public void GetLastBytesFromBigMemory()
{
ByteMemory bytememory = new ByteMemory(1000);
byte[] bytes = bytememory.GetBytes(900, 100);
Assert.IsNotNull(bytes);
Assert.AreEqual(100, bytes.Length);
Assert.IsTrue(bytes.All(b => b == 0));
}
public void CreateSetAndGetBitVariable()
{
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeBitVariable(10, memory);
Assert.AreEqual(false, variable.Value);
variable.Value = true;
Assert.AreEqual(true, variable.Value);
Assert.IsTrue(memory.GetBit(10));
}
public void ChangeValuesAndTriggerChangeMemoryEvent()
{
int count = 0;
ByteMemory bytememory = new ByteMemory();
bytememory.ChangedMemory += () => count++;
bytememory.NewValues(10, new byte[] { 1, 2, 3 });
Assert.AreEqual(1, count);
}
public void GetBits()
{
ByteMemory memory = new ByteMemory();
memory.SetBytes(0, new byte[] { 0xff, 0xff });
for (int k = 0; k < 16; k++)
Assert.IsTrue(memory.GetBit(k));
for (int k = 16; k < 32; k++)
Assert.IsFalse(memory.GetBit(k));
}
public void BitVariableTriggerNewValueWhenNewValuesInMemory()
{
int count = 0;
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeBitVariable(10, memory);
variable.NewValue += (oldvalue, newvalue) => count++;
memory.NewValues(1, new byte[] { 0xff });
Assert.AreEqual(1, count);
}
public void IntegerToAndFromMemory()
{
ByteMemory memory = new ByteMemory();
TypeValue type = IntegerTypeValue.Instance;
type.ToMemory(memory, 0, 10);
Assert.AreEqual(10, type.FromMemory(memory, 0));
type.ToMemory(memory, 10, -1);
Assert.AreEqual(-1, type.FromMemory(memory, 10));
type.ToMemory(memory, 20, Int32.MaxValue);
Assert.AreEqual(Int32.MaxValue, type.FromMemory(memory, 20));
type.ToMemory(memory, 30, Int32.MinValue);
Assert.AreEqual(Int32.MinValue, type.FromMemory(memory, 30));
}
public void ChangeInMemoryTriggerVariableNewValue()
{
object oldvalue = -1;
object newvalue = -1;
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeIntegerVariable(0, memory);
variable.NewValue += (oldv, newv) => { oldvalue = oldv; newvalue = newv; };
memory.NewValues(0, new byte[] { 1, 2, 3, 4 });
Assert.AreEqual(0, oldvalue);
Assert.AreEqual(0x01020304, newvalue);
}
public void SignatureResult()
{
string pair = "USD_JPY_Volume";
TickReader tickReader = new TickReader();
tickReader.LogProgress = true;
tickReader.Initialize("Test\\DataCache", pair);
int totalBytes = 0;
SignatureCompressor compressor = new SignatureCompressor();
ByteMemory compressed = new ByteMemory("compressed");
int compressedLength = 0;
try {
TickBinary tick = new TickBinary();
TickImpl tickImpl = new TickImpl();
for (int i = 0; i < 101; i++)
{
tickReader.ReadQueue.Dequeue(ref tick);
tickImpl.Inject(tick);
compressed.Reset();
compressor.CompressTick(tick, compressed.Memory);
totalBytes += compressedLength;
}
log.Debug(compressor.Signature.ToString());
Assert.AreEqual(TestSignature, compressor.Signature);
for (int i = 0; i < 200; i++)
{
tickReader.ReadQueue.Dequeue(ref tick);
tickImpl.Inject(tick);
compressed.Reset();
compressor.CompressTick(tick, compressed.Memory);
totalBytes += compressedLength;
int length = compressed.Bytes[0];
int diffBytes = length / 8 + 1;
log.Debug(compressedLength + ": " +
compressed.Bytes[0] + " " +
ByteArrayToString(compressor.Difference, 0, compressor.DiffLength));
