private Boolean GetNullDifference(out StructuralDifference difference)
{
var expectedObj = expected.Peek().Value;
var actualObj = actual.Peek().Value;
difference = null;
if (expectedObj == null)
{
if (actualObj != null)
{
difference = new StructuralDifference(String.Format("Difference at {0}. Expected: null, but actual was: {1}", GetName(expected), actualObj));
return(false);
}
return(true);
}
if (actualObj == null)
{
difference = new StructuralDifference(String.Format("Difference at {0}. Expected: {1}, but actual was: null", GetName(expected), expectedObj));
}
return(false);
}
private Boolean GetCircularRefsDifference(out StructuralDifference difference)
{
var expectedCircRefIndexes = expected.Select((f, i) => new { Index = i, Field = f })
.Where(obj => Object.ReferenceEquals(obj.Field.Value, expected.Peek().Value))
.Select(obj => obj.Index)
.ToArray();
var actualCircRefIndexes = actual.Select((f, i) => new { Index = i, Field = f })
.Where(obj => Object.ReferenceEquals(obj.Field.Value, actual.Peek().Value))
.Select(obj => obj.Index)
.ToArray();
var expectedCircRefString = String.Join(",", expectedCircRefIndexes.Select(n => n.ToString()));
var actualCircRefString = String.Join(",", actualCircRefIndexes.Select(n => n.ToString()));
if (expectedCircRefString != actualCircRefString)
{
difference = new StructuralDifference(String.Format("Difference at {0}. Expected to find circular references: {1}, but got: {2}", GetName(expected), expectedCircRefString, actualCircRefString));
return(false);
}
difference = null;
return(expectedCircRefIndexes.Length > 1);
}
private Boolean GetNullDifference(out StructuralDifference difference)
{
var expectedObj = expected.Peek().Value;
var actualObj = actual.Peek().Value;
difference = null;
if (expectedObj == null)
{
if (actualObj != null)
{
difference = new StructuralDifference(String.Format("Difference at {0}. Expected: null, but actual was: {1}", GetName(expected), actualObj));
return false;
}
return true;
}
if (actualObj == null)
{
difference = new StructuralDifference(String.Format("Difference at {0}. Expected: {1}, but actual was: null", GetName(expected), expectedObj));
}
return false;
}
private Boolean GetCircularRefsDifference(out StructuralDifference difference)
{
var expectedCircRefIndexes = expected.Select((f, i) => new { Index = i, Field = f })
.Where(obj => Object.ReferenceEquals(obj.Field.Value, expected.Peek().Value))
.Select(obj => obj.Index)
.ToArray();
var actualCircRefIndexes = actual.Select((f, i) => new { Index = i, Field = f })
.Where(obj => Object.ReferenceEquals(obj.Field.Value, actual.Peek().Value))
.Select(obj => obj.Index)
.ToArray();
var expectedCircRefString = String.Join(",", expectedCircRefIndexes.Select(n => n.ToString()));
var actualCircRefString = String.Join(",", actualCircRefIndexes.Select(n => n.ToString()));
if (expectedCircRefString != actualCircRefString)
{
difference = new StructuralDifference(String.Format("Difference at {0}. Expected to find circular references: {1}, but got: {2}", GetName(expected), expectedCircRefString, actualCircRefString));
return false;
}
difference = null;
return expectedCircRefIndexes.Length > 1;
}
