public void TestDisplayQuestionMenu()
{
var menu = new QuestionMenu(
"Which option would you choose?",
new[]
{
"Option 1",
"Option 2",
"Option 3"
}
);
var data = new DisplayQuestionMenu(menu).Compile();
var question = menu.Question;
var questionLength = Math.Min(255, question.Length);
var answersCount = 0;
var length = 11 + questionLength;
foreach (var answer in menu.Answers)
{
length += 5 + answer.Length;
if (answersCount == 255)
{
break;
}
answersCount++;
}
Span <byte> expectedData = stackalloc byte[length];
var pos = 0;
expectedData.Write(ref pos, (byte)0x7C); // Packet ID
expectedData.Write(ref pos, (ushort)length);
expectedData.Write(ref pos, menu.Serial);
expectedData.Write(ref pos, (ushort)0x00);
expectedData.Write(ref pos, (byte)question.Length);
expectedData.WriteAscii(ref pos, question, 255);
expectedData.Write(ref pos, (byte)answersCount);
for (var i = 0; i < answersCount; i++)
{
var answer = menu.Answers[i];
#if NO_LOCAL_INIT
expectedData.Write(ref pos, 0);
#else
pos += 4;
#endif
expectedData.Write(ref pos, (byte)Math.Min(255, answer.Length));
expectedData.WriteAscii(ref pos, answer, 255);
}
AssertThat.Equal(data, expectedData);
}
public void TestDisplayQuestionMenu()
{
var menu = new QuestionMenu(
"Which option would you choose?",
new[]
{
"Option 1",
"Option 2",
"Option 3"
}
);
string question = menu.Question?.Trim() ?? "";
int questionLength = Math.Min(255, question.Length);
int length = 11 + questionLength + menu.Answers.Sum(answer => 5 + answer?.Trim().Length ?? 0);
Span <byte> data = new DisplayQuestionMenu(menu).Compile();
Span <byte> expectedData = stackalloc byte[length];
int pos = 0;
expectedData[pos++] = 0x7C; // Packet ID
((ushort)length).CopyTo(ref pos, expectedData);
menu.Serial.CopyTo(ref pos, expectedData);
pos += 2; // ((ushort)0x00).CopyTo(ref pos, expectedData);
expectedData[pos++] = (byte)questionLength;
question?.CopyASCIITo(ref pos, expectedData);
expectedData[pos++] = (byte)menu.Answers.Length;
for (int i = 0; i < menu.Answers.Length; i++)
{
pos += 4; // 0x0.CopyTo(ref pos, expectedData);
var answer = menu.Answers[i]?.Trim() ?? "";
expectedData[pos++] = (byte)answer.Length;
answer.CopyASCIITo(ref pos, expectedData);
}
AssertThat.Equal(data, expectedData);
}
