public static MappedAccessor <MockObject> CreateAccessor(MemoryMap map, long sizeInBytes)
{
return(map.CreateVariable <MockObject>(sizeInBytes, new MemoryMap.ReadFromDelegate <MockObject>(
(Stream stream, long position, ref MockObject value) =>
{
var payload = string.Empty;
var size = MemoryMapDelegates.ReadFromString(stream, position, ref payload);
value = new MockObject(payload);
return size;
}),
new MemoryMap.WriteToDelegate <MockObject>(
(Stream stream, long position, ref MockObject value) =>
{
var payload = value.Payload;
return MemoryMapDelegates.WriteToString(stream, position, ref payload);
})));
}
public void TestTinyAccessors()
{
using (var map = new MemoryMapStream())
{
using (var tempStream = new MemoryStream(new byte[1024]))
{
var index = new Index <string>(map, 32);
var element = "Ben";
var id1 = index.Add(element);
Assert.AreEqual(0, id1);
var id2Ref = MemoryMapDelegates.WriteToString(tempStream, id1, ref element);
element = "Abelshausen";
var id2 = index.Add(element);
Assert.AreEqual(id2Ref, id2);
var id3Ref = MemoryMapDelegates.WriteToString(tempStream, id2, ref element) + id2;
element = "is";
var id3 = index.Add(element);
Assert.AreEqual(id3Ref, id3);
var id4Ref = MemoryMapDelegates.WriteToString(tempStream, id3, ref element) + id3;
element = "the";
var id4 = index.Add(element);
Assert.AreEqual(id4Ref, id4);
var id5Ref = MemoryMapDelegates.WriteToString(tempStream, id4, ref element) + id4;
element = "author";
var id5 = index.Add(element);
Assert.AreEqual(id5Ref, id5);
var id6Ref = MemoryMapDelegates.WriteToString(tempStream, id5, ref element) + id5;
element = "of";
var id6 = index.Add(element);
Assert.AreEqual(id6Ref, id6);
var id7Ref = MemoryMapDelegates.WriteToString(tempStream, id6, ref element) + id6;
element = "this";
var id7 = index.Add(element);
Assert.AreEqual(id7Ref, id7);
var id8Ref = MemoryMapDelegates.WriteToString(tempStream, id7, ref element) + id7;
element = "library";
var id8 = index.Add(element);
Assert.AreEqual(id8Ref, id8);
var id9Ref = MemoryMapDelegates.WriteToString(tempStream, id8, ref element) + id8;
element = "and";
var id9 = index.Add(element);
Assert.AreEqual(id9Ref, id9);
var id10Ref = MemoryMapDelegates.WriteToString(tempStream, id9, ref element) + id9;
element = "this";
var id10 = index.Add(element);
Assert.AreEqual(id10Ref, id10);
var id11Ref = MemoryMapDelegates.WriteToString(tempStream, id10, ref element) + id10;
element = "test!";
var id11 = index.Add("test!");
Assert.AreEqual(id11Ref, id11);
var id12Ref = MemoryMapDelegates.WriteToString(tempStream, id11, ref element) + id11;
Assert.AreEqual(id12Ref, index.SizeInBytes);
Assert.AreEqual("Ben", index.Get(id1));
Assert.AreEqual("Abelshausen", index.Get(id2));
Assert.AreEqual("is", index.Get(id3));
Assert.AreEqual("the", index.Get(id4));
Assert.AreEqual("author", index.Get(id5));
Assert.AreEqual("of", index.Get(id6));
Assert.AreEqual("this", index.Get(id7));
Assert.AreEqual("library", index.Get(id8));
Assert.AreEqual("and", index.Get(id9));
Assert.AreEqual("this", index.Get(id10));
Assert.AreEqual("test!", index.Get(id11));
}
}
}
public void TestCopyTo()
{
using (var map = new MemoryMapStream())
{
using (var refStream = new MemoryStream(new byte[1024]))
{
// write to index and to a stream.
var index = new Index <string>(map, 32);
var element = "Ben";
var id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "Abelshausen";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "is";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "the";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "author";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "of";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "this";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "library";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "and";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "this";
id = index.Add(element);
MemoryMapDelegates.WriteToString(refStream, id, ref element);
element = "test!";
id = index.Add("test!");
MemoryMapDelegates.WriteToString(refStream, id, ref element);
refStream.SetLength(refStream.Position);
using (var indexStream = new MemoryStream((int)index.SizeInBytes))
{
var refBytes = refStream.ToArray();
Assert.AreEqual(refBytes.Length, index.CopyTo(indexStream));
var bytes = indexStream.ToArray();
Assert.AreEqual(index.SizeInBytes, bytes.Length);
Assert.AreEqual(index.SizeInBytes, refBytes.Length);
for (var i = 0; i < bytes.Length; i++)
{
Assert.AreEqual(refBytes[i], bytes[i]);
}
}
using (var indexStream = new MemoryStream((int)index.SizeInBytes + 8))
{
var refBytes = refStream.ToArray();
Assert.AreEqual(refBytes.Length + 8, index.CopyToWithSize(indexStream));
var bytes = indexStream.ToArray();
Assert.AreEqual(index.SizeInBytes, bytes.Length - 8);
Assert.AreEqual(index.SizeInBytes, refBytes.Length);
for (var i = 0; i < refBytes.Length; i++)
{
Assert.AreEqual(refBytes[i], bytes[i + 8]);
}
}
}
}
}