public void ShouldAssembleFourPartMessage()
{
A.CallTo(() => header.Flags).ReturnsNextFromSequence <byte>(FrameDescriptor.BEGIN_FRAG_FLAG, 0, 0, FrameDescriptor.END_FRAG_FLAG, FrameDescriptor.END_FRAG_FLAG);
var srcBuffer = new UnsafeBuffer(new byte[1024]);
const int offset = 0;
var length = srcBuffer.Capacity / 4;
for (var i = 0; i < 4; i++)
{
srcBuffer.SetMemory(i * length, length, (byte)(65 + i));
}
adapter.OnFragment(srcBuffer, offset, length, header);
adapter.OnFragment(srcBuffer, offset + length, length, header);
adapter.OnFragment(srcBuffer, offset + (length * 2), length, header);
adapter.OnFragment(srcBuffer, offset + (length * 3), length, header);
Func <UnsafeBuffer, bool> bufferAssertion = capturedBuffer =>
{
for (var i = 0; i < srcBuffer.Capacity; i++)
{
if (capturedBuffer.GetByte(i) != srcBuffer.GetByte(i))
{
return(false);
}
}
return(true);
};
Func <Header, bool> headerAssertion = capturedHeader => capturedHeader.SessionId == SESSION_ID &&
capturedHeader.Flags == FrameDescriptor.END_FRAG_FLAG;
A.CallTo(() => delegateFragmentHandler(
A <UnsafeBuffer> .That.Matches(bufferAssertion, "buffer"),
offset,
length * 4,
A <Header> .That.Matches(headerAssertion, "header")))
.MustHaveHappened(Repeated.Exactly.Once);
}
public void ShouldAssembleTwoPartMessage()
{
A.CallTo(() => header.Flags).ReturnsNextFromSequence(FrameDescriptor.BEGIN_FRAG_FLAG, FrameDescriptor.END_FRAG_FLAG, FrameDescriptor.END_FRAG_FLAG);
// Need to add this twice because FakeItEasy doesn't fall back to the implementation
var srcBuffer = new UnsafeBuffer(new byte[1024]);
const int offset = 0;
var length = srcBuffer.Capacity / 2;
srcBuffer.SetMemory(0, length, 65);
srcBuffer.SetMemory(length, length, 66);
adapter.OnFragment(srcBuffer, offset, length, header);
adapter.OnFragment(srcBuffer, length, length, header);
Func <UnsafeBuffer, bool> bufferAssertion = capturedBuffer =>
{
for (var i = 0; i < srcBuffer.Capacity; i++)
{
if (capturedBuffer.GetByte(i) != srcBuffer.GetByte(i))
{
return(false);
}
}
return(true);
};
Func <Header, bool> headerAssertion = capturedHeader => capturedHeader.SessionId == SESSION_ID &&
capturedHeader.Flags == FrameDescriptor.END_FRAG_FLAG;
A.CallTo(() => delegateFragmentHandler(
A <UnsafeBuffer> .That.Matches(bufferAssertion, "buffer"),
offset,
length * 2,
A <Header> .That.Matches(headerAssertion, "header")))
.MustHaveHappened(Repeated.Exactly.Once);
}
/// <summary>
/// Get the value of the flags field.
/// </summary>
/// <returns> the value of the header flags field. </returns>
/// <seealso cref="DataHeaderFlyweight"></seealso>
public byte Flags()
{
return(_buffer.GetByte(HeaderFlyweight.FLAGS_FIELD_OFFSET));
}
/// <summary>
/// Does the data frame in the packet have the EOS flag set?
/// </summary>
/// <param name="packet"> containing the data frame. </param>
/// <returns> true if the EOS flag is set otherwise false. </returns>
public static bool IsEndOfStream(UnsafeBuffer packet)
{
return(BEGIN_END_AND_EOS_FLAGS == (packet.GetByte(FLAGS_FIELD_OFFSET) & 0xFF));
}
