public void ReplaceChild(int ordinal, NodeHandle original, NodeHandle value)
{
Assert(_ltype != LockType.Read, "Node is currently read-only");
Assert(ordinal >= 0 && ordinal < _count, "Index out of range.");
Element replacing = _list[ordinal];
Assert(
(original == null && replacing.ChildNode == null) ||
(original != null && original.Equals(replacing.ChildNode))
, "Incorrect child being replaced.");
_list[ordinal] = new Element(replacing.Key, value);
}
public void Untyped_EqualAndDifferentNodes_CompareInExpectedOrder()
{
using (var set = new NodeSet())
{
NodeHandle
a = set.Create <TestNode>(),
b = set.Create <TestNode>(),
c = set.Create <TestNode2>();
// Cannot compact following statements into reused functions,
// because they are subtly different and generic rules impact
// function overloads and availability
// Compare equal type and instance
Assert.AreEqual(a, a);
#pragma warning disable 1718 // comparison to same variable
Assert.IsTrue(a == a);
#pragma warning restore 1718
Assert.IsTrue(a.Equals(a));
Assert.IsTrue(((object)a).Equals(a));
Assert.IsTrue(a.Equals((object)a));
// Compare LR equal type and non-equal instance
Assert.AreNotEqual(a, b);
Assert.IsFalse(a == b);
Assert.IsFalse(a.Equals(b));
Assert.IsFalse(((object)a).Equals(b));
Assert.IsFalse(a.Equals((object)b));
// Compare RL equal type and non-equal instance
Assert.AreNotEqual(b, a);
Assert.IsFalse(b == a);
Assert.IsFalse(b.Equals(a));
Assert.IsFalse(((object)b).Equals(a));
Assert.IsFalse(b.Equals((object)a));
// Compare LR unequal type and non-equal instance
Assert.AreNotEqual(b, c);
Assert.IsFalse(b == c);
Assert.IsFalse(b.Equals(c));
Assert.IsFalse(((object)b).Equals(c));
Assert.IsFalse(b.Equals((object)c));
// Compare RL unequal type and non-equal instance
Assert.AreNotEqual(c, b);
Assert.IsFalse(c == b);
Assert.IsFalse(c.Equals(b));
Assert.IsFalse(((object)c).Equals(b));
Assert.IsFalse(c.Equals((object)b));
var comparer = EqualityComparer <NodeHandle> .Default;
Assert.IsTrue(comparer.Equals(a, a));
Assert.IsFalse(comparer.Equals(b, a));
Assert.IsFalse(comparer.Equals(a, b));
Assert.IsFalse(comparer.Equals(a, c));
Assert.IsFalse(comparer.Equals(c, a));
Assert.IsFalse(comparer.Equals(c, b));
Assert.IsFalse(comparer.Equals(b, c));
set.Destroy(a, b, c);
}
}
