public void TestParse()
{
JsonPath path = new JsonPath(JsonPath.Root + "['foo']['bar'][0]");
Assert.AreEqual(JsonPath.Root, path.Top);
path = path.ChildReference();
Assert.AreEqual("foo", path.Top);
path = path.ChildReference();
Assert.AreEqual("bar", path.Top);
path = path.ChildReference();
Assert.AreEqual(0, path.TopAsInt);
}
public void VisitComplexBase(ComplexExpressionBase expression)
{
if (_refID.Top == JsonPath.Root)
{
if (expression.Parent != null)
{
throw new ArgumentException("Reference for this passed to object that is not at the root", "refID");
}
}
else
{
// have to assume that the parent checked that we were the right reference
// should only get here if we have a parent, if no parent we're not valid
if (expression.Parent == null)
{
throw new ArgumentException("Invalid reference", "refID");
}
}
// it is this object, check if we need to go further
_refID = _refID.ChildReference();
if (_refID.IsEmpty)
{
_expr = expression;
}
}
public void TestImmutableChild()
{
JsonPath path = new JsonPath(JsonPath.Root);
path = path.Append("foo");
JsonPath path2 = path.ChildReference();
Assert.AreNotSame(path, path2);
}