public void ContainsKey_searches_predicates_by_subject()
{
var g = new Graph();
g.LoadFromString(@"
<urn:s> <urn:p> <urn:o> .
");
var s = "urn:s";
var p = "urn:p";
var o = "urn:o";
var d = new DynamicNode(g.CreateUriNode(UriFactory.Create(s)));
Assert.False(d.ContainsKey(s));
Assert.True(d.ContainsKey(p));
Assert.False(d.ContainsKey(o));
}
public void ContainsKey_rejects_missing_key()
{
var g = new Graph();
var s = g.CreateBlankNode();
var d = new DynamicNode(s);
Assert.False(d.ContainsKey(null as string));
}