}
} catch (CollectionTerminatedException) {
}
log.Debug("Total Compressed Bytes: " + totalBytes);
compressor.LogCounts();
}
public void VariableChangedAddressTriggerNewValue()
{
object oldvalue = -1;
object newvalue = -1;
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeIntegerVariable(0, memory);
variable.Value = 0x01020304;
variable.NewValue += (oldv, newv) => { oldvalue = oldv; newvalue = newv; };
variable.Address = 2;
Assert.AreEqual(0x01020304, oldvalue);
Assert.AreEqual(0x03040000, newvalue);
}
public void RaiseWhenRangeIsCrossingBoundary()
{
ByteMemory bytememory = new ByteMemory();
bytememory.GetBytes(90, 20);
}
public void VariableChangedTypeTriggerNewValue()
{
object oldvalue = -1;
object newvalue = -1;
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeIntegerVariable(0, memory);
variable.Value = 0x01020304;
variable.NewValue += (oldv, newv) => { oldvalue = oldv; newvalue = newv; };
variable.TypeValue = ShortTypeValue.Instance;
Assert.AreEqual(0x01020304, oldvalue);
Assert.AreEqual((short)0x0102, newvalue);
}
public void SetBitsToZero()
{
ByteMemory memory = new ByteMemory();
memory.SetBytes(0, new byte[] { 0xff, 0xff });
memory.SetBit(0, false);
Assert.AreEqual(0xfe, memory.GetBytes(0, 1)[0]);
memory.SetBit(1, false);
Assert.AreEqual(0xfc, memory.GetBytes(0, 1)[0]);
memory.SetBit(7, false);
Assert.AreEqual(0x7c, memory.GetBytes(0, 1)[0]);
memory.SetBit(8, false);
Assert.AreEqual(0xfe, memory.GetBytes(1, 1)[0]);
memory.SetBit(9, false);
Assert.AreEqual(0xfc, memory.GetBytes(1, 1)[0]);
}
public void SetAndGetOneHundredBytes()
{
byte[] values = new byte[100];
for (int k = 0; k < values.Length; k++)
values[k] = (byte) k;
ByteMemory bytememory = new ByteMemory(1000);
bytememory.SetBytes(10, values);
byte[] result = bytememory.GetBytes(10, values.Length);
Assert.IsNotNull(result);
Assert.AreEqual(100, result.Length);
for (int k = 0; k < values.Length; k++)
Assert.AreEqual(values[k], result[k]);
}
public void SetBitsToOne()
{
ByteMemory memory = new ByteMemory();
memory.SetBit(0, true);
Assert.AreEqual(0x01, memory.GetBytes(0, 1)[0]);
memory.SetBit(1, true);
Assert.AreEqual(0x03, memory.GetBytes(0, 1)[0]);
memory.SetBit(7, true);
Assert.AreEqual(0x83, memory.GetBytes(0, 1)[0]);
memory.SetBit(8, true);
Assert.AreEqual(0x01, memory.GetBytes(1, 1)[0]);
memory.SetBit(9, true);
Assert.AreEqual(0x03, memory.GetBytes(1, 1)[0]);
}
public void SetAndGetOneByte()
{
ByteMemory bytememory = new ByteMemory();
bytememory.SetBytes(10, new byte[] { (byte) 16 });
byte[] result = bytememory.GetBytes(10, 1);
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Length);
Assert.AreEqual(16, result[0]);
}
public void ShortToAndFromMemory()
{
ByteMemory memory = new ByteMemory();
TypeValue type = ShortTypeValue.Instance;
type.ToMemory(memory, 0, (short) 10);
Assert.AreEqual((short) 10, type.FromMemory(memory, 0));
type.ToMemory(memory, 10, (short) -1);
Assert.AreEqual((short) -1, type.FromMemory(memory, 10));
type.ToMemory(memory, 20, Int16.MaxValue);
Assert.AreEqual(Int16.MaxValue, type.FromMemory(memory, 20));
type.ToMemory(memory, 30, Int16.MinValue);
Assert.AreEqual(Int16.MinValue, type.FromMemory(memory, 30));
}
public void VariableChangesAddress()
{
