMatch);
return(mismatch);
}
else
{
return(null);
}
}
}
// compare the child count
if (leftNode.Children.Count != rightNode.Children.Count)
{
var type = leftNode.Children.Count > rightNode.Children.Count
? ObjectComparisonMismatchType.RightNodeHasFewerChildren
: ObjectComparisonMismatchType.LeftNodeHasFewerChildren;
var mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
type);
return(mismatch);
}
// No mismatch //
return(null);
}
private static ObjectComparisonMismatch CompareNodes(GraphNode leftNode, GraphNode rightNode)
{
// Check if both are null
if (leftNode.ObjectValue == null && rightNode.ObjectValue == null)
{
return(null);
}
// check if one of them is null
if (leftNode.ObjectValue == null || rightNode.ObjectValue == null)
{
ObjectComparisonMismatch mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
ObjectComparisonMismatchType.ObjectValuesDoNotMatch);
return(mismatch);
}
// compare type names //
if (!leftNode.ObjectType.Equals(rightNode.ObjectType))
{
ObjectComparisonMismatch mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
ObjectComparisonMismatchType.ObjectTypesDoNotMatch);
return(mismatch);
}
// compare primitives, strings
if (leftNode.ObjectType.IsPrimitive || leftNode.ObjectType == typeof(string))
{
if (!leftNode.ObjectValue.Equals(rightNode.ObjectValue))
{
ObjectComparisonMismatch mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
ObjectComparisonMismatchType.ObjectValuesDoNotMatch);
return(mismatch);
}
else
{
return(null);
}
}
// compare the child count
if (leftNode.Children.Count != rightNode.Children.Count)
{
var type = leftNode.Children.Count > rightNode.Children.Count ?
ObjectComparisonMismatchType.RightNodeHasFewerChildren : ObjectComparisonMismatchType.LeftNodeHasFewerChildren;
ObjectComparisonMismatch mismatch = new ObjectComparisonMismatch(
leftNode,
rightNode,
type);
return(mismatch);
}
// No mismatch //
return(null);
}
