public void DictionaryAdapterAvoidsWrapping() {
var d = 5.Range().ToDictionary(i => i, i => i*i);
// existing readonly dictionary class is not wrapped
var rd = new ReadOnlyDictionary<int, int>(d);
rd.AsReadOnlyDictionary().AssertReferenceEquals(rd);
rd.AsIDictionary().AssertReferenceEquals(rd);
// back-and-forth of an IReadOnlyDictionary has no effect
var ar = d.AsReadOnlyDictionary();
ar.AsIDictionary().AssertReferenceEquals(ar);
ReadOnlyDic.AsIDictionary().AsReadOnlyDictionary().AssertReferenceEquals(ReadOnlyDic);
}
public void DictionaryAdapterAvoidsWrapping()
{
var d = 5.Range().ToDictionary(i => i, i => i * i);
// existing readonly dictionary class is not wrapped
var rd = new ReadOnlyDictionary <int, int>(d);
rd.AsReadOnlyDictionary().AssertReferenceEquals(rd);
rd.AsIDictionary().AssertReferenceEquals(rd);
// back-and-forth of an IReadOnlyDictionary has no effect
var ar = d.AsReadOnlyDictionary();
ar.AsIDictionary().AssertReferenceEquals(ar);
ReadOnlyDic.AsIDictionary().AsReadOnlyDictionary().AssertReferenceEquals(ReadOnlyDic);
}