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeIntegerVariable(0, memory);
variable.Value = 0x01020304;
variable.Address = 2;
Assert.AreEqual(0x03040000, variable.Value);
}
public void RaiseWhenAddressIsBeyondLimits()
{
ByteMemory bytememory = new ByteMemory();
bytememory.GetBytes(200, 10);
}
public void VariableChangesType()
{
ByteMemory memory = new ByteMemory();
Variable variable = Variable.MakeIntegerVariable(0, memory);
variable.Value = 0x01020304;
variable.TypeValue = ShortTypeValue.Instance;
Assert.AreEqual((short) 0x0102, variable.Value);
}
public void RaiseWhenAddressIsNegative()
{
ByteMemory bytememory = new ByteMemory();
bytememory.GetBytes(-20, 10);
}
// [Test]
public void CompressTickTest()
{
string pair = "USD_JPY_Volume";
TickReader tickReader = new TickReader();
tickReader.LogProgress = true;
tickReader.Initialize("Test\\DataCache", pair);
int totalBytes = 0;
SignatureCompressor compressor = new SignatureCompressor();
SignatureCompressor decompressor = new SignatureCompressor();
ByteMemory output = new ByteMemory("compressed");
int length = 0;
try {
TickBinary tick = new TickBinary();
TickImpl tickImpl = new TickImpl();
for (int i = 0; i < 101; i++)
{
tickReader.ReadQueue.Dequeue(ref tick);
tickImpl.Inject(tick);
compressor.CompareTick(tickImpl);
if (compressor.Count < 100)
{
compressor.CopyMemory(output.Bytes, out length);
}
compressor.SwapBuffers();
compressor.Count++;
if (compressor.Count % 100 == 0)
{
compressor.CreateSignature();
compressor.ResetCounters();
}
}
string temp = "";
for (int i = 0; i < compressor.Signature.Length; i++)
{
if (i != 0)
{
temp += ", ";
}
temp += compressor.Signature[i];
}
log.Notice("signature = " + temp);
Assert.AreEqual(TestSignature, compressor.Signature);
byte[] buffer = new byte[1024];
for (int i = 0; i < 200; i++)
{
tickReader.ReadQueue.Dequeue(ref tick);
tickImpl.Inject(tick);
compressor.CompareTick(tickImpl);
compressor.CalculateDifference(compressor.Current.Bytes, compressor.Previous.Bytes, compressor.Current.Length);
Array.Copy(compressor.Current.Bytes, buffer, compressor.Current.Length);
compressor.ReverseDifference(compressor.Current.Bytes, compressor.Previous.Bytes, compressor.Previous.Length);
Assert.AreEqual(buffer, compressor.Current.Bytes);
compressor.WriteMemory(output.Bytes, out length);
compressor.SwapBuffers();
compressor.Count++;
if (compressor.Count % 100 == 0)
{
compressor.CreateSignature();
compressor.ResetCounters();
}
}
} catch (CollectionTerminatedException) {
}
log.Debug("Total Compressed Bytes: " + totalBytes);
compressor.LogCounts();
}
public void SameValuesDontTriggerChangeMemoryEvent()
{
int count = 0;
ByteMemory bytememory = new ByteMemory();
bytememory.ChangedMemory += () => count++;
bytememory.NewValues(10, new byte[] { 0, 0, 0 });
Assert.AreEqual(0, count);
}
public void SetAndGetBitTypeValueUsingMemory()
{
ByteMemory memory = new ByteMemory();
TypeValue type = BitTypeValue.Instance;
type.ToMemory(memory, 10, true);
Assert.IsTrue(memory.GetBit(10));
Assert.IsFalse(memory.GetBit(9));
Assert.IsFalse(memory.GetBit(11));
Assert.AreEqual(true, type.FromMemory(memory, 10));
Assert.AreEqual(false, type.FromMemory(memory, 9));
Assert.AreEqual(false, type.FromMemory(memory, 11));
}
