public void WithMessage_GreaterThan_TotalNumberOfBits_ChoosenToBeUsed_Then_ArgumentException_IsThrown(
SutMessageToByteBufferWriter sut)
{
//a
var messageStub = "Test message";
var targetByteBuffer = new byte[4];
ushort numberOfBitstoUseDummy = 1;
//aa
Action writeMessageCall = () => sut.WriteMessage(messageStub, targetByteBuffer, numberOfBitstoUseDummy);
//aaa
writeMessageCall.ShouldThrowExactly <ArgumentException>();
}
public void WithNull_TargetArray_Then_ArgumentNullException_IsThrown(
string messageDummy,
SutMessageToByteBufferWriter sut)
{
//a
byte[] nullByteBuffer = null;
ushort numberOfBitstoUseDummy = 1;
//aa
Action writeMessageCall = () => sut.WriteMessage(messageDummy, nullByteBuffer, numberOfBitstoUseDummy);
//aaa
writeMessageCall.ShouldThrowExactly <ArgumentNullException>();
}
public void WithNull_Message_Then_ArgumentNullException_IsThrown(
byte[] byteArrayDumy,
SutMessageToByteBufferWriter sut)
{
//a
string nullMessageStub = null;
ushort numberOfBitstoUseDummy = 1;
//aa
Action writeMessageCall = () => sut.WriteMessage(nullMessageStub, byteArrayDumy, numberOfBitstoUseDummy);
//aaa
writeMessageCall.ShouldThrowExactly <ArgumentNullException>();
}
public void Then_NoException_IsThrown(
SutMessageToByteBufferWriter sut)
{
//a
var messageStub = "Abc";
var byteBufferStub = new byte[24];
ushort numberOfBitstoUseDummy = 1;
//aa
Action writeMessageCall = () => sut.WriteMessage(messageStub, byteBufferStub, numberOfBitstoUseDummy);
//aaa
writeMessageCall.ShouldNotThrow();
}
public void Then_MessageWriteResult_HasCorrect_TotalNumberOfBytesUsed(
SutMessageToByteBufferWriter sut)
{
//a
var messageStub = "Abc";
var targetByteBuffer = new byte[24];
ushort numberOfBitsToUseStub = 5;
var numberOfBitsInMessage = messageStub.Length * 8;
uint expectedTotalNumberOfBytesUsed = (uint)Math.Ceiling((decimal)numberOfBitsInMessage / numberOfBitsToUseStub);
//aa
var writeResult = sut.WriteMessage(messageStub, targetByteBuffer, numberOfBitsToUseStub);
//aaa
writeResult.TotalNumberOfBytesUsed.Should().Be(expectedTotalNumberOfBytesUsed);
}
public void Then_ProvidedMessage_IsStored_InReturned_MessageWriteResult_Buffer(
Domain.Writers.BitToByteWriter bitToByteWriterStub)
{
//a
var messageStub = "Abc";
var targetByteBuffer = new byte[24];
ushort numberOfBitstoUseStub = 2;
var sut = new SutMessageToByteBufferWriter(bitToByteWriterStub);
//aa
var writeResult = sut.WriteMessage(messageStub, targetByteBuffer, numberOfBitstoUseStub);
//aaa
var messageRetrieved = ReadFromWriteResult(writeResult);
messageRetrieved.Should().Be(messageStub);
}