public T Load <T>(string contextName, Func <Stream, T> loader)
{
using (var stream = PostProcessorHost?.LoadContextInfo())
{
if (stream == null)
{
return(default(T));
}
var deserializer = new StreamDeserializer(stream);
var seg = deserializer.ReadSegment();
var entries = deserializer.ReadDictionaryLazy(seg);
if (!entries.TryGetValue(contextName, out Lazy <object> lazy))
{
return(default(T));
}
var bytes = (byte[])lazy.Value;
return(loader(new MemoryStream(bytes)));
}
}
public void TestDictionaryLazy()
{
var ms = new MemoryStream();
var ss = new StreamSerializer(ms);
var expected = new Dictionary <string, object>
{
["a"] = 1,
["bcd"] = "efg",
["hijk"] = null,
};
ss.Write(expected);
ms.Position = 0;
var sd = new StreamDeserializer(ms);
var actual = sd.ReadDictionaryLazy(sd.ReadSegment());
Assert.Equal(expected["a"], actual["a"].Value);
Assert.Equal(expected["bcd"], actual["bcd"].Value);
Assert.Equal(expected["hijk"], actual["hijk"].Value);
}
