public void TestStringSerialize()
{
var randomGenerator = new RandomGenerator(66707770); // make this deterministic.
var index = new MemoryMappedIndex <string>(new MemoryMappedStream(new MemoryStream()),
MemoryMappedDelegates.ReadFromString, MemoryMappedDelegates.WriteToString);
var indexRef = new Dictionary <long, string>();
// add the data.
var testCount = 10;
while (testCount > 0)
{
var data = randomGenerator.GenerateString(
randomGenerator.Generate(256) + 32);
indexRef.Add(index.Add(data), data);
testCount--;
}
MemoryMappedIndex <string> deserializedIndex;
using (var stream = new MemoryStream())
{
var size = index.Serialize(stream);
deserializedIndex = MemoryMappedIndex <string> .Deserialize(stream,
MemoryMappedDelegates.ReadFromString, MemoryMappedDelegates.WriteToString, false);
// get the data and check.
foreach (var entry in indexRef)
{
var data = index.Get(entry.Key);
Assert.AreEqual(deserializedIndex.Get(entry.Key), data);
}
}
}
public void TestStructuresOfArraysSerialize()
{
var randomGenerator = new RandomGenerator(66707770); // make this deterministic.
var index = new MemoryMappedIndex <int[]>(new MemoryMappedStream(new MemoryStream()),
MemoryMappedDelegates.ReadFromIntArray, MemoryMappedDelegates.WriteToIntArray);
var indexRef = new Dictionary <long, int[]>();
// add the data.
var testCount = 10;
while (testCount > 0)
{
var data = randomGenerator.GenerateArray(512, 512);
indexRef.Add(index.Add(data), data);
testCount--;
}
MemoryMappedIndex <int[]> deserializedIndex;
using (var stream = new MemoryStream())
{
var size = index.Serialize(stream);
deserializedIndex = MemoryMappedIndex <int[]> .Deserialize(stream,
MemoryMappedDelegates.ReadFromIntArray, MemoryMappedDelegates.WriteToIntArray, false);
// get the data and check.
foreach (var entry in indexRef)
{
var data = index.Get(entry.Key);
Assert.AreEqual(indexRef[entry.Key], data);
}
}
}
/// <summary>
/// Deserializes a tags index from the given stream.
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static TagsIndex Deserialize(System.IO.Stream stream)
{
long size;
var tagsIndex = MemoryMappedIndex <int[]> .Deserialize(stream, MemoryMappedDelegates.ReadFromIntArray, MemoryMappedDelegates.WriteToIntArray, false, out size);
stream.Seek(size, System.IO.SeekOrigin.Begin);
var limitedStream = new LimitedStream(stream);
var stringIndex = MemoryMappedIndex <string> .Deserialize(limitedStream, MemoryMappedDelegates.ReadFromString, MemoryMappedDelegates.WriteToString, false);
return(new TagsIndex(stringIndex, tagsIndex));
}